diff options
Diffstat (limited to 'drivers')
214 files changed, 2234 insertions, 928 deletions
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 474fcfeba66c..eb8278a64194 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -24,7 +24,7 @@ acpi-y += nvs.o # Power management related files acpi-y += wakeup.o acpi-y += sleep.o -acpi-$(CONFIG_PM) += device_pm.o +acpi-y += device_pm.o acpi-$(CONFIG_ACPI_SLEEP) += proc.o diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index ec7f5690031b..c84ee956fa4c 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -720,7 +720,19 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc, if ((obj_desc->common_field.start_field_bit_offset == 0) && (obj_desc->common_field.bit_length == access_bit_width)) { - status = acpi_ex_field_datum_io(obj_desc, 0, buffer, ACPI_READ); + if (buffer_length >= sizeof(u64)) { + status = + acpi_ex_field_datum_io(obj_desc, 0, buffer, + ACPI_READ); + } else { + /* Use raw_datum (u64) to handle buffers < 64 bits */ + + status = + acpi_ex_field_datum_io(obj_desc, 0, &raw_datum, + ACPI_READ); + ACPI_MEMCPY(buffer, &raw_datum, buffer_length); + } + return_ACPI_STATUS(status); } diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index dd314ef9bff1..557e58df7c87 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -37,68 +37,6 @@ #define _COMPONENT ACPI_POWER_COMPONENT ACPI_MODULE_NAME("device_pm"); -static DEFINE_MUTEX(acpi_pm_notifier_lock); - -/** - * acpi_add_pm_notifier - Register PM notifier for given ACPI device. - * @adev: ACPI device to add the notifier for. - * @context: Context information to pass to the notifier routine. - * - * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of - * PM wakeup events. For example, wakeup events may be generated for bridges - * if one of the devices below the bridge is signaling wakeup, even if the - * bridge itself doesn't have a wakeup GPE associated with it. - */ -acpi_status acpi_add_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler, void *context) -{ - acpi_status status = AE_ALREADY_EXISTS; - - mutex_lock(&acpi_pm_notifier_lock); - - if (adev->wakeup.flags.notifier_present) - goto out; - - status = acpi_install_notify_handler(adev->handle, - ACPI_SYSTEM_NOTIFY, - handler, context); - if (ACPI_FAILURE(status)) - goto out; - - adev->wakeup.flags.notifier_present = true; - - out: - mutex_unlock(&acpi_pm_notifier_lock); - return status; -} - -/** - * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device. - * @adev: ACPI device to remove the notifier from. - */ -acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler) -{ - acpi_status status = AE_BAD_PARAMETER; - - mutex_lock(&acpi_pm_notifier_lock); - - if (!adev->wakeup.flags.notifier_present) - goto out; - - status = acpi_remove_notify_handler(adev->handle, - ACPI_SYSTEM_NOTIFY, - handler); - if (ACPI_FAILURE(status)) - goto out; - - adev->wakeup.flags.notifier_present = false; - - out: - mutex_unlock(&acpi_pm_notifier_lock); - return status; -} - /** * acpi_power_state_string - String representation of ACPI device power state. * @state: ACPI device power state to return the string representation of. @@ -376,6 +314,69 @@ bool acpi_bus_power_manageable(acpi_handle handle) } EXPORT_SYMBOL(acpi_bus_power_manageable); +#ifdef CONFIG_PM +static DEFINE_MUTEX(acpi_pm_notifier_lock); + +/** + * acpi_add_pm_notifier - Register PM notifier for given ACPI device. + * @adev: ACPI device to add the notifier for. + * @context: Context information to pass to the notifier routine. + * + * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of + * PM wakeup events. For example, wakeup events may be generated for bridges + * if one of the devices below the bridge is signaling wakeup, even if the + * bridge itself doesn't have a wakeup GPE associated with it. + */ +acpi_status acpi_add_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler, void *context) +{ + acpi_status status = AE_ALREADY_EXISTS; + + mutex_lock(&acpi_pm_notifier_lock); + + if (adev->wakeup.flags.notifier_present) + goto out; + + status = acpi_install_notify_handler(adev->handle, + ACPI_SYSTEM_NOTIFY, + handler, context); + if (ACPI_FAILURE(status)) + goto out; + + adev->wakeup.flags.notifier_present = true; + + out: + mutex_unlock(&acpi_pm_notifier_lock); + return status; +} + +/** + * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device. + * @adev: ACPI device to remove the notifier from. + */ +acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler) +{ + acpi_status status = AE_BAD_PARAMETER; + + mutex_lock(&acpi_pm_notifier_lock); + + if (!adev->wakeup.flags.notifier_present) + goto out; + + status = acpi_remove_notify_handler(adev->handle, + ACPI_SYSTEM_NOTIFY, + handler); + if (ACPI_FAILURE(status)) + goto out; + + adev->wakeup.flags.notifier_present = false; + + out: + mutex_unlock(&acpi_pm_notifier_lock); + return status; +} + bool acpi_bus_can_wakeup(acpi_handle handle) { struct acpi_device *device; @@ -1014,3 +1015,4 @@ void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev) mutex_unlock(&adev->physical_node_lock); } EXPORT_SYMBOL_GPL(acpi_dev_pm_remove_dependent); +#endif /* CONFIG_PM */ diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index d45b2871d33b..edc00818c803 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -223,7 +223,7 @@ static int ec_check_sci_sync(struct acpi_ec *ec, u8 state) static int ec_poll(struct acpi_ec *ec) { unsigned long flags; - int repeat = 2; /* number of command restarts */ + int repeat = 5; /* number of command restarts */ while (repeat--) { unsigned long delay = jiffies + msecs_to_jiffies(ec_delay); @@ -241,8 +241,6 @@ static int ec_poll(struct acpi_ec *ec) } advance_transaction(ec, acpi_ec_read_status(ec)); } while (time_before(jiffies, delay)); - if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) - break; pr_debug(PREFIX "controller reset, restart transaction\n"); spin_lock_irqsave(&ec->lock, flags); start_transaction(ec); diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 586e7e993d3d..bcb7a3b905be 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -641,7 +641,7 @@ void __init acpi_initrd_override(void *data, size_t size) * Both memblock_reserve and e820_add_region (via arch_reserve_mem_area) * works fine. */ - memblock_reserve(acpi_tables_addr, acpi_tables_addr + all_tables_size); + memblock_reserve(acpi_tables_addr, all_tables_size); arch_reserve_mem_area(acpi_tables_addr, all_tables_size); p = early_ioremap(acpi_tables_addr, all_tables_size); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 6ae5e440436e..4241b8d844eb 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -201,8 +201,8 @@ static acpi_status acpi_pci_query_osc(struct acpi_pci_root *root, *control &= OSC_PCI_CONTROL_MASKS; capbuf[OSC_CONTROL_TYPE] = *control | root->osc_control_set; } else { - /* Run _OSC query for all possible controls. */ - capbuf[OSC_CONTROL_TYPE] = OSC_PCI_CONTROL_MASKS; + /* Run _OSC query only with existing controls. */ + capbuf[OSC_CONTROL_TYPE] = root->osc_control_set; } status = acpi_pci_run_osc(root->device->handle, capbuf, &result); diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 8470771e5eae..a33821ca3895 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -723,9 +723,19 @@ static int thermal_get_trend(struct thermal_zone_device *thermal, return -EINVAL; if (type == THERMAL_TRIP_ACTIVE) { - /* aggressive active cooling */ - *trend = THERMAL_TREND_RAISING; - return 0; + unsigned long trip_temp; + unsigned long temp = KELVIN_TO_MILLICELSIUS(tz->temperature, + tz->kelvin_offset); + if (thermal_get_trip_temp(thermal, trip, &trip_temp)) + return -EINVAL; + + if (temp > trip_temp) { + *trend = THERMAL_TREND_RAISING; + return 0; + } else { + /* Fall back on default trend */ + return -EINVAL; + } } /* diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 4ac2593234e7..abcae6925ce7 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -164,6 +164,14 @@ static struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"), }, }, + { + .callback = video_detect_force_vendor, + .ident = "Asus UL30A", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), + }, + }, { }, }; diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 2f48123d74c4..93cb09297c29 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -151,6 +151,7 @@ enum piix_controller_ids { piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */ ich8_sata_snb, ich8_2port_sata_snb, + ich8_2port_sata_byt, }; struct piix_map_db { @@ -334,6 +335,9 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb }, /* SATA Controller IDE (Wellsburg) */ { 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, + /* SATA Controller IDE (BayTrail) */ + { 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt }, + { 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt }, { } /* terminate list */ }; @@ -441,6 +445,7 @@ static const struct piix_map_db *piix_map_db_table[] = { [tolapai_sata] = &tolapai_map_db, [ich8_sata_snb] = &ich8_map_db, [ich8_2port_sata_snb] = &ich8_2port_map_db, + [ich8_2port_sata_byt] = &ich8_2port_map_db, }; static struct pci_bits piix_enable_bits[] = { @@ -1254,6 +1259,16 @@ static struct ata_port_info piix_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &piix_sata_ops, }, + + [ich8_2port_sata_byt] = + { + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA6, + .port_ops = &piix_sata_ops, + }, + }; #define AHCI_PCI_BAR 5 diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 8a52dab412e2..3badf1887dfe 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -61,7 +61,8 @@ acpi_handle ata_ap_acpi_handle(struct ata_port *ap) if (ap->flags & ATA_FLAG_ACPI_SATA) return NULL; - return acpi_get_child(DEVICE_ACPI_HANDLE(ap->host->dev), ap->port_no); + return ap->scsi_host ? + DEVICE_ACPI_HANDLE(&ap->scsi_host->shost_gendev) : NULL; } EXPORT_SYMBOL(ata_ap_acpi_handle); @@ -240,28 +241,15 @@ void ata_acpi_dissociate(struct ata_host *host) } } -/** - * ata_acpi_gtm - execute _GTM - * @ap: target ATA port - * @gtm: out parameter for _GTM result - * - * Evaluate _GTM and store the result in @gtm. - * - * LOCKING: - * EH context. - * - * RETURNS: - * 0 on success, -ENOENT if _GTM doesn't exist, -errno on failure. - */ -int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *gtm) +static int __ata_acpi_gtm(struct ata_port *ap, acpi_handle handle, + struct ata_acpi_gtm *gtm) { struct acpi_buffer output = { .length = ACPI_ALLOCATE_BUFFER }; union acpi_object *out_obj; acpi_status status; int rc = 0; - status = acpi_evaluate_object(ata_ap_acpi_handle(ap), "_GTM", NULL, - &output); + status = acpi_evaluate_object(handle, "_GTM", NULL, &output); rc = -ENOENT; if (status == AE_NOT_FOUND) @@ -295,6 +283,27 @@ int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *gtm) return rc; } +/** + * ata_acpi_gtm - execute _GTM + * @ap: target ATA port + * @gtm: out parameter for _GTM result + * + * Evaluate _GTM and store the result in @gtm. + * + * LOCKING: + * EH context. + * + * RETURNS: + * 0 on success, -ENOENT if _GTM doesn't exist, -errno on failure. + */ +int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *gtm) +{ + if (ata_ap_acpi_handle(ap)) + return __ata_acpi_gtm(ap, ata_ap_acpi_handle(ap), gtm); + else + return -EINVAL; +} + EXPORT_SYMBOL_GPL(ata_acpi_gtm); /** @@ -1080,7 +1089,7 @@ static int ata_acpi_bind_host(struct ata_port *ap, acpi_handle *handle) if (!*handle) return -ENODEV; - if (ata_acpi_gtm(ap, &ap->__acpi_init_gtm) == 0) + if (__ata_acpi_gtm(ap, *handle, &ap->__acpi_init_gtm) == 0) ap->pflags |= ATA_PFLAG_INIT_GTM_VALID; return 0; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 63c743baf920..cf15aee0cf7e 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1602,6 +1602,12 @@ unsigned ata_exec_internal_sg(struct ata_device *dev, qc->tf = *tf; if (cdb) memcpy(qc->cdb, cdb, ATAPI_CDB_LEN); + + /* some SATA bridges need us to indicate data xfer direction */ + if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) && + dma_dir == DMA_FROM_DEVICE) + qc->tf.feature |= ATAPI_DMADIR; + qc->flags |= ATA_QCFLAG_RESULT_TF; qc->dma_dir = dma_dir; if (dma_dir != DMA_NONE) { diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c index 5dba77ccaa0b..b1a664a8f55d 100644 --- a/drivers/ata/sata_highbank.c +++ b/drivers/ata/sata_highbank.c @@ -251,7 +251,7 @@ static const struct ata_port_info ahci_highbank_port_info = { }; static struct scsi_host_template ahci_highbank_platform_sht = { - AHCI_SHT("highbank-ahci"), + AHCI_SHT("sata_highbank"), }; static const struct of_device_id ahci_of_match[] = { diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index caf33f620c35..d7b77e02b100 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -548,6 +548,7 @@ static void sata_rcar_bmdma_start(struct ata_queued_cmd *qc) /* start host DMA transaction */ dmactl = ioread32(priv->base + ATAPI_CONTROL1_REG); + dmactl &= ~ATAPI_CONTROL1_STOP; dmactl |= ATAPI_CONTROL1_START; iowrite32(dmactl, priv->base + ATAPI_CONTROL1_REG); } @@ -617,17 +618,16 @@ static struct ata_port_operations sata_rcar_port_ops = { .bmdma_status = sata_rcar_bmdma_status, }; -static int sata_rcar_serr_interrupt(struct ata_port *ap) +static void sata_rcar_serr_interrupt(struct ata_port *ap) { struct sata_rcar_priv *priv = ap->host->private_data; struct ata_eh_info *ehi = &ap->link.eh_info; int freeze = 0; - int handled = 0; u32 serror; serror = ioread32(priv->base + SCRSERR_REG); if (!serror) - return 0; + return; DPRINTK("SError @host_intr: 0x%x\n", serror); @@ -640,7 +640,6 @@ static int sata_rcar_serr_interrupt(struct ata_port *ap) ata_ehi_push_desc(ehi, "%s", "hotplug"); freeze = serror & SERR_COMM_WAKE ? 0 : 1; - handled = 1; } /* freeze or abort */ @@ -648,11 +647,9 @@ static int sata_rcar_serr_interrupt(struct ata_port *ap) ata_port_freeze(ap); else ata_port_abort(ap); - - return handled; } -static int sata_rcar_ata_interrupt(struct ata_port *ap) +static void sata_rcar_ata_interrupt(struct ata_port *ap) { struct ata_queued_cmd *qc; int handled = 0; @@ -661,7 +658,9 @@ static int sata_rcar_ata_interrupt(struct ata_port *ap) if (qc) handled |= ata_bmdma_port_intr(ap, qc); - return handled; + /* be sure to clear ATA interrupt */ + if (!handled) + sata_rcar_check_status(ap); } static irqreturn_t sata_rcar_interrupt(int irq, void *dev_instance) @@ -676,20 +675,21 @@ static irqreturn_t sata_rcar_interrupt(int irq, void *dev_instance) spin_lock_irqsave(&host->lock, flags); sataintstat = ioread32(priv->base + SATAINTSTAT_REG); + sataintstat &= SATA_RCAR_INT_MASK; if (!sataintstat) goto done; /* ack */ - iowrite32(sataintstat & ~SATA_RCAR_INT_MASK, - priv->base + SATAINTSTAT_REG); + iowrite32(~sataintstat & 0x7ff, priv->base + SATAINTSTAT_REG); ap = host->ports[0]; if (sataintstat & SATAINTSTAT_ATA) - handled |= sata_rcar_ata_interrupt(ap); + sata_rcar_ata_interrupt(ap); if (sataintstat & SATAINTSTAT_SERR) - handled |= sata_rcar_serr_interrupt(ap); + sata_rcar_serr_interrupt(ap); + handled = 1; done: spin_unlock_irqrestore(&host->lock, flags); diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 531ceb31d0ff..4e8213aa02fd 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -117,13 +117,13 @@ static struct page *brd_insert_page(struct brd_device *brd, sector_t sector) spin_lock(&brd->brd_lock); idx = sector >> PAGE_SECTORS_SHIFT; + page->index = idx; if (radix_tree_insert(&brd->brd_pages, idx, page)) { __free_page(page); page = radix_tree_lookup(&brd->brd_pages, idx); BUG_ON(!page); BUG_ON(page->index != idx); - } else - page->index = idx; + } spin_unlock(&brd->brd_lock); radix_tree_preload_end(); diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index e98da675f0c1..54d03d4ab50d 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2795,6 +2795,7 @@ void drbd_free_bc(struct drbd_backing_dev *ldev) blkdev_put(ldev->backing_bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL); blkdev_put(ldev->md_bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL); + kfree(ldev->disk_conf); kfree(ldev); } diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index a9eccfc6079b..2f5fffd976c1 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -2661,7 +2661,6 @@ static int drbd_asb_recover_1p(struct drbd_conf *mdev) __must_hold(local) if (hg == -1 && mdev->state.role == R_PRIMARY) { enum drbd_state_rv rv2; - drbd_set_role(mdev, R_SECONDARY, 0); /* drbd_change_state() does not sleep while in SS_IN_TRANSIENT_STATE, * we might be here in C_WF_REPORT_PARAMS which is transient. * we do not need to wait for the after state change work either. */ @@ -4659,8 +4658,8 @@ static int drbd_do_features(struct drbd_tconn *tconn) #if !defined(CONFIG_CRYPTO_HMAC) && !defined(CONFIG_CRYPTO_HMAC_MODULE) static int drbd_do_auth(struct drbd_tconn *tconn) { - dev_err(DEV, "This kernel was build without CONFIG_CRYPTO_HMAC.\n"); - dev_err(DEV, "You need to disable 'cram-hmac-alg' in drbd.conf.\n"); + conn_err(tconn, "This kernel was build without CONFIG_CRYPTO_HMAC.\n"); + conn_err(tconn, "You need to disable 'cram-hmac-alg' in drbd.conf.\n"); return -1; } #else diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c index cdd4c09fda96..a22a7a502740 100644 --- a/drivers/char/ipmi/ipmi_bt_sm.c +++ b/drivers/char/ipmi/ipmi_bt_sm.c @@ -95,9 +95,9 @@ struct si_sm_data { enum bt_states state; unsigned char seq; /* BT sequence number */ struct si_sm_io *io; - unsigned char write_data[IPMI_MAX_MSG_LENGTH]; + unsigned char write_data[IPMI_MAX_MSG_LENGTH + 2]; /* +2 for memcpy */ int write_count; - unsigned char read_data[IPMI_MAX_MSG_LENGTH]; + unsigned char read_data[IPMI_MAX_MSG_LENGTH + 2]; /* +2 for memcpy */ int read_count; int truncated; long timeout; /* microseconds countdown */ diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 9eb360ff8cab..d5a5f020810a 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -837,13 +837,25 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd, return ipmi_ioctl(filep, cmd, arg); } } + +static long unlocked_compat_ipmi_ioctl(struct file *filep, unsigned int cmd, + unsigned long arg) +{ + int ret; + + mutex_lock(&ipmi_mutex); + ret = compat_ipmi_ioctl(filep, cmd, arg); + mutex_unlock(&ipmi_mutex); + + return ret; +} #endif static const struct file_operations ipmi_fops = { .owner = THIS_MODULE, .unlocked_ioctl = ipmi_unlocked_ioctl, #ifdef CONFIG_COMPAT - .compat_ioctl = compat_ipmi_ioctl, + .compat_ioctl = unlocked_compat_ipmi_ioctl, #endif .open = ipmi_open, .release = ipmi_release, diff --git a/drivers/char/random.c b/drivers/char/random.c index 32a6c5764950..eccd7cc3b956 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -865,16 +865,24 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, if (r->entropy_count / 8 < min + reserved) { nbytes = 0; } else { + int entropy_count, orig; +retry: + entropy_count = orig = ACCESS_ONCE(r->entropy_count); /* If limited, never pull more than available */ - if (r->limit && nbytes + reserved >= r->entropy_count / 8) - nbytes = r->entropy_count/8 - reserved; - - if (r->entropy_count / 8 >= nbytes + reserved) - r->entropy_count -= nbytes*8; - else - r->entropy_count = reserved; + if (r->limit && nbytes + reserved >= entropy_count / 8) + nbytes = entropy_count/8 - reserved; + + if (entropy_count / 8 >= nbytes + reserved) { + entropy_count -= nbytes*8; + if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig) + goto retry; + } else { + entropy_count = reserved; + if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig) + goto retry; + } - if (r->entropy_count < random_write_wakeup_thresh) + if (entropy_count < random_write_wakeup_thresh) wakeup_write = 1; } @@ -957,10 +965,23 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, { ssize_t ret = 0, i; __u8 tmp[EXTRACT_SIZE]; + unsigned long flags; /* if last_data isn't primed, we need EXTRACT_SIZE extra bytes */ - if (fips_enabled && !r->last_data_init) - nbytes += EXTRACT_SIZE; + if (fips_enabled) { + spin_lock_irqsave(&r->lock, flags); + if (!r->last_data_init) { + r->last_data_init = true; + spin_unlock_irqrestore(&r->lock, flags); + trace_extract_entropy(r->name, EXTRACT_SIZE, + r->entropy_count, _RET_IP_); + xfer_secondary_pool(r, EXTRACT_SIZE); + extract_buf(r, tmp); + spin_lock_irqsave(&r->lock, flags); + memcpy(r->last_data, tmp, EXTRACT_SIZE); + } + spin_unlock_irqrestore(&r->lock, flags); + } trace_extract_entropy(r->name, nbytes, r->entropy_count, _RET_IP_); xfer_secondary_pool(r, nbytes); @@ -970,19 +991,6 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, extract_buf(r, tmp); if (fips_enabled) { - unsigned long flags; - - - /* prime last_data value if need be, per fips 140-2 */ - if (!r->last_data_init) { - spin_lock_irqsave(&r->lock, flags); - memcpy(r->last_data, tmp, EXTRACT_SIZE); - r->last_data_init = true; - nbytes -= EXTRACT_SIZE; - spin_unlock_irqrestore(&r->lock, flags); - extract_buf(r, tmp); - } - spin_lock_irqsave(&r->lock, flags); if (!memcmp(tmp, r->last_data, EXTRACT_SIZE)) panic("Hardware RNG duplicated output!\n"); diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 0d2e82f95577..7c3b3dcbfbc8 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -1337,7 +1337,7 @@ int tpm_pm_suspend(struct device *dev) { struct tpm_chip *chip = dev_get_drvdata(dev); struct tpm_cmd_t cmd; - int rc; + int rc, try; u8 dummy_hash[TPM_DIGEST_SIZE] = { 0 }; @@ -1355,9 +1355,32 @@ int tpm_pm_suspend(struct device *dev) } /* now do the actual savestate */ - cmd.header.in = savestate_header; - rc = transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE, - "sending savestate before suspend"); + for (try = 0; try < TPM_RETRY; try++) { + cmd.header.in = savestate_header; + rc = transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE, NULL); + + /* + * If the TPM indicates that it is too busy to respond to + * this command then retry before giving up. It can take + * several seconds for this TPM to be ready. + * + * This can happen if the TPM has already been sent the + * SaveState command before the driver has loaded. TCG 1.2 + * specification states that any communication after SaveState + * may cause the TPM to invalidate previously saved state. + */ + if (rc != TPM_WARN_RETRY) + break; + msleep(TPM_TIMEOUT_RETRY); + } + + if (rc) + dev_err(chip->dev, + "Error (%d) sending savestate before suspend\n", rc); + else if (try > 0) + dev_warn(chip->dev, "TPM savestate took %dms\n", + try * TPM_TIMEOUT_RETRY); + return rc; } EXPORT_SYMBOL_GPL(tpm_pm_suspend); diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 81b52015f669..0770d1d79366 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -32,10 +32,12 @@ enum tpm_const { TPM_MINOR = 224, /* officially assigned */ TPM_BUFSIZE = 4096, TPM_NUM_DEVICES = 256, + TPM_RETRY = 50, /* 5 seconds */ }; enum tpm_timeout { TPM_TIMEOUT = 5, /* msecs */ + TPM_TIMEOUT_RETRY = 100 /* msecs */ }; /* TPM addresses */ @@ -44,6 +46,7 @@ enum tpm_addr { TPM_ADDR = 0x4E, }; +#define TPM_WARN_RETRY 0x800 #define TPM_WARN_DOING_SELFTEST 0x802 #define TPM_ERR_DEACTIVATED 0x6 #define TPM_ERR_DISABLED 0x7 diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 6133ef5cf671..d8a8c9bfd4fc 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -48,12 +48,7 @@ static inline int32_t div_fp(int32_t x, int32_t y) } struct sample { - ktime_t start_time; - ktime_t end_time; int core_pct_busy; - int pstate_pct_busy; - u64 duration_us; - u64 idletime_us; u64 aperf; u64 mperf; int freq; @@ -91,8 +86,6 @@ struct cpudata { int min_pstate_count; int idle_mode; - ktime_t prev_sample; - u64 prev_idle_time_us; u64 prev_aperf; u64 prev_mperf; int sample_ptr; @@ -124,6 +117,8 @@ struct perf_limits { int min_perf_pct; int32_t max_perf; int32_t min_perf; + int max_policy_pct; + int max_sysfs_pct; }; static struct perf_limits limits = { @@ -132,6 +127,8 @@ static struct perf_limits limits = { .max_perf = int_tofp(1), .min_perf_pct = 0, .min_perf = 0, + .max_policy_pct = 100, + .max_sysfs_pct = 100, }; static inline void pid_reset(struct _pid *pid, int setpoint, int busy, @@ -302,7 +299,8 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b, if (ret != 1) return -EINVAL; - limits.max_perf_pct = clamp_t(int, input, 0 , 100); + limits.max_sysfs_pct = clamp_t(int, input, 0 , 100); + limits.max_perf_pct = min(limits.max_policy_pct, limits.max_sysfs_pct); limits.max_perf = div_fp(int_tofp(limits.max_perf_pct), int_tofp(100)); return count; } @@ -450,48 +448,26 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu, struct sample *sample) { u64 core_pct; - sample->pstate_pct_busy = 100 - div64_u64( - sample->idletime_us * 100, - sample->duration_us); core_pct = div64_u64(sample->aperf * 100, sample->mperf); sample->freq = cpu->pstate.max_pstate * core_pct * 1000; - sample->core_pct_busy = div_s64((sample->pstate_pct_busy * core_pct), - 100); + sample->core_pct_busy = core_pct; } static inline void intel_pstate_sample(struct cpudata *cpu) { - ktime_t now; - u64 idle_time_us; u64 aperf, mperf; - now = ktime_get(); - idle_time_us = get_cpu_idle_time_us(cpu->cpu, NULL); - rdmsrl(MSR_IA32_APERF, aperf); rdmsrl(MSR_IA32_MPERF, mperf); - /* for the first sample, don't actually record a sample, just - * set the baseline */ - if (cpu->prev_idle_time_us > 0) { - cpu->sample_ptr = (cpu->sample_ptr + 1) % SAMPLE_COUNT; - cpu->samples[cpu->sample_ptr].start_time = cpu->prev_sample; - cpu->samples[cpu->sample_ptr].end_time = now; - cpu->samples[cpu->sample_ptr].duration_us = - ktime_us_delta(now, cpu->prev_sample); - cpu->samples[cpu->sample_ptr].idletime_us = - idle_time_us - cpu->prev_idle_time_us; - - cpu->samples[cpu->sample_ptr].aperf = aperf; - cpu->samples[cpu->sample_ptr].mperf = mperf; - cpu->samples[cpu->sample_ptr].aperf -= cpu->prev_aperf; - cpu->samples[cpu->sample_ptr].mperf -= cpu->prev_mperf; - - intel_pstate_calc_busy(cpu, &cpu->samples[cpu->sample_ptr]); - } + cpu->sample_ptr = (cpu->sample_ptr + 1) % SAMPLE_COUNT; + cpu->samples[cpu->sample_ptr].aperf = aperf; + cpu->samples[cpu->sample_ptr].mperf = mperf; + cpu->samples[cpu->sample_ptr].aperf -= cpu->prev_aperf; + cpu->samples[cpu->sample_ptr].mperf -= cpu->prev_mperf; + + intel_pstate_calc_busy(cpu, &cpu->samples[cpu->sample_ptr]); - cpu->prev_sample = now; - cpu->prev_idle_time_us = idle_time_us; cpu->prev_aperf = aperf; cpu->prev_mperf = mperf; } @@ -575,22 +551,16 @@ static void intel_pstate_timer_func(unsigned long __data) struct cpudata *cpu = (struct cpudata *) __data; intel_pstate_sample(cpu); + intel_pstate_adjust_busy_pstate(cpu); - if (!cpu->idle_mode) - intel_pstate_adjust_busy_pstate(cpu); - else - intel_pstate_adjust_idle_pstate(cpu); - -#if defined(XPERF_FIX) if (cpu->pstate.current_pstate == cpu->pstate.min_pstate) { cpu->min_pstate_count++; if (!(cpu->min_pstate_count % 5)) { intel_pstate_set_pstate(cpu, cpu->pstate.max_pstate); - intel_pstate_idle_mode(cpu); } } else cpu->min_pstate_count = 0; -#endif + intel_pstate_set_sample_time(cpu); } @@ -670,8 +640,9 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) limits.min_perf_pct = clamp_t(int, limits.min_perf_pct, 0 , 100); limits.min_perf = div_fp(int_tofp(limits.min_perf_pct), int_tofp(100)); - limits.max_perf_pct = policy->max * 100 / policy->cpuinfo.max_freq; - limits.max_perf_pct = clamp_t(int, limits.max_perf_pct, 0 , 100); + limits.max_policy_pct = policy->max * 100 / policy->cpuinfo.max_freq; + limits.max_policy_pct = clamp_t(int, limits.max_policy_pct, 0 , 100); + limits.max_perf_pct = min(limits.max_policy_pct, limits.max_sysfs_pct); limits.max_perf = div_fp(int_tofp(limits.max_perf_pct), int_tofp(100)); if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) { diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index cf268b14ae9a..d482b12f5c88 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -1154,7 +1154,7 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained); sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1, - DMA_BIDIRECTIONAL, assoc_chained); + DMA_TO_DEVICE, assoc_chained); if (likely(req->src == req->dst)) { sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1, DMA_BIDIRECTIONAL, src_chained); @@ -1336,7 +1336,7 @@ static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained); sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1, - DMA_BIDIRECTIONAL, assoc_chained); + DMA_TO_DEVICE, assoc_chained); if (likely(req->src == req->dst)) { sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1, DMA_BIDIRECTIONAL, src_chained); diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index 69d04d28b1ef..09c7ad130315 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -93,6 +93,7 @@ int of_dma_controller_register(struct device_node *np, { struct of_dma *ofdma; int nbcells; + const __be32 *prop; if (!np || !of_dma_xlate) { pr_err("%s: not enough information provided\n", __func__); @@ -103,8 +104,11 @@ int of_dma_controller_register(struct device_node *np, if (!ofdma) return -ENOMEM; - nbcells = be32_to_cpup(of_get_property(np, "#dma-cells", NULL)); - if (!nbcells) { + prop = of_get_property(np, "#dma-cells", NULL); + if (prop) + nbcells = be32_to_cpup(prop); + + if (!prop || !nbcells) { pr_err("%s: #dma-cells property is missing or invalid\n", __func__); kfree(ofdma); diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c index d01faeb0f27c..ce3dc3e9688c 100644 --- a/drivers/dma/pch_dma.c +++ b/drivers/dma/pch_dma.c @@ -476,7 +476,7 @@ static struct pch_dma_desc *pdc_desc_get(struct pch_dma_chan *pd_chan) dev_dbg(chan2dev(&pd_chan->chan), "scanned %d descriptors\n", i); if (!ret) { - ret = pdc_alloc_desc(&pd_chan->chan, GFP_NOIO); + ret = pdc_alloc_desc(&pd_chan->chan, GFP_ATOMIC); if (ret) { spin_lock(&pd_chan->lock); pd_chan->descs_allocated++; diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 5899a76eec3b..769d92ec5730 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -327,17 +327,17 @@ static struct device_attribute *dynamic_csrow_dimm_attr[] = { }; /* possible dynamic channel ce_count attribute files */ -DEVICE_CHANNEL(ch0_ce_count, S_IRUGO | S_IWUSR, +DEVICE_CHANNEL(ch0_ce_count, S_IRUGO, channel_ce_count_show, NULL, 0); -DEVICE_CHANNEL(ch1_ce_count, S_IRUGO | S_IWUSR, +DEVICE_CHANNEL(ch1_ce_count, S_IRUGO, channel_ce_count_show, NULL, 1); -DEVICE_CHANNEL(ch2_ce_count, S_IRUGO | S_IWUSR, +DEVICE_CHANNEL(ch2_ce_count, S_IRUGO, channel_ce_count_show, NULL, 2); -DEVICE_CHANNEL(ch3_ce_count, S_IRUGO | S_IWUSR, +DEVICE_CHANNEL(ch3_ce_count, S_IRUGO, channel_ce_count_show, NULL, 3); -DEVICE_CHANNEL(ch4_ce_count, S_IRUGO | S_IWUSR, +DEVICE_CHANNEL(ch4_ce_count, S_IRUGO, channel_ce_count_show, NULL, 4); -DEVICE_CHANNEL(ch5_ce_count, S_IRUGO | S_IWUSR, +DEVICE_CHANNEL(ch5_ce_count, S_IRUGO, channel_ce_count_show, NULL, 5); /* Total possible dynamic ce_count attribute file table */ diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h index 528429252f0f..02e52d543e4b 100644 --- a/drivers/gpu/drm/ast/ast_drv.h +++ b/drivers/gpu/drm/ast/ast_drv.h @@ -241,6 +241,8 @@ struct ast_fbdev { void *sysram; int size; struct ttm_bo_kmap_obj mapping; + int x1, y1, x2, y2; /* dirty rect */ + spinlock_t dirty_lock; }; #define to_ast_crtc(x) container_of(x, struct ast_crtc, base) diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c index 34931fe7d2c5..fbc0823cfa18 100644 --- a/drivers/gpu/drm/ast/ast_fb.c +++ b/drivers/gpu/drm/ast/ast_fb.c @@ -53,16 +53,52 @@ static void ast_dirty_update(struct ast_fbdev *afbdev, int bpp = (afbdev->afb.base.bits_per_pixel + 7)/8; int ret; bool unmap = false; + bool store_for_later = false; + int x2, y2; + unsigned long flags; obj = afbdev->afb.obj; bo = gem_to_ast_bo(obj); + /* + * try and reserve the BO, if we fail with busy + * then the BO is being moved and we should + * store up the damage until later. + */ ret = ast_bo_reserve(bo, true); if (ret) { - DRM_ERROR("failed to reserve fb bo\n"); + if (ret != -EBUSY) + return; + + store_for_later = true; + } + + x2 = x + width - 1; + y2 = y + height - 1; + spin_lock_irqsave(&afbdev->dirty_lock, flags); + + if (afbdev->y1 < y) + y = afbdev->y1; + if (afbdev->y2 > y2) + y2 = afbdev->y2; + if (afbdev->x1 < x) + x = afbdev->x1; + if (afbdev->x2 > x2) + x2 = afbdev->x2; + + if (store_for_later) { + afbdev->x1 = x; + afbdev->x2 = x2; + afbdev->y1 = y; + afbdev->y2 = y2; + spin_unlock_irqrestore(&afbdev->dirty_lock, flags); return; } + afbdev->x1 = afbdev->y1 = INT_MAX; + afbdev->x2 = afbdev->y2 = 0; + spin_unlock_irqrestore(&afbdev->dirty_lock, flags); + if (!bo->kmap.virtual) { ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); if (ret) { @@ -72,10 +108,10 @@ static void ast_dirty_update(struct ast_fbdev *afbdev, } unmap = true; } - for (i = y; i < y + height; i++) { + for (i = y; i <= y2; i++) { /* assume equal stride for now */ src_offset = dst_offset = i * afbdev->afb.base.pitches[0] + (x * bpp); - memcpy_toio(bo->kmap.virtual + src_offset, afbdev->sysram + src_offset, width * bpp); + memcpy_toio(bo->kmap.virtual + src_offset, afbdev->sysram + src_offset, (x2 - x + 1) * bpp); } if (unmap) @@ -292,6 +328,7 @@ int ast_fbdev_init(struct drm_device *dev) ast->fbdev = afbdev; afbdev->helper.funcs = &ast_fb_helper_funcs; + spin_lock_init(&afbdev->dirty_lock); ret = drm_fb_helper_init(dev, &afbdev->helper, 1, 1); if (ret) { diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c index 3602731a6112..09da3393c527 100644 --- a/drivers/gpu/drm/ast/ast_ttm.c +++ b/drivers/gpu/drm/ast/ast_ttm.c @@ -316,7 +316,7 @@ int ast_bo_reserve(struct ast_bo *bo, bool no_wait) ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); if (ret) { - if (ret != -ERESTARTSYS) + if (ret != -ERESTARTSYS && ret != -EBUSY) DRM_ERROR("reserve failed %p\n", bo); return ret; } diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.h b/drivers/gpu/drm/cirrus/cirrus_drv.h index 6e0cc724e5a2..7ca059596887 100644 --- a/drivers/gpu/drm/cirrus/cirrus_drv.h +++ b/drivers/gpu/drm/cirrus/cirrus_drv.h @@ -154,6 +154,8 @@ struct cirrus_fbdev { struct list_head fbdev_list; void *sysram; int size; + int x1, y1, x2, y2; /* dirty rect */ + spinlock_t dirty_lock; }; struct cirrus_bo { diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c index e25afccaf85b..3541b567bbd8 100644 --- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c +++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c @@ -27,16 +27,51 @@ static void cirrus_dirty_update(struct cirrus_fbdev *afbdev, int bpp = (afbdev->gfb.base.bits_per_pixel + 7)/8; int ret; bool unmap = false; + bool store_for_later = false; + int x2, y2; + unsigned long flags; obj = afbdev->gfb.obj; bo = gem_to_cirrus_bo(obj); + /* + * try and reserve the BO, if we fail with busy + * then the BO is being moved and we should + * store up the damage until later. + */ ret = cirrus_bo_reserve(bo, true); if (ret) { - DRM_ERROR("failed to reserve fb bo\n"); + if (ret != -EBUSY) + return; + store_for_later = true; + } + + x2 = x + width - 1; + y2 = y + height - 1; + spin_lock_irqsave(&afbdev->dirty_lock, flags); + + if (afbdev->y1 < y) + y = afbdev->y1; + if (afbdev->y2 > y2) + y2 = afbdev->y2; + if (afbdev->x1 < x) + x = afbdev->x1; + if (afbdev->x2 > x2) + x2 = afbdev->x2; + + if (store_for_later) { + afbdev->x1 = x; + afbdev->x2 = x2; + afbdev->y1 = y; + afbdev->y2 = y2; + spin_unlock_irqrestore(&afbdev->dirty_lock, flags); return; } + afbdev->x1 = afbdev->y1 = INT_MAX; + afbdev->x2 = afbdev->y2 = 0; + spin_unlock_irqrestore(&afbdev->dirty_lock, flags); + if (!bo->kmap.virtual) { ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); if (ret) { @@ -268,6 +303,7 @@ int cirrus_fbdev_init(struct cirrus_device *cdev) cdev->mode_info.gfbdev = gfbdev; gfbdev->helper.funcs = &cirrus_fb_helper_funcs; + spin_lock_init(&gfbdev->dirty_lock); ret = drm_fb_helper_init(cdev->dev, &gfbdev->helper, cdev->num_crtc, CIRRUSFB_CONN_LIMIT); diff --git a/drivers/gpu/drm/cirrus/cirrus_ttm.c b/drivers/gpu/drm/cirrus/cirrus_ttm.c index 1413a26e4905..2ed8cfc740c9 100644 --- a/drivers/gpu/drm/cirrus/cirrus_ttm.c +++ b/drivers/gpu/drm/cirrus/cirrus_ttm.c @@ -321,7 +321,7 @@ int cirrus_bo_reserve(struct cirrus_bo *bo, bool no_wait) ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); if (ret) { - if (ret != -ERESTARTSYS) + if (ret != -ERESTARTSYS && ret != -EBUSY) DRM_ERROR("reserve failed %p\n", bo); return ret; } diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index dd64a06dc5b4..016c5d8b4660 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -78,6 +78,10 @@ void drm_warn_on_modeset_not_all_locked(struct drm_device *dev) { struct drm_crtc *crtc; + /* Locking is currently fubar in the panic handler. */ + if (oops_in_progress) + return; + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) WARN_ON(!mutex_is_locked(&crtc->mutex)); diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index af779ae19ebf..cf919e36e8ae 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -205,11 +205,11 @@ static void drm_gem_remove_prime_handles(struct drm_gem_object *obj, struct drm_file *filp) { if (obj->import_attach) { - drm_prime_remove_imported_buf_handle(&filp->prime, + drm_prime_remove_buf_handle(&filp->prime, obj->import_attach->dmabuf); } if (obj->export_dma_buf) { - drm_prime_remove_imported_buf_handle(&filp->prime, + drm_prime_remove_buf_handle(&filp->prime, obj->export_dma_buf); } } diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index db1e2d6f90d7..07cf99cc8862 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -755,33 +755,35 @@ void drm_mm_debug_table(struct drm_mm *mm, const char *prefix) EXPORT_SYMBOL(drm_mm_debug_table); #if defined(CONFIG_DEBUG_FS) -int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm) +static unsigned long drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *entry) { - struct drm_mm_node *entry; - unsigned long total_used = 0, total_free = 0, total = 0; unsigned long hole_start, hole_end, hole_size; - hole_start = drm_mm_hole_node_start(&mm->head_node); - hole_end = drm_mm_hole_node_end(&mm->head_node); - hole_size = hole_end - hole_start; - if (hole_size) + if (entry->hole_follows) { + hole_start = drm_mm_hole_node_start(entry); + hole_end = drm_mm_hole_node_end(entry); + hole_size = hole_end - hole_start; seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n", hole_start, hole_end, hole_size); - total_free += hole_size; + return hole_size; + } + + return 0; +} + +int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm) +{ + struct drm_mm_node *entry; + unsigned long total_used = 0, total_free = 0, total = 0; + + total_free += drm_mm_dump_hole(m, &mm->head_node); drm_mm_for_each_node(entry, mm) { seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: used\n", entry->start, entry->start + entry->size, entry->size); total_used += entry->size; - if (entry->hole_follows) { - hole_start = drm_mm_hole_node_start(entry); - hole_end = drm_mm_hole_node_end(entry); - hole_size = hole_end - hole_start; - seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n", - hole_start, hole_end, hole_size); - total_free += hole_size; - } + total_free += drm_mm_dump_hole(m, entry); } total = total_free + total_used; diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 366910ddcfcb..db767cae5f2a 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -62,6 +62,7 @@ struct drm_prime_member { struct dma_buf *dma_buf; uint32_t handle; }; +static int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle); static struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach, enum dma_data_direction dir) @@ -200,7 +201,8 @@ int drm_gem_prime_handle_to_fd(struct drm_device *dev, { struct drm_gem_object *obj; void *buf; - int ret; + int ret = 0; + struct dma_buf *dmabuf; obj = drm_gem_object_lookup(dev, file_priv, handle); if (!obj) @@ -209,43 +211,44 @@ int drm_gem_prime_handle_to_fd(struct drm_device *dev, mutex_lock(&file_priv->prime.lock); /* re-export the original imported object */ if (obj->import_attach) { - get_dma_buf(obj->import_attach->dmabuf); - *prime_fd = dma_buf_fd(obj->import_attach->dmabuf, flags); - drm_gem_object_unreference_unlocked(obj); - mutex_unlock(&file_priv->prime.lock); - return 0; + dmabuf = obj->import_attach->dmabuf; + goto out_have_obj; } if (obj->export_dma_buf) { - get_dma_buf(obj->export_dma_buf); - *prime_fd = dma_buf_fd(obj->export_dma_buf, flags); - drm_gem_object_unreference_unlocked(obj); - } else { - buf = dev->driver->gem_prime_export(dev, obj, flags); - if (IS_ERR(buf)) { - /* normally the created dma-buf takes ownership of the ref, - * but if that fails then drop the ref - */ - drm_gem_object_unreference_unlocked(obj); - mutex_unlock(&file_priv->prime.lock); - return PTR_ERR(buf); - } - obj->export_dma_buf = buf; - *prime_fd = dma_buf_fd(buf, flags); + dmabuf = obj->export_dma_buf; + goto out_have_obj; } + + buf = dev->driver->gem_prime_export(dev, obj, flags); + if (IS_ERR(buf)) { + /* normally the created dma-buf takes ownership of the ref, + * but if that fails then drop the ref + */ + ret = PTR_ERR(buf); + goto out; + } + obj->export_dma_buf = buf; + /* if we've exported this buffer the cheat and add it to the import list * so we get the correct handle back */ - ret = drm_prime_add_imported_buf_handle(&file_priv->prime, - obj->export_dma_buf, handle); - if (ret) { - drm_gem_object_unreference_unlocked(obj); - mutex_unlock(&file_priv->prime.lock); - return ret; - } + ret = drm_prime_add_buf_handle(&file_priv->prime, + obj->export_dma_buf, handle); + if (ret) + goto out; + *prime_fd = dma_buf_fd(buf, flags); mutex_unlock(&file_priv->prime.lock); return 0; + +out_have_obj: + get_dma_buf(dmabuf); + *prime_fd = dma_buf_fd(dmabuf, flags); +out: + drm_gem_object_unreference_unlocked(obj); + mutex_unlock(&file_priv->prime.lock); + return ret; } EXPORT_SYMBOL(drm_gem_prime_handle_to_fd); @@ -268,7 +271,6 @@ struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev, * refcount on gem itself instead of f_count of dmabuf. */ drm_gem_object_reference(obj); - dma_buf_put(dma_buf); return obj; } } @@ -277,6 +279,8 @@ struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev, if (IS_ERR(attach)) return ERR_PTR(PTR_ERR(attach)); + get_dma_buf(dma_buf); + sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); if (IS_ERR_OR_NULL(sgt)) { ret = PTR_ERR(sgt); @@ -297,6 +301,8 @@ fail_unmap: dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL); fail_detach: dma_buf_detach(dma_buf, attach); + dma_buf_put(dma_buf); + return ERR_PTR(ret); } EXPORT_SYMBOL(drm_gem_prime_import); @@ -314,7 +320,7 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev, mutex_lock(&file_priv->prime.lock); - ret = drm_prime_lookup_imported_buf_handle(&file_priv->prime, + ret = drm_prime_lookup_buf_handle(&file_priv->prime, dma_buf, handle); if (!ret) { ret = 0; @@ -333,12 +339,15 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev, if (ret) goto out_put; - ret = drm_prime_add_imported_buf_handle(&file_priv->prime, + ret = drm_prime_add_buf_handle(&file_priv->prime, dma_buf, *handle); if (ret) goto fail; mutex_unlock(&file_priv->prime.lock); + + dma_buf_put(dma_buf); + return 0; fail: @@ -491,7 +500,7 @@ void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv) } EXPORT_SYMBOL(drm_prime_destroy_file_private); -int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle) +static int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle) { struct drm_prime_member *member; @@ -499,14 +508,14 @@ int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv if (!member) return -ENOMEM; + get_dma_buf(dma_buf); member->dma_buf = dma_buf; member->handle = handle; list_add(&member->entry, &prime_fpriv->head); return 0; } -EXPORT_SYMBOL(drm_prime_add_imported_buf_handle); -int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle) +int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle) { struct drm_prime_member *member; @@ -518,19 +527,20 @@ int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fp } return -ENOENT; } -EXPORT_SYMBOL(drm_prime_lookup_imported_buf_handle); +EXPORT_SYMBOL(drm_prime_lookup_buf_handle); -void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf) +void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf) { struct drm_prime_member *member, *safe; mutex_lock(&prime_fpriv->lock); list_for_each_entry_safe(member, safe, &prime_fpriv->head, entry) { if (member->dma_buf == dma_buf) { + dma_buf_put(dma_buf); list_del(&member->entry); kfree(member); } } mutex_unlock(&prime_fpriv->lock); } -EXPORT_SYMBOL(drm_prime_remove_imported_buf_handle); +EXPORT_SYMBOL(drm_prime_remove_buf_handle); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c index ba0a3aa78547..ff7f2a886a34 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c @@ -235,7 +235,6 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev, * refcount on gem itself instead of f_count of dmabuf. */ drm_gem_object_reference(obj); - dma_buf_put(dma_buf); return obj; } } @@ -244,6 +243,7 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev, if (IS_ERR(attach)) return ERR_PTR(-EINVAL); + get_dma_buf(dma_buf); sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); if (IS_ERR_OR_NULL(sgt)) { @@ -298,6 +298,8 @@ err_unmap_attach: dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL); err_buf_detach: dma_buf_detach(dma_buf, attach); + dma_buf_put(dma_buf); + return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c index 8652cdf3f03f..029eccf30137 100644 --- a/drivers/gpu/drm/gma500/psb_irq.c +++ b/drivers/gpu/drm/gma500/psb_irq.c @@ -211,7 +211,7 @@ irqreturn_t psb_irq_handler(DRM_IRQ_ARGS) vdc_stat = PSB_RVDC32(PSB_INT_IDENTITY_R); - if (vdc_stat & _PSB_PIPE_EVENT_FLAG) + if (vdc_stat & (_PSB_PIPE_EVENT_FLAG|_PSB_IRQ_ASLE)) dsp_int = 1; /* FIXME: Handle Medfield diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index e9b57893db2b..49393e584a88 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -359,40 +359,64 @@ static const struct pci_device_id pciidlist[] = { /* aka */ INTEL_VGA_DEVICE(0x016a, &intel_ivybridge_d_info), /* GT2 server */ INTEL_VGA_DEVICE(0x0402, &intel_haswell_d_info), /* GT1 desktop */ INTEL_VGA_DEVICE(0x0412, &intel_haswell_d_info), /* GT2 desktop */ - INTEL_VGA_DEVICE(0x0422, &intel_haswell_d_info), /* GT2 desktop */ + INTEL_VGA_DEVICE(0x0422, &intel_haswell_d_info), /* GT3 desktop */ INTEL_VGA_DEVICE(0x040a, &intel_haswell_d_info), /* GT1 server */ INTEL_VGA_DEVICE(0x041a, &intel_haswell_d_info), /* GT2 server */ - INTEL_VGA_DEVICE(0x042a, &intel_haswell_d_info), /* GT2 server */ + INTEL_VGA_DEVICE(0x042a, &intel_haswell_d_info), /* GT3 server */ INTEL_VGA_DEVICE(0x0406, &intel_haswell_m_info), /* GT1 mobile */ INTEL_VGA_DEVICE(0x0416, &intel_haswell_m_info), /* GT2 mobile */ INTEL_VGA_DEVICE(0x0426, &intel_haswell_m_info), /* GT2 mobile */ + INTEL_VGA_DEVICE(0x040B, &intel_haswell_d_info), /* GT1 reserved */ + INTEL_VGA_DEVICE(0x041B, &intel_haswell_d_info), /* GT2 reserved */ + INTEL_VGA_DEVICE(0x042B, &intel_haswell_d_info), /* GT3 reserved */ + INTEL_VGA_DEVICE(0x040E, &intel_haswell_d_info), /* GT1 reserved */ + INTEL_VGA_DEVICE(0x041E, &intel_haswell_d_info), /* GT2 reserved */ + INTEL_VGA_DEVICE(0x042E, &intel_haswell_d_info), /* GT3 reserved */ INTEL_VGA_DEVICE(0x0C02, &intel_haswell_d_info), /* SDV GT1 desktop */ INTEL_VGA_DEVICE(0x0C12, &intel_haswell_d_info), /* SDV GT2 desktop */ - INTEL_VGA_DEVICE(0x0C22, &intel_haswell_d_info), /* SDV GT2 desktop */ + INTEL_VGA_DEVICE(0x0C22, &intel_haswell_d_info), /* SDV GT3 desktop */ INTEL_VGA_DEVICE(0x0C0A, &intel_haswell_d_info), /* SDV GT1 server */ INTEL_VGA_DEVICE(0x0C1A, &intel_haswell_d_info), /* SDV GT2 server */ - INTEL_VGA_DEVICE(0x0C2A, &intel_haswell_d_info), /* SDV GT2 server */ + INTEL_VGA_DEVICE(0x0C2A, &intel_haswell_d_info), /* SDV GT3 server */ INTEL_VGA_DEVICE(0x0C06, &intel_haswell_m_info), /* SDV GT1 mobile */ INTEL_VGA_DEVICE(0x0C16, &intel_haswell_m_info), /* SDV GT2 mobile */ - INTEL_VGA_DEVICE(0x0C26, &intel_haswell_m_info), /* SDV GT2 mobile */ + INTEL_VGA_DEVICE(0x0C26, &intel_haswell_m_info), /* SDV GT3 mobile */ + INTEL_VGA_DEVICE(0x0C0B, &intel_haswell_d_info), /* SDV GT1 reserved */ + INTEL_VGA_DEVICE(0x0C1B, &intel_haswell_d_info), /* SDV GT2 reserved */ + INTEL_VGA_DEVICE(0x0C2B, &intel_haswell_d_info), /* SDV GT3 reserved */ + INTEL_VGA_DEVICE(0x0C0E, &intel_haswell_d_info), /* SDV GT1 reserved */ + INTEL_VGA_DEVICE(0x0C1E, &intel_haswell_d_info), /* SDV GT2 reserved */ + INTEL_VGA_DEVICE(0x0C2E, &intel_haswell_d_info), /* SDV GT3 reserved */ INTEL_VGA_DEVICE(0x0A02, &intel_haswell_d_info), /* ULT GT1 desktop */ INTEL_VGA_DEVICE(0x0A12, &intel_haswell_d_info), /* ULT GT2 desktop */ - INTEL_VGA_DEVICE(0x0A22, &intel_haswell_d_info), /* ULT GT2 desktop */ + INTEL_VGA_DEVICE(0x0A22, &intel_haswell_d_info), /* ULT GT3 desktop */ INTEL_VGA_DEVICE(0x0A0A, &intel_haswell_d_info), /* ULT GT1 server */ INTEL_VGA_DEVICE(0x0A1A, &intel_haswell_d_info), /* ULT GT2 server */ - INTEL_VGA_DEVICE(0x0A2A, &intel_haswell_d_info), /* ULT GT2 server */ + INTEL_VGA_DEVICE(0x0A2A, &intel_haswell_d_info), /* ULT GT3 server */ INTEL_VGA_DEVICE(0x0A06, &intel_haswell_m_info), /* ULT GT1 mobile */ INTEL_VGA_DEVICE(0x0A16, &intel_haswell_m_info), /* ULT GT2 mobile */ - INTEL_VGA_DEVICE(0x0A26, &intel_haswell_m_info), /* ULT GT2 mobile */ + INTEL_VGA_DEVICE(0x0A26, &intel_haswell_m_info), /* ULT GT3 mobile */ + INTEL_VGA_DEVICE(0x0A0B, &intel_haswell_d_info), /* ULT GT1 reserved */ + INTEL_VGA_DEVICE(0x0A1B, &intel_haswell_d_info), /* ULT GT2 reserved */ + INTEL_VGA_DEVICE(0x0A2B, &intel_haswell_d_info), /* ULT GT3 reserved */ + INTEL_VGA_DEVICE(0x0A0E, &intel_haswell_m_info), /* ULT GT1 reserved */ + INTEL_VGA_DEVICE(0x0A1E, &intel_haswell_m_info), /* ULT GT2 reserved */ + INTEL_VGA_DEVICE(0x0A2E, &intel_haswell_m_info), /* ULT GT3 reserved */ INTEL_VGA_DEVICE(0x0D02, &intel_haswell_d_info), /* CRW GT1 desktop */ INTEL_VGA_DEVICE(0x0D12, &intel_haswell_d_info), /* CRW GT2 desktop */ - INTEL_VGA_DEVICE(0x0D22, &intel_haswell_d_info), /* CRW GT2 desktop */ + INTEL_VGA_DEVICE(0x0D22, &intel_haswell_d_info), /* CRW GT3 desktop */ INTEL_VGA_DEVICE(0x0D0A, &intel_haswell_d_info), /* CRW GT1 server */ INTEL_VGA_DEVICE(0x0D1A, &intel_haswell_d_info), /* CRW GT2 server */ - INTEL_VGA_DEVICE(0x0D2A, &intel_haswell_d_info), /* CRW GT2 server */ + INTEL_VGA_DEVICE(0x0D2A, &intel_haswell_d_info), /* CRW GT3 server */ INTEL_VGA_DEVICE(0x0D06, &intel_haswell_m_info), /* CRW GT1 mobile */ INTEL_VGA_DEVICE(0x0D16, &intel_haswell_m_info), /* CRW GT2 mobile */ - INTEL_VGA_DEVICE(0x0D26, &intel_haswell_m_info), /* CRW GT2 mobile */ + INTEL_VGA_DEVICE(0x0D26, &intel_haswell_m_info), /* CRW GT3 mobile */ + INTEL_VGA_DEVICE(0x0D0B, &intel_haswell_d_info), /* CRW GT1 reserved */ + INTEL_VGA_DEVICE(0x0D1B, &intel_haswell_d_info), /* CRW GT2 reserved */ + INTEL_VGA_DEVICE(0x0D2B, &intel_haswell_d_info), /* CRW GT3 reserved */ + INTEL_VGA_DEVICE(0x0D0E, &intel_haswell_d_info), /* CRW GT1 reserved */ + INTEL_VGA_DEVICE(0x0D1E, &intel_haswell_d_info), /* CRW GT2 reserved */ + INTEL_VGA_DEVICE(0x0D2E, &intel_haswell_d_info), /* CRW GT3 reserved */ INTEL_VGA_DEVICE(0x0f30, &intel_valleyview_m_info), INTEL_VGA_DEVICE(0x0157, &intel_valleyview_m_info), INTEL_VGA_DEVICE(0x0155, &intel_valleyview_d_info), diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 01769e2a9953..ef99b1c22fca 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -941,6 +941,7 @@ typedef struct drm_i915_private { unsigned int int_crt_support:1; unsigned int lvds_use_ssc:1; unsigned int display_clock_mode:1; + unsigned int fdi_rx_polarity_inverted:1; int lvds_ssc_freq; unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */ struct { diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0e207e6e0df8..73cb479a488b 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2678,17 +2678,35 @@ static inline int fence_number(struct drm_i915_private *dev_priv, return fence - dev_priv->fence_regs; } +static void i915_gem_write_fence__ipi(void *data) +{ + wbinvd(); +} + static void i915_gem_object_update_fence(struct drm_i915_gem_object *obj, struct drm_i915_fence_reg *fence, bool enable) { - struct drm_i915_private *dev_priv = obj->base.dev->dev_private; - int reg = fence_number(dev_priv, fence); - - i915_gem_write_fence(obj->base.dev, reg, enable ? obj : NULL); + struct drm_device *dev = obj->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + int fence_reg = fence_number(dev_priv, fence); + + /* In order to fully serialize access to the fenced region and + * the update to the fence register we need to take extreme + * measures on SNB+. In theory, the write to the fence register + * flushes all memory transactions before, and coupled with the + * mb() placed around the register write we serialise all memory + * operations with respect to the changes in the tiler. Yet, on + * SNB+ we need to take a step further and emit an explicit wbinvd() + * on each processor in order to manually flush all memory + * transactions before updating the fence register. + */ + if (HAS_LLC(obj->base.dev)) + on_each_cpu(i915_gem_write_fence__ipi, NULL, 1); + i915_gem_write_fence(dev, fence_reg, enable ? obj : NULL); if (enable) { - obj->fence_reg = reg; + obj->fence_reg = fence_reg; fence->obj = obj; list_move_tail(&fence->lru_list, &dev_priv->mm.fence_list); } else { diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 94d873a6cffb..a1e8ecb6adf6 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -152,6 +152,13 @@ create_hw_context(struct drm_device *dev, return ERR_PTR(-ENOMEM); } + if (INTEL_INFO(dev)->gen >= 7) { + ret = i915_gem_object_set_cache_level(ctx->obj, + I915_CACHE_LLC_MLC); + if (ret) + goto err_out; + } + /* The ring associated with the context object is handled by the normal * object tracking code. We give an initial ring value simple to pass an * assertion in the context switch code. diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c index 6a5af6828624..c303de1034c7 100644 --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c @@ -271,7 +271,6 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev, * refcount on gem itself instead of f_count of dmabuf. */ drm_gem_object_reference(&obj->base); - dma_buf_put(dma_buf); return &obj->base; } } @@ -281,6 +280,8 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev, if (IS_ERR(attach)) return ERR_CAST(attach); + get_dma_buf(dma_buf); + obj = i915_gem_object_alloc(dev); if (obj == NULL) { ret = -ENOMEM; @@ -300,5 +301,7 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev, fail_detach: dma_buf_detach(dma_buf, attach); + dma_buf_put(dma_buf); + return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 926a1e2dd234..193c8d1088e7 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -182,8 +182,7 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt) /* ppgtt PDEs reside in the global gtt pagetable, which has 512*1024 * entries. For aliasing ppgtt support we just steal them at the end for * now. */ - first_pd_entry_in_global_pt = - gtt_total_entries(dev_priv->gtt) - I915_PPGTT_PD_ENTRIES; + first_pd_entry_in_global_pt = gtt_total_entries(dev_priv->gtt); ppgtt->num_pd_entries = I915_PPGTT_PD_ENTRIES; ppgtt->clear_range = gen6_ppgtt_clear_range; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 848992f67d56..c91124f925d0 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3827,7 +3827,7 @@ #define _TRANSB_CHICKEN2 0xf1064 #define TRANS_CHICKEN2(pipe) _PIPE(pipe, _TRANSA_CHICKEN2, _TRANSB_CHICKEN2) #define TRANS_CHICKEN2_TIMING_OVERRIDE (1<<31) - +#define TRANS_CHICKEN2_FDI_POLARITY_REVERSED (1<<29) #define SOUTH_CHICKEN1 0xc2000 #define FDIA_PHASE_SYNC_SHIFT_OVR 19 diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 55ffba1f5818..bd833918c492 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -351,12 +351,14 @@ parse_general_features(struct drm_i915_private *dev_priv, dev_priv->lvds_ssc_freq = intel_bios_ssc_frequency(dev, general->ssc_freq); dev_priv->display_clock_mode = general->display_clock_mode; - DRM_DEBUG_KMS("BDB_GENERAL_FEATURES int_tv_support %d int_crt_support %d lvds_use_ssc %d lvds_ssc_freq %d display_clock_mode %d\n", + dev_priv->fdi_rx_polarity_inverted = general->fdi_rx_polarity_inverted; + DRM_DEBUG_KMS("BDB_GENERAL_FEATURES int_tv_support %d int_crt_support %d lvds_use_ssc %d lvds_ssc_freq %d display_clock_mode %d fdi_rx_polarity_inverted %d\n", dev_priv->int_tv_support, dev_priv->int_crt_support, dev_priv->lvds_use_ssc, dev_priv->lvds_ssc_freq, - dev_priv->display_clock_mode); + dev_priv->display_clock_mode, + dev_priv->fdi_rx_polarity_inverted); } } diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h index 36e57f934373..e088d6f0956a 100644 --- a/drivers/gpu/drm/i915/intel_bios.h +++ b/drivers/gpu/drm/i915/intel_bios.h @@ -127,7 +127,9 @@ struct bdb_general_features { /* bits 3 */ u8 disable_smooth_vision:1; u8 single_dvi:1; - u8 rsvd9:6; /* finish byte */ + u8 rsvd9:1; + u8 fdi_rx_polarity_inverted:1; + u8 rsvd10:4; /* finish byte */ /* bits 4 */ u8 legacy_monitor_detect; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index b20d50192fcc..c2d173a6c52f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7589,22 +7589,25 @@ intel_modeset_affected_pipes(struct drm_crtc *crtc, unsigned *modeset_pipes, if (crtc->enabled) *prepare_pipes |= 1 << intel_crtc->pipe; - /* We only support modeset on one single crtc, hence we need to do that - * only for the passed in crtc iff we change anything else than just - * disable crtcs. - * - * This is actually not true, to be fully compatible with the old crtc - * helper we automatically disable _any_ output (i.e. doesn't need to be - * connected to the crtc we're modesetting on) if it's disconnected. - * Which is a rather nutty api (since changed the output configuration - * without userspace's explicit request can lead to confusion), but - * alas. Hence we currently need to modeset on all pipes we prepare. */ + /* + * For simplicity do a full modeset on any pipe where the output routing + * changed. We could be more clever, but that would require us to be + * more careful with calling the relevant encoder->mode_set functions. + */ if (*prepare_pipes) *modeset_pipes = *prepare_pipes; /* ... and mask these out. */ *modeset_pipes &= ~(*disable_pipes); *prepare_pipes &= ~(*disable_pipes); + + /* + * HACK: We don't (yet) fully support global modesets. intel_set_config + * obies this rule, but the modeset restore mode of + * intel_modeset_setup_hw_state does not. + */ + *modeset_pipes &= 1 << intel_crtc->pipe; + *prepare_pipes &= 1 << intel_crtc->pipe; } static bool intel_crtc_in_use(struct drm_crtc *crtc) @@ -7771,9 +7774,9 @@ intel_modeset_check_state(struct drm_device *dev) } } -int intel_set_mode(struct drm_crtc *crtc, - struct drm_display_mode *mode, - int x, int y, struct drm_framebuffer *fb) +static int __intel_set_mode(struct drm_crtc *crtc, + struct drm_display_mode *mode, + int x, int y, struct drm_framebuffer *fb) { struct drm_device *dev = crtc->dev; drm_i915_private_t *dev_priv = dev->dev_private; @@ -7863,8 +7866,6 @@ done: if (ret && crtc->enabled) { crtc->hwmode = *saved_hwmode; crtc->mode = *saved_mode; - } else { - intel_modeset_check_state(dev); } out: @@ -7872,6 +7873,20 @@ out: return ret; } +int intel_set_mode(struct drm_crtc *crtc, + struct drm_display_mode *mode, + int x, int y, struct drm_framebuffer *fb) +{ + int ret; + + ret = __intel_set_mode(crtc, mode, x, y, fb); + + if (ret == 0) + intel_modeset_check_state(crtc->dev); + + return ret; +} + void intel_crtc_restore_mode(struct drm_crtc *crtc) { intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->fb); @@ -8314,7 +8329,7 @@ static void intel_setup_outputs(struct drm_device *dev) I915_WRITE(PFIT_CONTROL, 0); } - if (!(HAS_DDI(dev) && (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES))) + if (!IS_ULT(dev)) intel_crt_init(dev); if (HAS_DDI(dev)) { @@ -9172,8 +9187,16 @@ void intel_modeset_setup_hw_state(struct drm_device *dev, } if (force_restore) { + /* + * We need to use raw interfaces for restoring state to avoid + * checking (bogus) intermediate states. + */ for_each_pipe(pipe) { - intel_crtc_restore_mode(dev_priv->pipe_to_crtc_mapping[pipe]); + struct drm_crtc *crtc = + dev_priv->pipe_to_crtc_mapping[pipe]; + + __intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, + crtc->fb); } i915_redisable_vga(dev); @@ -9236,6 +9259,9 @@ void intel_modeset_cleanup(struct drm_device *dev) /* flush any delayed tasks or pending work */ flush_scheduled_work(); + /* destroy backlight, if any, before the connectors */ + intel_panel_destroy_backlight(dev); + drm_mode_config_cleanup(dev); intel_cleanup_overlay(dev); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 8fc93f90a7cd..b8e17e564013 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2538,17 +2538,14 @@ done: static void intel_dp_destroy(struct drm_connector *connector) { - struct drm_device *dev = connector->dev; struct intel_dp *intel_dp = intel_attached_dp(connector); struct intel_connector *intel_connector = to_intel_connector(connector); if (!IS_ERR_OR_NULL(intel_connector->edid)) kfree(intel_connector->edid); - if (is_edp(intel_dp)) { - intel_panel_destroy_backlight(dev); + if (is_edp(intel_dp)) intel_panel_fini(&intel_connector->panel); - } drm_sysfs_connector_remove(connector); drm_connector_cleanup(connector); diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index 00e70dbe82da..cc70b16d5d42 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -448,6 +448,7 @@ void intel_dvo_init(struct drm_device *dev) const struct intel_dvo_device *dvo = &intel_dvo_devices[i]; struct i2c_adapter *i2c; int gpio; + bool dvoinit; /* Allow the I2C driver info to specify the GPIO to be used in * special cases, but otherwise default to what's defined @@ -467,7 +468,17 @@ void intel_dvo_init(struct drm_device *dev) i2c = intel_gmbus_get_adapter(dev_priv, gpio); intel_dvo->dev = *dvo; - if (!dvo->dev_ops->init(&intel_dvo->dev, i2c)) + + /* GMBUS NAK handling seems to be unstable, hence let the + * transmitter detection run in bit banging mode for now. + */ + intel_gmbus_force_bit(i2c, true); + + dvoinit = dvo->dev_ops->init(&intel_dvo->dev, i2c); + + intel_gmbus_force_bit(i2c, false); + + if (!dvoinit) continue; intel_encoder->type = INTEL_OUTPUT_DVO; diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index 981bdce3634e..898832b9ee9c 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -261,10 +261,22 @@ void intel_fbdev_fini(struct drm_device *dev) void intel_fbdev_set_suspend(struct drm_device *dev, int state) { drm_i915_private_t *dev_priv = dev->dev_private; - if (!dev_priv->fbdev) + struct intel_fbdev *ifbdev = dev_priv->fbdev; + struct fb_info *info; + + if (!ifbdev) return; - fb_set_suspend(dev_priv->fbdev->helper.fbdev, state); + info = ifbdev->helper.fbdev; + + /* On resume from hibernation: If the object is shmemfs backed, it has + * been restored from swap. If the object is stolen however, it will be + * full of whatever garbage was left in there. + */ + if (!state && ifbdev->ifb.obj->stolen) + memset_io(info->screen_base, 0, info->screen_size); + + fb_set_suspend(info, state); } MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 3d1d97488cc9..e0d69852b0dd 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -618,7 +618,6 @@ static void intel_lvds_destroy(struct drm_connector *connector) if (!IS_ERR_OR_NULL(lvds_connector->base.edid)) kfree(lvds_connector->base.edid); - intel_panel_destroy_backlight(connector->dev); intel_panel_fini(&lvds_connector->base.panel); drm_sysfs_connector_remove(connector); @@ -850,6 +849,14 @@ static const struct dmi_system_id intel_no_lvds[] = { DMI_MATCH(DMI_PRODUCT_NAME, "X7SPA-H"), }, }, + { + .callback = intel_no_lvds_dmi_callback, + .ident = "Fujitsu Esprimo Q900", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Q900"), + }, + }, { } /* terminating entry */ }; diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index bee8cb6108a7..94d895b665d5 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -422,6 +422,9 @@ int intel_panel_setup_backlight(struct drm_connector *connector) intel_panel_init_backlight(dev); + if (WARN_ON(dev_priv->backlight)) + return -ENODEV; + memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_RAW; props.max_brightness = _intel_panel_get_max_backlight(dev); @@ -447,8 +450,10 @@ int intel_panel_setup_backlight(struct drm_connector *connector) void intel_panel_destroy_backlight(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - if (dev_priv->backlight) + if (dev_priv->backlight) { backlight_device_unregister(dev_priv->backlight); + dev_priv->backlight = NULL; + } } #else int intel_panel_setup_backlight(struct drm_connector *connector) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index adca00783e61..332b29e5641c 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3562,6 +3562,7 @@ static void cpt_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; int pipe; + uint32_t val; /* * On Ibex Peak and Cougar Point, we need to disable clock @@ -3574,8 +3575,12 @@ static void cpt_init_clock_gating(struct drm_device *dev) /* The below fixes the weird display corruption, a few pixels shifted * downward, on (only) LVDS of some HP laptops with IVY. */ - for_each_pipe(pipe) - I915_WRITE(TRANS_CHICKEN2(pipe), TRANS_CHICKEN2_TIMING_OVERRIDE); + for_each_pipe(pipe) { + val = TRANS_CHICKEN2_TIMING_OVERRIDE; + if (dev_priv->fdi_rx_polarity_inverted) + val |= TRANS_CHICKEN2_FDI_POLARITY_REVERSED; + I915_WRITE(TRANS_CHICKEN2(pipe), val); + } /* WADP0ClockGatingDisable */ for_each_pipe(pipe) { I915_WRITE(TRANS_CHICKEN1(pipe), diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index d07a8cdf998e..d6df786ee632 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1235,11 +1235,13 @@ static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder, struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base); + u16 active_outputs; u32 tmp; tmp = I915_READ(intel_sdvo->sdvo_reg); + intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs); - if (!(tmp & SDVO_ENABLE)) + if (!(tmp & SDVO_ENABLE) && (active_outputs == 0)) return false; if (HAS_PCH_CPT(dev)) @@ -2739,7 +2741,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) struct intel_sdvo *intel_sdvo; u32 hotplug_mask; int i; - intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL); if (!intel_sdvo) return false; diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index 4d932c46725d..8065919f9a62 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -115,6 +115,8 @@ struct mga_fbdev { void *sysram; int size; struct ttm_bo_kmap_obj mapping; + int x1, y1, x2, y2; /* dirty rect */ + spinlock_t dirty_lock; }; struct mga_crtc { diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c index d2253f639481..b0dad27cb6aa 100644 --- a/drivers/gpu/drm/mgag200/mgag200_fb.c +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c @@ -29,16 +29,52 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev, int bpp = (mfbdev->mfb.base.bits_per_pixel + 7)/8; int ret; bool unmap = false; + bool store_for_later = false; + int x2, y2; + unsigned long flags; obj = mfbdev->mfb.obj; bo = gem_to_mga_bo(obj); + /* + * try and reserve the BO, if we fail with busy + * then the BO is being moved and we should + * store up the damage until later. + */ ret = mgag200_bo_reserve(bo, true); if (ret) { - DRM_ERROR("failed to reserve fb bo\n"); + if (ret != -EBUSY) + return; + + store_for_later = true; + } + + x2 = x + width - 1; + y2 = y + height - 1; + spin_lock_irqsave(&mfbdev->dirty_lock, flags); + + if (mfbdev->y1 < y) + y = mfbdev->y1; + if (mfbdev->y2 > y2) + y2 = mfbdev->y2; + if (mfbdev->x1 < x) + x = mfbdev->x1; + if (mfbdev->x2 > x2) + x2 = mfbdev->x2; + + if (store_for_later) { + mfbdev->x1 = x; + mfbdev->x2 = x2; + mfbdev->y1 = y; + mfbdev->y2 = y2; + spin_unlock_irqrestore(&mfbdev->dirty_lock, flags); return; } + mfbdev->x1 = mfbdev->y1 = INT_MAX; + mfbdev->x2 = mfbdev->y2 = 0; + spin_unlock_irqrestore(&mfbdev->dirty_lock, flags); + if (!bo->kmap.virtual) { ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); if (ret) { @@ -48,10 +84,10 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev, } unmap = true; } - for (i = y; i < y + height; i++) { + for (i = y; i <= y2; i++) { /* assume equal stride for now */ src_offset = dst_offset = i * mfbdev->mfb.base.pitches[0] + (x * bpp); - memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, width * bpp); + memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, (x2 - x + 1) * bpp); } if (unmap) @@ -255,6 +291,7 @@ int mgag200_fbdev_init(struct mga_device *mdev) mdev->mfbdev = mfbdev; mfbdev->helper.funcs = &mga_fb_helper_funcs; + spin_lock_init(&mfbdev->dirty_lock); ret = drm_fb_helper_init(mdev->dev, &mfbdev->helper, mdev->num_crtc, MGAG200FB_CONN_LIMIT); diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 78d8e919509f..713dd700bdcd 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -189,12 +189,12 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp); + WREG8(DAC_DATA, tmp); WREG8(DAC_INDEX, MGA1064_REMHEADCTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_REMHEADCTL_CLKDIS; - WREG_DAC(MGA1064_REMHEADCTL, tmp); + WREG8(DAC_DATA, tmp); /* select PLL Set C */ tmp = RREG8(MGAREG_MEM_MISC_READ); @@ -204,7 +204,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN | 0x80; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); udelay(500); @@ -212,7 +212,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_VREF_CTL); tmp = RREG8(DAC_DATA); tmp &= ~0x04; - WREG_DAC(MGA1064_VREF_CTL, tmp); + WREG8(DAC_DATA, tmp); udelay(50); @@ -236,13 +236,13 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock) tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK; tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); WREG8(DAC_INDEX, MGA1064_REMHEADCTL); tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_REMHEADCTL_CLKSL_MSK; tmp |= MGA1064_REMHEADCTL_CLKSL_PLL; - WREG_DAC(MGA1064_REMHEADCTL, tmp); + WREG8(DAC_DATA, tmp); /* reset dotclock rate bit */ WREG8(MGAREG_SEQ_INDEX, 1); @@ -253,7 +253,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); vcount = RREG8(MGAREG_VCOUNT); @@ -318,7 +318,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp); + WREG8(DAC_DATA, tmp); tmp = RREG8(MGAREG_MEM_MISC_READ); tmp |= 0x3 << 2; @@ -326,12 +326,12 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_PLL_STAT); tmp = RREG8(DAC_DATA); - WREG_DAC(MGA1064_PIX_PLL_STAT, tmp & ~0x40); + WREG8(DAC_DATA, tmp & ~0x40); WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); WREG_DAC(MGA1064_EV_PIX_PLLC_M, m); WREG_DAC(MGA1064_EV_PIX_PLLC_N, n); @@ -342,7 +342,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_CLK_POW_DOWN; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); udelay(500); @@ -350,11 +350,11 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock) tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK; tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); WREG8(DAC_INDEX, MGA1064_PIX_PLL_STAT); tmp = RREG8(DAC_DATA); - WREG_DAC(MGA1064_PIX_PLL_STAT, tmp | 0x40); + WREG8(DAC_DATA, tmp | 0x40); tmp = RREG8(MGAREG_MEM_MISC_READ); tmp |= (0x3 << 2); @@ -363,7 +363,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); return 0; } @@ -416,7 +416,7 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp); + WREG8(DAC_DATA, tmp); tmp = RREG8(MGAREG_MEM_MISC_READ); tmp |= 0x3 << 2; @@ -425,7 +425,7 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); udelay(500); @@ -439,13 +439,13 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock) tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK; tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS; tmp &= ~MGA1064_PIX_CLK_CTL_CLK_POW_DOWN; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); vcount = RREG8(MGAREG_VCOUNT); @@ -515,12 +515,12 @@ static int mga_g200er_set_plls(struct mga_device *mdev, long clock) WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS; - WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp); + WREG8(DAC_DATA, tmp); WREG8(DAC_INDEX, MGA1064_REMHEADCTL); tmp = RREG8(DAC_DATA); tmp |= MGA1064_REMHEADCTL_CLKDIS; - WREG_DAC(MGA1064_REMHEADCTL, tmp); + WREG8(DAC_DATA, tmp); tmp = RREG8(MGAREG_MEM_MISC_READ); tmp |= (0x3<<2) | 0xc0; @@ -530,7 +530,7 @@ static int mga_g200er_set_plls(struct mga_device *mdev, long clock) tmp = RREG8(DAC_DATA); tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS; tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN; - WREG_DAC(MGA1064_PIX_CLK_CTL, tmp); + WREG8(DAC_DATA, tmp); udelay(500); @@ -657,12 +657,26 @@ static void mga_g200wb_commit(struct drm_crtc *crtc) WREG_DAC(MGA1064_GEN_IO_DATA, tmp); } - +/* + This is how the framebuffer base address is stored in g200 cards: + * Assume @offset is the gpu_addr variable of the framebuffer object + * Then addr is the number of _pixels_ (not bytes) from the start of + VRAM to the first pixel we want to display. (divided by 2 for 32bit + framebuffers) + * addr is stored in the CRTCEXT0, CRTCC and CRTCD registers + addr<20> -> CRTCEXT0<6> + addr<19-16> -> CRTCEXT0<3-0> + addr<15-8> -> CRTCC<7-0> + addr<7-0> -> CRTCD<7-0> + CRTCEXT0 has to be programmed last to trigger an update and make the + new addr variable take effect. + */ void mga_set_start_address(struct drm_crtc *crtc, unsigned offset) { struct mga_device *mdev = crtc->dev->dev_private; u32 addr; int count; + u8 crtcext0; while (RREG8(0x1fda) & 0x08); while (!(RREG8(0x1fda) & 0x08)); @@ -670,10 +684,17 @@ void mga_set_start_address(struct drm_crtc *crtc, unsigned offset) count = RREG8(MGAREG_VCOUNT) + 2; while (RREG8(MGAREG_VCOUNT) < count); - addr = offset >> 2; + WREG8(MGAREG_CRTCEXT_INDEX, 0); + crtcext0 = RREG8(MGAREG_CRTCEXT_DATA); + crtcext0 &= 0xB0; + addr = offset / 8; + /* Can't store addresses any higher than that... + but we also don't have more than 16MB of memory, so it should be fine. */ + WARN_ON(addr > 0x1fffff); + crtcext0 |= (!!(addr & (1<<20)))<<6; WREG_CRT(0x0d, (u8)(addr & 0xff)); WREG_CRT(0x0c, (u8)(addr >> 8) & 0xff); - WREG_CRT(0xaf, (u8)(addr >> 16) & 0xf); + WREG_ECRT(0x0, ((u8)(addr >> 16) & 0xf) | crtcext0); } diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c index 8fc9d9201945..401c9891d3a8 100644 --- a/drivers/gpu/drm/mgag200/mgag200_ttm.c +++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c @@ -315,8 +315,8 @@ int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait) ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); if (ret) { - if (ret != -ERESTARTSYS) - DRM_ERROR("reserve failed %p\n", bo); + if (ret != -ERESTARTSYS && ret != -EBUSY) + DRM_ERROR("reserve failed %p %d\n", bo, ret); return ret; } return 0; diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c index 9c41b58d57e2..ad6335f3f1fd 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c @@ -1926,8 +1926,8 @@ init_zm_mask_add(struct nvbios_init *init) trace("ZM_MASK_ADD\tR[0x%06x] &= 0x%08x += 0x%08x\n", addr, mask, add); init->offset += 13; - data = init_rd32(init, addr) & mask; - data |= ((data + add) & ~mask); + data = init_rd32(init, addr); + data = (data & mask) | ((data + add) & ~mask); init_wr32(init, addr, data); } diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c index 4393eb4d6564..2391b1b38597 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c @@ -138,7 +138,6 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_ENGINE_BSP ] = &nvc0_bsp_oclass; device->oclass[NVDEV_ENGINE_PPP ] = &nvc0_ppp_oclass; device->oclass[NVDEV_ENGINE_COPY0 ] = &nvc0_copy0_oclass; - device->oclass[NVDEV_ENGINE_COPY1 ] = &nvc0_copy1_oclass; device->oclass[NVDEV_ENGINE_DISP ] = &nva3_disp_oclass; break; case 0xce: @@ -225,7 +224,6 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_ENGINE_BSP ] = &nvc0_bsp_oclass; device->oclass[NVDEV_ENGINE_PPP ] = &nvc0_ppp_oclass; device->oclass[NVDEV_ENGINE_COPY0 ] = &nvc0_copy0_oclass; - device->oclass[NVDEV_ENGINE_COPY1 ] = &nvc0_copy1_oclass; device->oclass[NVDEV_ENGINE_DISP ] = &nva3_disp_oclass; break; case 0xc8: diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c index ac74d1bc67bf..1bdf7e1c3796 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c @@ -212,7 +212,6 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, * refcount on gem itself instead of f_count of dmabuf. */ drm_gem_object_reference(obj); - dma_buf_put(buffer); return obj; } } diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index 46a9c3772850..fb441a790f3d 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -1394,10 +1394,10 @@ int atom_allocate_fb_scratch(struct atom_context *ctx) firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset); DRM_DEBUG("atom firmware requested %08x %dkb\n", - firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware, - firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb); + le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware), + le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb)); - usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024; + usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024; } ctx->scratch_size_bytes = 0; if (usage_bytes == 0) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 21a892c6ab9c..6d6fdb3ba0d0 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -557,6 +557,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, /* use frac fb div on APUs */ if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev)) radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; + /* use frac fb div on RS780/RS880 */ + if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) + radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; if (ASIC_IS_DCE32(rdev) && mode->clock > 165000) radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; } else { diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 305a657bf215..0ea6bdf5fd7c 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -105,6 +105,27 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev) } } +static bool dce4_is_in_vblank(struct radeon_device *rdev, int crtc) +{ + if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK) + return true; + else + return false; +} + +static bool dce4_is_counter_moving(struct radeon_device *rdev, int crtc) +{ + u32 pos1, pos2; + + pos1 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]); + pos2 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]); + + if (pos1 != pos2) + return true; + else + return false; +} + /** * dce4_wait_for_vblank - vblank wait asic callback. * @@ -115,21 +136,28 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev) */ void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc) { - int i; + unsigned i = 0; if (crtc >= rdev->num_crtc) return; - if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN) { - for (i = 0; i < rdev->usec_timeout; i++) { - if (!(RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)) + if (!(RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN)) + return; + + /* depending on when we hit vblank, we may be close to active; if so, + * wait for another frame. + */ + while (dce4_is_in_vblank(rdev, crtc)) { + if (i++ % 100 == 0) { + if (!dce4_is_counter_moving(rdev, crtc)) break; - udelay(1); } - for (i = 0; i < rdev->usec_timeout; i++) { - if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK) + } + + while (!dce4_is_in_vblank(rdev, crtc)) { + if (i++ % 100 == 0) { + if (!dce4_is_counter_moving(rdev, crtc)) break; - udelay(1); } } } @@ -608,6 +636,16 @@ void evergreen_hpd_init(struct radeon_device *rdev) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); + + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || + connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { + /* don't try to enable hpd on eDP or LVDS avoid breaking the + * aux dp channel on imac and help (but not completely fix) + * https://bugzilla.redhat.com/show_bug.cgi?id=726143 + * also avoid interrupt storms during dpms. + */ + continue; + } switch (radeon_connector->hpd.hpd) { case RADEON_HPD_1: WREG32(DC_HPD1_CONTROL, tmp); @@ -1325,17 +1363,16 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]); if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) { radeon_wait_for_vblank(rdev, i); - tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); + tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp); - WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } } else { tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) { radeon_wait_for_vblank(rdev, i); - tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); + tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } @@ -1347,6 +1384,15 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav break; udelay(1); } + + /* XXX this is a hack to avoid strange behavior with EFI on certain systems */ + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); + tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); + tmp &= ~EVERGREEN_CRTC_MASTER_EN; + WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); + save->crtc_enabled[i] = false; + /* ***** */ } else { save->crtc_enabled[i] = false; } @@ -1364,6 +1410,22 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav } /* wait for the MC to settle */ udelay(100); + + /* lock double buffered regs */ + for (i = 0; i < rdev->num_crtc; i++) { + if (save->crtc_enabled[i]) { + tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]); + if (!(tmp & EVERGREEN_GRPH_UPDATE_LOCK)) { + tmp |= EVERGREEN_GRPH_UPDATE_LOCK; + WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp); + } + tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]); + if (!(tmp & 1)) { + tmp |= 1; + WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp); + } + } + } } void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save) @@ -1385,6 +1447,33 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start); + /* unlock regs and wait for update */ + for (i = 0; i < rdev->num_crtc; i++) { + if (save->crtc_enabled[i]) { + tmp = RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]); + if ((tmp & 0x3) != 0) { + tmp &= ~0x3; + WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i], tmp); + } + tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]); + if (tmp & EVERGREEN_GRPH_UPDATE_LOCK) { + tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK; + WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp); + } + tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]); + if (tmp & 1) { + tmp &= ~1; + WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp); + } + for (j = 0; j < rdev->usec_timeout; j++) { + tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]); + if ((tmp & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING) == 0) + break; + udelay(1); + } + } + } + /* unblackout the MC */ tmp = RREG32(MC_SHARED_BLACKOUT_CNTL); tmp &= ~BLACKOUT_MODE_MASK; @@ -2311,8 +2400,8 @@ int evergreen_mc_init(struct radeon_device *rdev) rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); } else { /* size in MB on evergreen/cayman/tn */ - rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; - rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; + rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; + rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; } rdev->mc.visible_vram_size = rdev->mc.aper_size; r700_vram_gtt_location(rdev, &rdev->mc); diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h index f585be16e2d5..881aba23c477 100644 --- a/drivers/gpu/drm/radeon/evergreen_reg.h +++ b/drivers/gpu/drm/radeon/evergreen_reg.h @@ -226,6 +226,8 @@ #define EVERGREEN_CRTC_STATUS_HV_COUNT 0x6ea0 #define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8 #define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4 +#define EVERGREEN_MASTER_UPDATE_LOCK 0x6ef4 +#define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8 #define EVERGREEN_DC_GPIO_HPD_MASK 0x64b0 #define EVERGREEN_DC_GPIO_HPD_A 0x64b4 diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 27769e724b6d..0a32d89e627a 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -473,7 +473,8 @@ static void cayman_gpu_init(struct radeon_device *rdev) (rdev->pdev->device == 0x990F) || (rdev->pdev->device == 0x9910) || (rdev->pdev->device == 0x9917) || - (rdev->pdev->device == 0x9999)) { + (rdev->pdev->device == 0x9999) || + (rdev->pdev->device == 0x999C)) { rdev->config.cayman.max_simds_per_se = 6; rdev->config.cayman.max_backends_per_se = 2; } else if ((rdev->pdev->device == 0x9903) || @@ -482,7 +483,8 @@ static void cayman_gpu_init(struct radeon_device *rdev) (rdev->pdev->device == 0x990D) || (rdev->pdev->device == 0x990E) || (rdev->pdev->device == 0x9913) || - (rdev->pdev->device == 0x9918)) { + (rdev->pdev->device == 0x9918) || + (rdev->pdev->device == 0x999D)) { rdev->config.cayman.max_simds_per_se = 4; rdev->config.cayman.max_backends_per_se = 2; } else if ((rdev->pdev->device == 0x9919) || @@ -621,6 +623,8 @@ static void cayman_gpu_init(struct radeon_device *rdev) WREG32(GB_ADDR_CONFIG, gb_addr_config); WREG32(DMIF_ADDR_CONFIG, gb_addr_config); + if (ASIC_IS_DCE6(rdev)) + WREG32(DMIF_ADDR_CALC, gb_addr_config); WREG32(HDP_ADDR_CONFIG, gb_addr_config); WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config); WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config); diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index 079dee202a9e..445b235c4323 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -45,6 +45,10 @@ #define ARUBA_GB_ADDR_CONFIG_GOLDEN 0x12010001 #define DMIF_ADDR_CONFIG 0xBD4 + +/* DCE6 only */ +#define DMIF_ADDR_CALC 0xC00 + #define SRBM_GFX_CNTL 0x0E44 #define RINGID(x) (((x) & 0x3) << 0) #define VMID(x) (((x) & 0x7) << 0) diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 9db58530be37..4973bff37fec 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -69,6 +69,38 @@ MODULE_FIRMWARE(FIRMWARE_R520); * and others in some cases. */ +static bool r100_is_in_vblank(struct radeon_device *rdev, int crtc) +{ + if (crtc == 0) { + if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR) + return true; + else + return false; + } else { + if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR) + return true; + else + return false; + } +} + +static bool r100_is_counter_moving(struct radeon_device *rdev, int crtc) +{ + u32 vline1, vline2; + + if (crtc == 0) { + vline1 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; + vline2 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; + } else { + vline1 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; + vline2 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; + } + if (vline1 != vline2) + return true; + else + return false; +} + /** * r100_wait_for_vblank - vblank wait asic callback. * @@ -79,36 +111,33 @@ MODULE_FIRMWARE(FIRMWARE_R520); */ void r100_wait_for_vblank(struct radeon_device *rdev, int crtc) { - int i; + unsigned i = 0; if (crtc >= rdev->num_crtc) return; if (crtc == 0) { - if (RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN) { - for (i = 0; i < rdev->usec_timeout; i++) { - if (!(RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)) - break; - udelay(1); - } - for (i = 0; i < rdev->usec_timeout; i++) { - if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR) - break; - udelay(1); - } - } + if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN)) + return; } else { - if (RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN) { - for (i = 0; i < rdev->usec_timeout; i++) { - if (!(RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)) - break; - udelay(1); - } - for (i = 0; i < rdev->usec_timeout; i++) { - if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR) - break; - udelay(1); - } + if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN)) + return; + } + + /* depending on when we hit vblank, we may be close to active; if so, + * wait for another frame. + */ + while (r100_is_in_vblank(rdev, crtc)) { + if (i++ % 100 == 0) { + if (!r100_is_counter_moving(rdev, crtc)) + break; + } + } + + while (!r100_is_in_vblank(rdev, crtc)) { + if (i++ % 100 == 0) { + if (!r100_is_counter_moving(rdev, crtc)) + break; } } } diff --git a/drivers/gpu/drm/radeon/r300_cmdbuf.c b/drivers/gpu/drm/radeon/r300_cmdbuf.c index 865e2c9980db..60170ea5e3a2 100644 --- a/drivers/gpu/drm/radeon/r300_cmdbuf.c +++ b/drivers/gpu/drm/radeon/r300_cmdbuf.c @@ -75,7 +75,7 @@ static int r300_emit_cliprects(drm_radeon_private_t *dev_priv, OUT_RING(CP_PACKET0(R300_RE_CLIPRECT_TL_0, nr * 2 - 1)); for (i = 0; i < nr; ++i) { - if (DRM_COPY_FROM_USER_UNCHECKED + if (DRM_COPY_FROM_USER (&box, &cmdbuf->boxes[n + i], sizeof(box))) { DRM_ERROR("copy cliprect faulted\n"); return -EFAULT; diff --git a/drivers/gpu/drm/radeon/r500_reg.h b/drivers/gpu/drm/radeon/r500_reg.h index c0dc8d3ba0bb..1dd0d32993d5 100644 --- a/drivers/gpu/drm/radeon/r500_reg.h +++ b/drivers/gpu/drm/radeon/r500_reg.h @@ -358,7 +358,9 @@ #define AVIVO_D1CRTC_STATUS_HV_COUNT 0x60ac #define AVIVO_D1CRTC_STEREO_CONTROL 0x60c4 +#define AVIVO_D1MODE_MASTER_UPDATE_LOCK 0x60e0 #define AVIVO_D1MODE_MASTER_UPDATE_MODE 0x60e4 +#define AVIVO_D1CRTC_UPDATE_LOCK 0x60e8 /* master controls */ #define AVIVO_DC_CRTC_MASTER_EN 0x60f8 diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index 21ecc0e12dc4..85208336cbcd 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -433,7 +433,7 @@ void r600_hdmi_enable(struct drm_encoder *encoder) offset = dig->afmt->offset; /* Older chipsets require setting HDMI and routing manually */ - if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) { + if (ASIC_IS_DCE2(rdev) && !ASIC_IS_DCE3(rdev)) { hdmi = HDMI0_ERROR_ACK | HDMI0_ENABLE; switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: @@ -501,7 +501,7 @@ void r600_hdmi_disable(struct drm_encoder *encoder) radeon_irq_kms_disable_afmt(rdev, dig->afmt->id); /* Older chipsets not handled by AtomBIOS */ - if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) { + if (ASIC_IS_DCE2(rdev) && !ASIC_IS_DCE3(rdev)) { switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: WREG32_P(AVIVO_TMDSA_CNTL, 0, diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index f22eb5713528..96168ef4ab19 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -2028,6 +2028,8 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev) num_modes = power_info->info.ucNumOfPowerModeEntries; if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK) num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK; + if (num_modes == 0) + return state_index; rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * num_modes, GFP_KERNEL); if (!rdev->pm.power_state) return state_index; @@ -2432,6 +2434,8 @@ static int radeon_atombios_parse_power_table_4_5(struct radeon_device *rdev) power_info = (union power_info *)(mode_info->atom_context->bios + data_offset); radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController); + if (power_info->pplib.ucNumStates == 0) + return state_index; rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * power_info->pplib.ucNumStates, GFP_KERNEL); if (!rdev->pm.power_state) @@ -2514,6 +2518,7 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev) int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); u16 data_offset; u8 frev, crev; + u8 *power_state_offset; if (!atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset)) @@ -2530,15 +2535,17 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev) non_clock_info_array = (struct _NonClockInfoArray *) (mode_info->atom_context->bios + data_offset + le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset)); + if (state_array->ucNumEntries == 0) + return state_index; rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * state_array->ucNumEntries, GFP_KERNEL); if (!rdev->pm.power_state) return state_index; + power_state_offset = (u8 *)state_array->states; for (i = 0; i < state_array->ucNumEntries; i++) { mode_index = 0; - power_state = (union pplib_power_state *)&state_array->states[i]; - /* XXX this might be an inagua bug... */ - non_clock_array_index = i; /* power_state->v2.nonClockInfoIndex */ + power_state = (union pplib_power_state *)power_state_offset; + non_clock_array_index = power_state->v2.nonClockInfoIndex; non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) &non_clock_info_array->nonClockInfo[non_clock_array_index]; rdev->pm.power_state[i].clock_info = kzalloc(sizeof(struct radeon_pm_clock_info) * @@ -2550,9 +2557,6 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev) if (power_state->v2.ucNumDPMLevels) { for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) { clock_array_index = power_state->v2.clockInfoIndex[j]; - /* XXX this might be an inagua bug... */ - if (clock_array_index >= clock_info_array->ucNumEntries) - continue; clock_info = (union pplib_clock_info *) &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize]; valid = radeon_atombios_parse_pplib_clock_info(rdev, @@ -2574,6 +2578,7 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev) non_clock_info); state_index++; } + power_state_offset += 2 + power_state->v2.ucNumDPMLevels; } /* if multiple clock modes, mark the lowest as no display */ for (i = 0; i < state_index; i++) { @@ -2620,7 +2625,9 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev) default: break; } - } else { + } + + if (state_index == 0) { rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state), GFP_KERNEL); if (rdev->pm.power_state) { rdev->pm.power_state[0].clock_info = diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 44b8034a400d..5073665d161a 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -435,18 +435,17 @@ bool radeon_card_posted(struct radeon_device *rdev) return false; /* first check CRTCs */ - if (ASIC_IS_DCE41(rdev)) { + if (ASIC_IS_DCE4(rdev)) { reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); - if (reg & EVERGREEN_CRTC_MASTER_EN) - return true; - } else if (ASIC_IS_DCE4(rdev)) { - reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); + if (rdev->num_crtc >= 4) { + reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET); + } + if (rdev->num_crtc >= 6) { + reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); + } if (reg & EVERGREEN_CRTC_MASTER_EN) return true; } else if (ASIC_IS_AVIVO(rdev)) { diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 66a7f0fd9620..96cf43901b5b 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -144,7 +144,7 @@ static inline void radeon_unregister_atpx_handler(void) {} #endif int radeon_no_wb; -int radeon_modeset = 1; +int radeon_modeset = -1; int radeon_dynclks = -1; int radeon_r4xx_atom = 0; int radeon_agpmode = 0; @@ -449,6 +449,16 @@ static struct pci_driver radeon_kms_pci_driver = { static int __init radeon_init(void) { +#ifdef CONFIG_VGA_CONSOLE + if (vgacon_text_force() && radeon_modeset == -1) { + DRM_INFO("VGACON disable radeon kernel modesetting.\n"); + radeon_modeset = 0; + } +#endif + /* set to modesetting by default if not nomodeset */ + if (radeon_modeset == -1) + radeon_modeset = 1; + if (radeon_modeset == 1) { DRM_INFO("radeon kernel modesetting enabled.\n"); driver = &kms_driver; diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index c75cb2c6ba71..c5b2765cbf10 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -50,9 +50,13 @@ int radeon_driver_unload_kms(struct drm_device *dev) if (rdev == NULL) return 0; + if (rdev->rmmio == NULL) + goto done_free; radeon_acpi_fini(rdev); radeon_modeset_fini(rdev); radeon_device_fini(rdev); + +done_free: kfree(rdev); dev->dev_private = NULL; return 0; diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 338fd6a74e87..788c64cb4b47 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -843,7 +843,11 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data) struct radeon_device *rdev = dev->dev_private; seq_printf(m, "default engine clock: %u0 kHz\n", rdev->pm.default_sclk); - seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev)); + /* radeon_get_engine_clock is not reliable on APUs so just print the current clock */ + if ((rdev->family >= CHIP_PALM) && (rdev->flags & RADEON_IS_IGP)) + seq_printf(m, "current engine clock: %u0 kHz\n", rdev->pm.current_sclk); + else + seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev)); seq_printf(m, "default memory clock: %u0 kHz\n", rdev->pm.default_mclk); if (rdev->asic->pm.get_memory_clock) seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev)); diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 8d58e268ff6d..1ef5eaac6aba 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -180,7 +180,8 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib, radeon_semaphore_free(rdev, &ib->semaphore, NULL); } /* if we can't remember our last VM flush then flush now! */ - if (ib->vm && !ib->vm->last_flush) { + /* XXX figure out why we have to flush for every IB */ + if (ib->vm /*&& !ib->vm->last_flush*/) { radeon_ring_vm_flush(rdev, ib->ring, ib->vm); } if (const_ib) { diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 93f760e27a92..6c0ce8915fac 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -726,7 +726,7 @@ int radeon_ttm_init(struct radeon_device *rdev) return r; } DRM_INFO("radeon: %uM of VRAM memory ready\n", - (unsigned)rdev->mc.real_vram_size / (1024 * 1024)); + (unsigned) (rdev->mc.real_vram_size / (1024 * 1024))); r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT, rdev->mc.gtt_size >> PAGE_SHIFT); if (r) { diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 5a0fc74c2ba6..46fa1b07c560 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -52,23 +52,59 @@ static const u32 crtc_offsets[2] = AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL }; +static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc) +{ + if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK) + return true; + else + return false; +} + +static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc) +{ + u32 pos1, pos2; + + pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]); + pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]); + + if (pos1 != pos2) + return true; + else + return false; +} + +/** + * avivo_wait_for_vblank - vblank wait asic callback. + * + * @rdev: radeon_device pointer + * @crtc: crtc to wait for vblank on + * + * Wait for vblank on the requested crtc (r5xx-r7xx). + */ void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc) { - int i; + unsigned i = 0; if (crtc >= rdev->num_crtc) return; - if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN) { - for (i = 0; i < rdev->usec_timeout; i++) { - if (!(RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)) + if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN)) + return; + + /* depending on when we hit vblank, we may be close to active; if so, + * wait for another frame. + */ + while (avivo_is_in_vblank(rdev, crtc)) { + if (i++ % 100 == 0) { + if (!avivo_is_counter_moving(rdev, crtc)) break; - udelay(1); } - for (i = 0; i < rdev->usec_timeout; i++) { - if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK) + } + + while (!avivo_is_in_vblank(rdev, crtc)) { + if (i++ % 100 == 0) { + if (!avivo_is_counter_moving(rdev, crtc)) break; - udelay(1); } } } diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c index 435ed3551364..ffcba730c57c 100644 --- a/drivers/gpu/drm/radeon/rv515.c +++ b/drivers/gpu/drm/radeon/rv515.c @@ -303,8 +303,10 @@ void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save) tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]); if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) { radeon_wait_for_vblank(rdev, i); + WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1); tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp); + WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } /* wait for the next frame */ frame_count = radeon_get_vblank_counter(rdev, i); @@ -313,6 +315,15 @@ void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save) break; udelay(1); } + + /* XXX this is a hack to avoid strange behavior with EFI on certain systems */ + WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1); + tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]); + tmp &= ~AVIVO_CRTC_EN; + WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp); + WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0); + save->crtc_enabled[i] = false; + /* ***** */ } else { save->crtc_enabled[i] = false; } @@ -338,6 +349,22 @@ void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save) } /* wait for the MC to settle */ udelay(100); + + /* lock double buffered regs */ + for (i = 0; i < rdev->num_crtc; i++) { + if (save->crtc_enabled[i]) { + tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]); + if (!(tmp & AVIVO_D1GRPH_UPDATE_LOCK)) { + tmp |= AVIVO_D1GRPH_UPDATE_LOCK; + WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp); + } + tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]); + if (!(tmp & 1)) { + tmp |= 1; + WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp); + } + } + } } void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save) @@ -348,7 +375,7 @@ void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save) /* update crtc base addresses */ for (i = 0; i < rdev->num_crtc; i++) { if (rdev->family >= CHIP_RV770) { - if (i == 1) { + if (i == 0) { WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start)); WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, @@ -367,6 +394,33 @@ void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save) } WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start); + /* unlock regs and wait for update */ + for (i = 0; i < rdev->num_crtc; i++) { + if (save->crtc_enabled[i]) { + tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]); + if ((tmp & 0x3) != 0) { + tmp &= ~0x3; + WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp); + } + tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]); + if (tmp & AVIVO_D1GRPH_UPDATE_LOCK) { + tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK; + WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp); + } + tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]); + if (tmp & 1) { + tmp &= ~1; + WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp); + } + for (j = 0; j < rdev->usec_timeout; j++) { + tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]); + if ((tmp & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) == 0) + break; + udelay(1); + } + } + } + if (rdev->family >= CHIP_R600) { /* unblackout the MC */ if (rdev->family >= CHIP_RV770) diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index bafbe3216952..aefefd5000ee 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -1463,7 +1463,7 @@ static void si_select_se_sh(struct radeon_device *rdev, u32 data = INSTANCE_BROADCAST_WRITES; if ((se_num == 0xffffffff) && (sh_num == 0xffffffff)) - data = SH_BROADCAST_WRITES | SE_BROADCAST_WRITES; + data |= SH_BROADCAST_WRITES | SE_BROADCAST_WRITES; else if (se_num == 0xffffffff) data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num); else if (sh_num == 0xffffffff) @@ -1645,7 +1645,7 @@ static void si_gpu_init(struct radeon_device *rdev) default: rdev->config.si.max_shader_engines = 1; rdev->config.si.max_tile_pipes = 4; - rdev->config.si.max_cu_per_sh = 2; + rdev->config.si.max_cu_per_sh = 5; rdev->config.si.max_sh_per_se = 2; rdev->config.si.max_backends_per_se = 4; rdev->config.si.max_texture_channel_caches = 4; @@ -1765,6 +1765,7 @@ static void si_gpu_init(struct radeon_device *rdev) WREG32(GB_ADDR_CONFIG, gb_addr_config); WREG32(DMIF_ADDR_CONFIG, gb_addr_config); + WREG32(DMIF_ADDR_CALC, gb_addr_config); WREG32(HDP_ADDR_CONFIG, gb_addr_config); WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config); WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config); @@ -2643,8 +2644,8 @@ static int si_mc_init(struct radeon_device *rdev) rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); /* size in MB on si */ - rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; - rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; + rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; + rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; rdev->mc.visible_vram_size = rdev->mc.aper_size; si_vram_gtt_location(rdev, &rdev->mc); radeon_update_bandwidth_info(rdev); diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 23fc08fc8e7f..f84cff0aafcc 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -65,6 +65,8 @@ #define DMIF_ADDR_CONFIG 0xBD4 +#define DMIF_ADDR_CALC 0xC00 + #define SRBM_STATUS 0xE50 #define GRBM_RQ_PENDING (1 << 5) #define VMC_BUSY (1 << 8) diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index c5b592dc1970..bfac5827c9b2 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -75,7 +75,7 @@ static int modeset_init(struct drm_device *dev) mod->funcs->modeset_init(mod, dev); } - if ((priv->num_encoders = 0) || (priv->num_connectors == 0)) { + if ((priv->num_encoders == 0) || (priv->num_connectors == 0)) { /* oh nos! */ dev_err(dev->dev, "no encoders/connectors found\n"); return -ENXIO; diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c index 3816270ba49b..ef034fa3e6f5 100644 --- a/drivers/gpu/drm/udl/udl_gem.c +++ b/drivers/gpu/drm/udl/udl_gem.c @@ -303,6 +303,8 @@ struct drm_gem_object *udl_gem_prime_import(struct drm_device *dev, if (IS_ERR(attach)) return ERR_CAST(attach); + get_dma_buf(dma_buf); + sg = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); if (IS_ERR(sg)) { ret = PTR_ERR(sg); @@ -322,5 +324,7 @@ fail_unmap: dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL); fail_detach: dma_buf_detach(dma_buf, attach); + dma_buf_put(dma_buf); + return ERR_PTR(ret); } diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index aa341d135867..e6dbf092adcc 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1702,6 +1702,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index ff1be167eb04..421d6078d815 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -318,7 +318,7 @@ static u32 get_vp_index(uuid_le *type_guid) return 0; } cur_cpu = (++next_vp % max_cpus); - return cur_cpu; + return hv_context.vp_index[cur_cpu]; } /* diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index cafa72ffdc30..d6fbb5772b8d 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -71,6 +71,7 @@ u32 hv_end_read(struct hv_ring_buffer_info *rbi) static bool hv_need_to_signal(u32 old_write, struct hv_ring_buffer_info *rbi) { + smp_mb(); if (rbi->ring_buffer->interrupt_mask) return false; diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c index 6119ff8e8c87..f3b3488e5a56 100644 --- a/drivers/hwmon/abituguru.c +++ b/drivers/hwmon/abituguru.c @@ -1411,14 +1411,18 @@ static int abituguru_probe(struct platform_device *pdev) pr_info("found Abit uGuru\n"); /* Register sysfs hooks */ - for (i = 0; i < sysfs_attr_i; i++) - if (device_create_file(&pdev->dev, - &data->sysfs_attr[i].dev_attr)) + for (i = 0; i < sysfs_attr_i; i++) { + res = device_create_file(&pdev->dev, + &data->sysfs_attr[i].dev_attr); + if (res) goto abituguru_probe_error; - for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++) - if (device_create_file(&pdev->dev, - &abituguru_sysfs_attr[i].dev_attr)) + } + for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++) { + res = device_create_file(&pdev->dev, + &abituguru_sysfs_attr[i].dev_attr); + if (res) goto abituguru_probe_error; + } data->hwmon_dev = hwmon_device_register(&pdev->dev); if (!IS_ERR(data->hwmon_dev)) diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index 94fd81875409..2db362854d7f 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -361,7 +361,8 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev) /* Enable the adapter */ dw_writel(dev, 1, DW_IC_ENABLE); - /* Enable interrupts */ + /* Clear and enable interrupts */ + i2c_dw_clear_int(dev); dw_writel(dev, DW_IC_INTR_DEFAULT_MASK, DW_IC_INTR_MASK); } @@ -426,8 +427,14 @@ i2c_dw_xfer_msg(struct dw_i2c_dev *dev) cmd |= BIT(9); if (msgs[dev->msg_write_idx].flags & I2C_M_RD) { + + /* avoid rx buffer overrun */ + if (rx_limit - dev->rx_outstanding <= 0) + break; + dw_writel(dev, cmd | 0x100, DW_IC_DATA_CMD); rx_limit--; + dev->rx_outstanding++; } else dw_writel(dev, cmd | *buf++, DW_IC_DATA_CMD); tx_limit--; buf_len--; @@ -480,8 +487,10 @@ i2c_dw_read(struct dw_i2c_dev *dev) rx_valid = dw_readl(dev, DW_IC_RXFLR); - for (; len > 0 && rx_valid > 0; len--, rx_valid--) + for (; len > 0 && rx_valid > 0; len--, rx_valid--) { *buf++ = dw_readl(dev, DW_IC_DATA_CMD); + dev->rx_outstanding--; + } if (len > 0) { dev->status |= STATUS_READ_IN_PROGRESS; @@ -539,6 +548,7 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) dev->msg_err = 0; dev->status = STATUS_IDLE; dev->abort_source = 0; + dev->rx_outstanding = 0; ret = i2c_dw_wait_bus_not_busy(dev); if (ret < 0) diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h index 9c1840ee09c7..e761ad18dd61 100644 --- a/drivers/i2c/busses/i2c-designware-core.h +++ b/drivers/i2c/busses/i2c-designware-core.h @@ -60,6 +60,7 @@ * @adapter: i2c subsystem adapter node * @tx_fifo_depth: depth of the hardware tx fifo * @rx_fifo_depth: depth of the hardware rx fifo + * @rx_outstanding: current master-rx elements in tx fifo */ struct dw_i2c_dev { struct device *dev; @@ -88,6 +89,7 @@ struct dw_i2c_dev { u32 master_cfg; unsigned int tx_fifo_depth; unsigned int rx_fifo_depth; + int rx_outstanding; }; #define ACCESS_SWAP 0x00000001 diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 332c720fb3fe..3d0f0520c1b4 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -312,10 +312,8 @@ static void xiic_fill_tx_fifo(struct xiic_i2c *i2c) /* last message in transfer -> STOP */ data |= XIIC_TX_DYN_STOP_MASK; dev_dbg(i2c->adap.dev.parent, "%s TX STOP\n", __func__); - - xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, data); - } else - xiic_setreg8(i2c, XIIC_DTR_REG_OFFSET, data); + } + xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, data); } } diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index 70b1808a08f4..ed49ab345b6e 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -100,6 +100,16 @@ static int alloc_host_sq(struct c4iw_rdev *rdev, struct t4_sq *sq) return 0; } +static int alloc_sq(struct c4iw_rdev *rdev, struct t4_sq *sq, int user) +{ + int ret = -ENOSYS; + if (user) + ret = alloc_oc_sq(rdev, sq); + if (ret) + ret = alloc_host_sq(rdev, sq); + return ret; +} + static int destroy_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, struct c4iw_dev_ucontext *uctx) { @@ -168,18 +178,9 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, goto free_sw_rq; } - if (user) { - ret = alloc_oc_sq(rdev, &wq->sq); - if (ret) - goto free_hwaddr; - - ret = alloc_host_sq(rdev, &wq->sq); - if (ret) - goto free_sq; - } else - ret = alloc_host_sq(rdev, &wq->sq); - if (ret) - goto free_hwaddr; + ret = alloc_sq(rdev, &wq->sq, user); + if (ret) + goto free_hwaddr; memset(wq->sq.queue, 0, wq->sq.memsize); dma_unmap_addr_set(&wq->sq, mapping, wq->sq.dma_addr); diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index be1edb04b085..68ebb7fe072a 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -416,8 +416,9 @@ int iser_reg_rdma_mem(struct iscsi_iser_task *iser_task, for (i=0 ; i<ib_conn->page_vec->length ; i++) iser_err("page_vec[%d] = 0x%llx\n", i, (unsigned long long) ib_conn->page_vec->pages[i]); - return err; } + if (err) + return err; } return 0; } diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index c09d41b1a2ff..b4a76d18a4f6 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -2227,6 +2227,27 @@ static void srpt_close_ch(struct srpt_rdma_ch *ch) } /** + * srpt_shutdown_session() - Whether or not a session may be shut down. + */ +static int srpt_shutdown_session(struct se_session *se_sess) +{ + struct srpt_rdma_ch *ch = se_sess->fabric_sess_ptr; + unsigned long flags; + + spin_lock_irqsave(&ch->spinlock, flags); + if (ch->in_shutdown) { + spin_unlock_irqrestore(&ch->spinlock, flags); + return true; + } + + ch->in_shutdown = true; + target_sess_cmd_list_set_waiting(se_sess); + spin_unlock_irqrestore(&ch->spinlock, flags); + + return true; +} + +/** * srpt_drain_channel() - Drain a channel by resetting the IB queue pair. * @cm_id: Pointer to the CM ID of the channel to be drained. * @@ -2264,6 +2285,9 @@ static void srpt_drain_channel(struct ib_cm_id *cm_id) spin_unlock_irq(&sdev->spinlock); if (do_reset) { + if (ch->sess) + srpt_shutdown_session(ch->sess); + ret = srpt_ch_qp_err(ch); if (ret < 0) printk(KERN_ERR "Setting queue pair in error state" @@ -3467,14 +3491,6 @@ static void srpt_release_cmd(struct se_cmd *se_cmd) } /** - * srpt_shutdown_session() - Whether or not a session may be shut down. - */ -static int srpt_shutdown_session(struct se_session *se_sess) -{ - return true; -} - -/** * srpt_close_session() - Forcibly close a session. * * Callback function invoked by the TCM core to clean up sessions associated diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h index 4caf55cda7b1..3dae156905de 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.h +++ b/drivers/infiniband/ulp/srpt/ib_srpt.h @@ -325,6 +325,7 @@ struct srpt_rdma_ch { u8 sess_name[36]; struct work_struct release_work; struct completion *release_done; + bool in_shutdown; }; /** diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c index 17c9097f3b5d..39f3df8670c3 100644 --- a/drivers/input/touchscreen/egalax_ts.c +++ b/drivers/input/touchscreen/egalax_ts.c @@ -216,7 +216,7 @@ static int egalax_ts_probe(struct i2c_client *client, input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, EGALAX_MAX_X, 0, 0); input_set_abs_params(input_dev, - ABS_MT_POSITION_X, 0, EGALAX_MAX_Y, 0, 0); + ABS_MT_POSITION_Y, 0, EGALAX_MAX_Y, 0, 0); input_mt_init_slots(input_dev, MAX_SUPPORT_POINTS, 0); input_set_drvdata(input_dev, ts); diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index b287ca33833d..1a5285b8c0e3 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -700,11 +700,23 @@ retry: static void iommu_poll_events(struct amd_iommu *iommu) { - u32 head, tail; + u32 head, tail, status; unsigned long flags; spin_lock_irqsave(&iommu->lock, flags); + /* enable event interrupts again */ + do { + /* + * Workaround for Erratum ERBT1312 + * Clearing the EVT_INT bit may race in the hardware, so read + * it again and make sure it was really cleared + */ + status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET); + writel(MMIO_STATUS_EVT_INT_MASK, + iommu->mmio_base + MMIO_STATUS_OFFSET); + } while (status & MMIO_STATUS_EVT_INT_MASK); + head = readl(iommu->mmio_base + MMIO_EVT_HEAD_OFFSET); tail = readl(iommu->mmio_base + MMIO_EVT_TAIL_OFFSET); @@ -741,16 +753,25 @@ static void iommu_handle_ppr_entry(struct amd_iommu *iommu, u64 *raw) static void iommu_poll_ppr_log(struct amd_iommu *iommu) { unsigned long flags; - u32 head, tail; + u32 head, tail, status; if (iommu->ppr_log == NULL) return; - /* enable ppr interrupts again */ - writel(MMIO_STATUS_PPR_INT_MASK, iommu->mmio_base + MMIO_STATUS_OFFSET); - spin_lock_irqsave(&iommu->lock, flags); + /* enable ppr interrupts again */ + do { + /* + * Workaround for Erratum ERBT1312 + * Clearing the PPR_INT bit may race in the hardware, so read + * it again and make sure it was really cleared + */ + status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET); + writel(MMIO_STATUS_PPR_INT_MASK, + iommu->mmio_base + MMIO_STATUS_OFFSET); + } while (status & MMIO_STATUS_PPR_INT_MASK); + head = readl(iommu->mmio_base + MMIO_PPR_HEAD_OFFSET); tail = readl(iommu->mmio_base + MMIO_PPR_TAIL_OFFSET); @@ -3947,6 +3968,9 @@ static struct irq_remap_table *get_irq_table(u16 devid, bool ioapic) if (!table) goto out; + /* Initialize table spin-lock */ + spin_lock_init(&table->lock); + if (ioapic) /* Keep the first 32 indexes free for IOAPIC interrupts */ table->min_index = 32; diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index e38ab438bb34..083f98c0488b 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -99,6 +99,7 @@ #define PASID_MASK 0x000fffff /* MMIO status bits */ +#define MMIO_STATUS_EVT_INT_MASK (1 << 1) #define MMIO_STATUS_COM_WAIT_INT_MASK (1 << 2) #define MMIO_STATUS_PPR_INT_MASK (1 << 6) diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index a0d931bcb37c..b02b679abf31 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -107,6 +107,10 @@ static int create_gpio_led(const struct gpio_led *template, return 0; } + ret = devm_gpio_request(parent, template->gpio, template->name); + if (ret < 0) + return ret; + led_dat->cdev.name = template->name; led_dat->cdev.default_trigger = template->default_trigger; led_dat->gpio = template->gpio; @@ -126,10 +130,7 @@ static int create_gpio_led(const struct gpio_led *template, if (!template->retain_state_suspended) led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; - ret = devm_gpio_request_one(parent, template->gpio, - (led_dat->active_low ^ state) ? - GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW, - template->name); + ret = gpio_direction_output(led_dat->gpio, led_dat->active_low ^ state); if (ret < 0) return ret; diff --git a/drivers/leds/leds-ot200.c b/drivers/leds/leds-ot200.c index ee14662ed5ce..98cae529373f 100644 --- a/drivers/leds/leds-ot200.c +++ b/drivers/leds/leds-ot200.c @@ -47,37 +47,37 @@ static struct ot200_led leds[] = { { .name = "led_1", .port = 0x49, - .mask = BIT(7), + .mask = BIT(6), }, { .name = "led_2", .port = 0x49, - .mask = BIT(6), + .mask = BIT(5), }, { .name = "led_3", .port = 0x49, - .mask = BIT(5), + .mask = BIT(4), }, { .name = "led_4", .port = 0x49, - .mask = BIT(4), + .mask = BIT(3), }, { .name = "led_5", .port = 0x49, - .mask = BIT(3), + .mask = BIT(2), }, { .name = "led_6", .port = 0x49, - .mask = BIT(2), + .mask = BIT(1), }, { .name = "led_7", .port = 0x49, - .mask = BIT(1), + .mask = BIT(0), } }; diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index c6083132c4b8..0387e05cdb98 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -319,6 +319,9 @@ static void __cache_size_refresh(void) static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask, enum data_mode *data_mode) { + unsigned noio_flag; + void *ptr; + if (c->block_size <= DM_BUFIO_BLOCK_SIZE_SLAB_LIMIT) { *data_mode = DATA_MODE_SLAB; return kmem_cache_alloc(DM_BUFIO_CACHE(c), gfp_mask); @@ -332,7 +335,26 @@ static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask, } *data_mode = DATA_MODE_VMALLOC; - return __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL); + + /* + * __vmalloc allocates the data pages and auxiliary structures with + * gfp_flags that were specified, but pagetables are always allocated + * with GFP_KERNEL, no matter what was specified as gfp_mask. + * + * Consequently, we must set per-process flag PF_MEMALLOC_NOIO so that + * all allocations done by this process (including pagetables) are done + * as if GFP_NOIO was specified. + */ + + if (gfp_mask & __GFP_NORETRY) + noio_flag = memalloc_noio_save(); + + ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL); + + if (gfp_mask & __GFP_NORETRY) + memalloc_noio_restore(noio_flag); + + return ptr; } /* diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 10744091e6ca..6feaba24fcac 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -1971,6 +1971,7 @@ static int cache_create(struct cache_args *ca, struct cache **result) atomic_set(&cache->nr_migrations, 0); init_waitqueue_head(&cache->migration_wait); + r = -ENOMEM; cache->nr_dirty = 0; cache->dirty_bitset = alloc_bitset(from_cblock(cache->cache_size)); if (!cache->dirty_bitset) { diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index c0e07026a8d1..c434e5aab2df 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1121,6 +1121,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) s->pending_pool = mempool_create_slab_pool(MIN_IOS, pending_cache); if (!s->pending_pool) { ti->error = "Could not allocate mempool for pending exceptions"; + r = -ENOMEM; goto bad_pending_pool; } diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index d8837d313f54..7b8b2b930346 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -94,7 +94,7 @@ static int get_stripe(struct dm_target *ti, struct stripe_c *sc, static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) { struct stripe_c *sc; - sector_t width; + sector_t width, tmp_len; uint32_t stripes; uint32_t chunk_size; int r; @@ -116,15 +116,16 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) } width = ti->len; - if (sector_div(width, chunk_size)) { + if (sector_div(width, stripes)) { ti->error = "Target length not divisible by " - "chunk size"; + "number of stripes"; return -EINVAL; } - if (sector_div(width, stripes)) { + tmp_len = width; + if (sector_div(tmp_len, chunk_size)) { ti->error = "Target length not divisible by " - "number of stripes"; + "chunk size"; return -EINVAL; } diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index e50dad0c65f4..1ff252ab7d46 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1442,7 +1442,7 @@ static bool dm_table_supports_write_same(struct dm_table *t) return false; if (!ti->type->iterate_devices || - !ti->type->iterate_devices(ti, device_not_write_same_capable, NULL)) + ti->type->iterate_devices(ti, device_not_write_same_capable, NULL)) return false; } diff --git a/drivers/md/md.c b/drivers/md/md.c index aeceedfc530b..a4a93b9859fd 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1564,8 +1564,8 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_ sector, count, 1) == 0) return -EINVAL; } - } else if (sb->bblog_offset == 0) - rdev->badblocks.shift = -1; + } else if (sb->bblog_offset != 0) + rdev->badblocks.shift = 0; if (!refdev) { ret = 1; @@ -3221,7 +3221,7 @@ int md_rdev_init(struct md_rdev *rdev) * be used - I wonder if that matters */ rdev->badblocks.count = 0; - rdev->badblocks.shift = 0; + rdev->badblocks.shift = -1; /* disabled until explicitly enabled */ rdev->badblocks.page = kmalloc(PAGE_SIZE, GFP_KERNEL); seqlock_init(&rdev->badblocks.lock); if (rdev->badblocks.page == NULL) @@ -3293,9 +3293,6 @@ static struct md_rdev *md_import_device(dev_t newdev, int super_format, int supe goto abort_free; } } - if (super_format == -1) - /* hot-add for 0.90, or non-persistent: so no badblocks */ - rdev->badblocks.shift = -1; return rdev; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index fd86b372692d..6af167f81090 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -981,7 +981,12 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule) while (bio) { /* submit pending writes */ struct bio *next = bio->bi_next; bio->bi_next = NULL; - generic_make_request(bio); + if (unlikely((bio->bi_rw & REQ_DISCARD) && + !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) + /* Just ignore it */ + bio_endio(bio, 0); + else + generic_make_request(bio); bio = next; } kfree(plug); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 77b562d18a90..46c14e5efcb8 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1133,7 +1133,12 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule) while (bio) { /* submit pending writes */ struct bio *next = bio->bi_next; bio->bi_next = NULL; - generic_make_request(bio); + if (unlikely((bio->bi_rw & REQ_DISCARD) && + !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) + /* Just ignore it */ + bio_endio(bio, 0); + else + generic_make_request(bio); bio = next; } kfree(plug); diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c index 210dd038bb5a..6b40e0cde965 100644 --- a/drivers/mfd/adp5520.c +++ b/drivers/mfd/adp5520.c @@ -36,6 +36,7 @@ struct adp5520_chip { struct blocking_notifier_head notifier_list; int irq; unsigned long id; + uint8_t mode; }; static int __adp5520_read(struct i2c_client *client, @@ -326,7 +327,10 @@ static int adp5520_suspend(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct adp5520_chip *chip = dev_get_drvdata(&client->dev); - adp5520_clr_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY); + adp5520_read(chip->dev, ADP5520_MODE_STATUS, &chip->mode); + /* All other bits are W1C */ + chip->mode &= ADP5520_BL_EN | ADP5520_DIM_EN | ADP5520_nSTNBY; + adp5520_write(chip->dev, ADP5520_MODE_STATUS, 0); return 0; } @@ -335,7 +339,7 @@ static int adp5520_resume(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct adp5520_chip *chip = dev_get_drvdata(&client->dev); - adp5520_set_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY); + adp5520_write(chip->dev, ADP5520_MODE_STATUS, chip->mode); return 0; } #endif diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index c8f3d6e0684e..8ac51013a4f6 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -368,13 +368,13 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd) ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT]; card->ext_csd.raw_trim_mult = ext_csd[EXT_CSD_TRIM_MULT]; + card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT]; if (card->ext_csd.rev >= 4) { /* * Enhanced area feature support -- check whether the eMMC * card has the Enhanced area enabled. If so, export enhanced * area offset and size to user by adding sysfs interface. */ - card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT]; if ((ext_csd[EXT_CSD_PARTITION_SUPPORT] & 0x2) && (ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) { hc_erase_grp_sz = diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index d88219e1d86e..9c581c2ed349 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -300,16 +300,6 @@ config MMC_ATMELMCI If unsure, say N. -config MMC_ATMELMCI_DMA - bool "Atmel MCI DMA support" - depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE - help - Say Y here to have the Atmel MCI driver use a DMA engine to - do data transfers and thus increase the throughput and - reduce the CPU utilization. - - If unsure, say N. - config MMC_MSM tristate "Qualcomm SDCC Controller Support" depends on MMC && ARCH_MSM diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 722af1de7967..e75774f72606 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -178,6 +178,7 @@ struct atmel_mci { void __iomem *regs; struct scatterlist *sg; + unsigned int sg_len; unsigned int pio_offset; unsigned int *buffer; unsigned int buf_size; @@ -892,6 +893,7 @@ static u32 atmci_prepare_data(struct atmel_mci *host, struct mmc_data *data) data->error = -EINPROGRESS; host->sg = data->sg; + host->sg_len = data->sg_len; host->data = data; host->data_chan = NULL; @@ -1826,7 +1828,8 @@ static void atmci_read_data_pio(struct atmel_mci *host) if (offset == sg->length) { flush_dcache_page(sg_page(sg)); host->sg = sg = sg_next(sg); - if (!sg) + host->sg_len--; + if (!sg || !host->sg_len) goto done; offset = 0; @@ -1839,7 +1842,8 @@ static void atmci_read_data_pio(struct atmel_mci *host) flush_dcache_page(sg_page(sg)); host->sg = sg = sg_next(sg); - if (!sg) + host->sg_len--; + if (!sg || !host->sg_len) goto done; offset = 4 - remaining; @@ -1890,7 +1894,8 @@ static void atmci_write_data_pio(struct atmel_mci *host) nbytes += 4; if (offset == sg->length) { host->sg = sg = sg_next(sg); - if (!sg) + host->sg_len--; + if (!sg || !host->sg_len) goto done; offset = 0; @@ -1904,7 +1909,8 @@ static void atmci_write_data_pio(struct atmel_mci *host) nbytes += remaining; host->sg = sg = sg_next(sg); - if (!sg) { + host->sg_len--; + if (!sg || !host->sg_len) { atmci_writel(host, ATMCI_TDR, value); goto done; } @@ -2487,10 +2493,8 @@ static int __exit atmci_remove(struct platform_device *pdev) atmci_readl(host, ATMCI_SR); clk_disable(host->mck); -#ifdef CONFIG_MMC_ATMELMCI_DMA if (host->dma.chan) dma_release_channel(host->dma.chan); -#endif free_irq(platform_get_irq(pdev, 0), host); iounmap(host->regs); diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index 45cb9f3c1324..3b9546588240 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -136,6 +136,9 @@ #define KVASER_CTRL_MODE_SELFRECEPTION 3 #define KVASER_CTRL_MODE_OFF 4 +/* log message */ +#define KVASER_EXTENDED_FRAME BIT(31) + struct kvaser_msg_simple { u8 tid; u8 channel; @@ -817,8 +820,13 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev, priv = dev->nets[channel]; stats = &priv->netdev->stats; - if (msg->u.rx_can.flag & (MSG_FLAG_ERROR_FRAME | MSG_FLAG_NERR | - MSG_FLAG_OVERRUN)) { + if ((msg->u.rx_can.flag & MSG_FLAG_ERROR_FRAME) && + (msg->id == CMD_LOG_MESSAGE)) { + kvaser_usb_rx_error(dev, msg); + return; + } else if (msg->u.rx_can.flag & (MSG_FLAG_ERROR_FRAME | + MSG_FLAG_NERR | + MSG_FLAG_OVERRUN)) { kvaser_usb_rx_can_err(priv, msg); return; } else if (msg->u.rx_can.flag & ~MSG_FLAG_REMOTE_FRAME) { @@ -834,22 +842,40 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev, return; } - cf->can_id = ((msg->u.rx_can.msg[0] & 0x1f) << 6) | - (msg->u.rx_can.msg[1] & 0x3f); - cf->can_dlc = get_can_dlc(msg->u.rx_can.msg[5]); + if (msg->id == CMD_LOG_MESSAGE) { + cf->can_id = le32_to_cpu(msg->u.log_message.id); + if (cf->can_id & KVASER_EXTENDED_FRAME) + cf->can_id &= CAN_EFF_MASK | CAN_EFF_FLAG; + else + cf->can_id &= CAN_SFF_MASK; - if (msg->id == CMD_RX_EXT_MESSAGE) { - cf->can_id <<= 18; - cf->can_id |= ((msg->u.rx_can.msg[2] & 0x0f) << 14) | - ((msg->u.rx_can.msg[3] & 0xff) << 6) | - (msg->u.rx_can.msg[4] & 0x3f); - cf->can_id |= CAN_EFF_FLAG; - } + cf->can_dlc = get_can_dlc(msg->u.log_message.dlc); - if (msg->u.rx_can.flag & MSG_FLAG_REMOTE_FRAME) - cf->can_id |= CAN_RTR_FLAG; - else - memcpy(cf->data, &msg->u.rx_can.msg[6], cf->can_dlc); + if (msg->u.log_message.flags & MSG_FLAG_REMOTE_FRAME) + cf->can_id |= CAN_RTR_FLAG; + else + memcpy(cf->data, &msg->u.log_message.data, + cf->can_dlc); + } else { + cf->can_id = ((msg->u.rx_can.msg[0] & 0x1f) << 6) | + (msg->u.rx_can.msg[1] & 0x3f); + + if (msg->id == CMD_RX_EXT_MESSAGE) { + cf->can_id <<= 18; + cf->can_id |= ((msg->u.rx_can.msg[2] & 0x0f) << 14) | + ((msg->u.rx_can.msg[3] & 0xff) << 6) | + (msg->u.rx_can.msg[4] & 0x3f); + cf->can_id |= CAN_EFF_FLAG; + } + + cf->can_dlc = get_can_dlc(msg->u.rx_can.msg[5]); + + if (msg->u.rx_can.flag & MSG_FLAG_REMOTE_FRAME) + cf->can_id |= CAN_RTR_FLAG; + else + memcpy(cf->data, &msg->u.rx_can.msg[6], + cf->can_dlc); + } netif_rx(skb); @@ -911,6 +937,7 @@ static void kvaser_usb_handle_message(const struct kvaser_usb *dev, case CMD_RX_STD_MESSAGE: case CMD_RX_EXT_MESSAGE: + case CMD_LOG_MESSAGE: kvaser_usb_rx_can_msg(dev, msg); break; @@ -919,11 +946,6 @@ static void kvaser_usb_handle_message(const struct kvaser_usb *dev, kvaser_usb_rx_error(dev, msg); break; - case CMD_LOG_MESSAGE: - if (msg->u.log_message.flags & MSG_FLAG_ERROR_FRAME) - kvaser_usb_rx_error(dev, msg); - break; - case CMD_TX_ACKNOWLEDGE: kvaser_usb_tx_acknowledge(dev, msg); break; diff --git a/drivers/net/ethernet/3com/3c509.c b/drivers/net/ethernet/3com/3c509.c index f36ff99fd394..adb4bf5eb4b4 100644 --- a/drivers/net/ethernet/3com/3c509.c +++ b/drivers/net/ethernet/3com/3c509.c @@ -306,6 +306,7 @@ static int el3_isa_match(struct device *pdev, unsigned int ndev) if (!dev) return -ENOMEM; + SET_NETDEV_DEV(dev, pdev); netdev_boot_setup_check(dev); if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509-isa")) { @@ -595,6 +596,7 @@ static int __init el3_eisa_probe (struct device *device) return -ENOMEM; } + SET_NETDEV_DEV(dev, device); netdev_boot_setup_check(dev); el3_dev_fill(dev, phys_addr, ioaddr, irq, if_port, EL3_EISA); diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 1928e2001587..072c6f14e8fc 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -632,7 +632,6 @@ struct vortex_private { pm_state_valid:1, /* pci_dev->saved_config_space has sane contents */ open:1, medialock:1, - must_free_region:1, /* Flag: if zero, Cardbus owns the I/O region */ large_frames:1, /* accept large frames */ handling_irq:1; /* private in_irq indicator */ /* {get|set}_wol operations are already serialized by rtnl. @@ -951,7 +950,7 @@ static int vortex_eisa_remove(struct device *device) unregister_netdev(dev); iowrite16(TotalReset|0x14, ioaddr + EL3_CMD); - release_region(dev->base_addr, VORTEX_TOTAL_SIZE); + release_region(edev->base_addr, VORTEX_TOTAL_SIZE); free_netdev(dev); return 0; @@ -1012,6 +1011,12 @@ static int vortex_init_one(struct pci_dev *pdev, if (rc < 0) goto out; + rc = pci_request_regions(pdev, DRV_NAME); + if (rc < 0) { + pci_disable_device(pdev); + goto out; + } + unit = vortex_cards_found; if (global_use_mmio < 0 && (unit >= MAX_UNITS || use_mmio[unit] < 0)) { @@ -1027,6 +1032,7 @@ static int vortex_init_one(struct pci_dev *pdev, if (!ioaddr) /* If mapping fails, fall-back to BAR 0... */ ioaddr = pci_iomap(pdev, 0, 0); if (!ioaddr) { + pci_release_regions(pdev); pci_disable_device(pdev); rc = -ENOMEM; goto out; @@ -1036,6 +1042,7 @@ static int vortex_init_one(struct pci_dev *pdev, ent->driver_data, unit); if (rc < 0) { pci_iounmap(pdev, ioaddr); + pci_release_regions(pdev); pci_disable_device(pdev); goto out; } @@ -1178,11 +1185,6 @@ static int vortex_probe1(struct device *gendev, void __iomem *ioaddr, int irq, /* PCI-only startup logic */ if (pdev) { - /* EISA resources already marked, so only PCI needs to do this here */ - /* Ignore return value, because Cardbus drivers already allocate for us */ - if (request_region(dev->base_addr, vci->io_size, print_name) != NULL) - vp->must_free_region = 1; - /* enable bus-mastering if necessary */ if (vci->flags & PCI_USES_MASTER) pci_set_master(pdev); @@ -1220,7 +1222,7 @@ static int vortex_probe1(struct device *gendev, void __iomem *ioaddr, int irq, &vp->rx_ring_dma); retval = -ENOMEM; if (!vp->rx_ring) - goto free_region; + goto free_device; vp->tx_ring = (struct boom_tx_desc *)(vp->rx_ring + RX_RING_SIZE); vp->tx_ring_dma = vp->rx_ring_dma + sizeof(struct boom_rx_desc) * RX_RING_SIZE; @@ -1484,9 +1486,7 @@ free_ring: + sizeof(struct boom_tx_desc) * TX_RING_SIZE, vp->rx_ring, vp->rx_ring_dma); -free_region: - if (vp->must_free_region) - release_region(dev->base_addr, vci->io_size); +free_device: free_netdev(dev); pr_err(PFX "vortex_probe1 fails. Returns %d\n", retval); out: @@ -3254,8 +3254,9 @@ static void vortex_remove_one(struct pci_dev *pdev) + sizeof(struct boom_tx_desc) * TX_RING_SIZE, vp->rx_ring, vp->rx_ring_dma); - if (vp->must_free_region) - release_region(dev->base_addr, vp->io_size); + + pci_release_regions(pdev); + free_netdev(dev); } diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 17a972734ba7..6f42e573dad6 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -2921,6 +2921,31 @@ static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed) return 0; } +static bool tg3_phy_power_bug(struct tg3 *tp) +{ + switch (tg3_asic_rev(tp)) { + case ASIC_REV_5700: + case ASIC_REV_5704: + return true; + case ASIC_REV_5780: + if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) + return true; + return false; + case ASIC_REV_5717: + if (!tp->pci_fn) + return true; + return false; + case ASIC_REV_5719: + case ASIC_REV_5720: + if ((tp->phy_flags & TG3_PHYFLG_PHY_SERDES) && + !tp->pci_fn) + return true; + return false; + } + + return false; +} + static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power) { u32 val; @@ -2977,12 +3002,7 @@ static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power) /* The PHY should not be powered down on some chips because * of bugs. */ - if (tg3_asic_rev(tp) == ASIC_REV_5700 || - tg3_asic_rev(tp) == ASIC_REV_5704 || - (tg3_asic_rev(tp) == ASIC_REV_5780 && - (tp->phy_flags & TG3_PHYFLG_MII_SERDES)) || - (tg3_asic_rev(tp) == ASIC_REV_5717 && - !tp->pci_fn)) + if (tg3_phy_power_bug(tp)) return; if (tg3_chip_rev(tp) == CHIPREV_5784_AX || @@ -7058,6 +7078,20 @@ static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len) return (base > 0xffffdcc0) && (base + len + 8 < base); } +/* Test for TSO DMA buffers that cross into regions which are within MSS bytes + * of any 4GB boundaries: 4G, 8G, etc + */ +static inline int tg3_4g_tso_overflow_test(struct tg3 *tp, dma_addr_t mapping, + u32 len, u32 mss) +{ + if (tg3_asic_rev(tp) == ASIC_REV_5762 && mss) { + u32 base = (u32) mapping & 0xffffffff; + + return ((base + len + (mss & 0x3fff)) < base); + } + return 0; +} + /* Test for DMA addresses > 40-bit */ static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping, int len) @@ -7094,6 +7128,9 @@ static bool tg3_tx_frag_set(struct tg3_napi *tnapi, u32 *entry, u32 *budget, if (tg3_4g_overflow_test(map, len)) hwbug = true; + if (tg3_4g_tso_overflow_test(tp, map, len, mss)) + hwbug = true; + if (tg3_40bit_overflow_test(tp, map, len)) hwbug = true; @@ -9056,6 +9093,14 @@ static void tg3_rss_write_indir_tbl(struct tg3 *tp) } } +static inline u32 tg3_lso_rd_dma_workaround_bit(struct tg3 *tp) +{ + if (tg3_asic_rev(tp) == ASIC_REV_5719) + return TG3_LSO_RD_DMA_TX_LENGTH_WA_5719; + else + return TG3_LSO_RD_DMA_TX_LENGTH_WA_5720; +} + /* tp->lock is held. */ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) { @@ -9735,16 +9780,17 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) tw32_f(RDMAC_MODE, rdmac_mode); udelay(40); - if (tg3_asic_rev(tp) == ASIC_REV_5719) { + if (tg3_asic_rev(tp) == ASIC_REV_5719 || + tg3_asic_rev(tp) == ASIC_REV_5720) { for (i = 0; i < TG3_NUM_RDMA_CHANNELS; i++) { if (tr32(TG3_RDMA_LENGTH + (i << 2)) > TG3_MAX_MTU(tp)) break; } if (i < TG3_NUM_RDMA_CHANNELS) { val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL); - val |= TG3_LSO_RD_DMA_TX_LENGTH_WA; + val |= tg3_lso_rd_dma_workaround_bit(tp); tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val); - tg3_flag_set(tp, 5719_RDMA_BUG); + tg3_flag_set(tp, 5719_5720_RDMA_BUG); } } @@ -10101,15 +10147,15 @@ static void tg3_periodic_fetch_stats(struct tg3 *tp) TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST); TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST); TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST); - if (unlikely(tg3_flag(tp, 5719_RDMA_BUG) && + if (unlikely(tg3_flag(tp, 5719_5720_RDMA_BUG) && (sp->tx_ucast_packets.low + sp->tx_mcast_packets.low + sp->tx_bcast_packets.low) > TG3_NUM_RDMA_CHANNELS)) { u32 val; val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL); - val &= ~TG3_LSO_RD_DMA_TX_LENGTH_WA; + val &= ~tg3_lso_rd_dma_workaround_bit(tp); tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val); - tg3_flag_clear(tp, 5719_RDMA_BUG); + tg3_flag_clear(tp, 5719_5720_RDMA_BUG); } TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS); diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index 8d7d4c2ab5d6..25309bfbc19a 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -1422,7 +1422,8 @@ #define TG3_LSO_RD_DMA_CRPTEN_CTRL 0x00004910 #define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K 0x00030000 #define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K 0x000c0000 -#define TG3_LSO_RD_DMA_TX_LENGTH_WA 0x02000000 +#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5719 0x02000000 +#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5720 0x00200000 /* 0x4914 --> 0x4be0 unused */ #define TG3_NUM_RDMA_CHANNELS 4 @@ -3043,7 +3044,7 @@ enum TG3_FLAGS { TG3_FLAG_APE_HAS_NCSI, TG3_FLAG_TX_TSTAMP_EN, TG3_FLAG_4K_FIFO_LIMIT, - TG3_FLAG_5719_RDMA_BUG, + TG3_FLAG_5719_5720_RDMA_BUG, TG3_FLAG_RESET_TASK_PENDING, TG3_FLAG_PTP_CAPABLE, TG3_FLAG_5705_PLUS, diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c index 2e5daee0438a..a3f8a2551f2d 100644 --- a/drivers/net/ethernet/freescale/gianfar_ptp.c +++ b/drivers/net/ethernet/freescale/gianfar_ptp.c @@ -127,7 +127,6 @@ struct gianfar_ptp_registers { #define DRIVER "gianfar_ptp" #define DEFAULT_CKSEL 1 -#define N_ALARM 1 /* first alarm is used internally to reset fipers */ #define N_EXT_TS 2 #define REG_SIZE sizeof(struct gianfar_ptp_registers) @@ -410,7 +409,7 @@ static struct ptp_clock_info ptp_gianfar_caps = { .owner = THIS_MODULE, .name = "gianfar clock", .max_adj = 512000, - .n_alarm = N_ALARM, + .n_alarm = 0, .n_ext_ts = N_EXT_TS, .n_per_out = 0, .pps = 1, diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index c859771a9902..f46dbef07278 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1324,7 +1324,7 @@ static const struct net_device_ops ibmveth_netdev_ops = { static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) { - int rc, i; + int rc, i, mac_len; struct net_device *netdev; struct ibmveth_adapter *adapter; unsigned char *mac_addr_p; @@ -1334,11 +1334,19 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) dev->unit_address); mac_addr_p = (unsigned char *)vio_get_attribute(dev, VETH_MAC_ADDR, - NULL); + &mac_len); if (!mac_addr_p) { dev_err(&dev->dev, "Can't find VETH_MAC_ADDR attribute\n"); return -EINVAL; } + /* Workaround for old/broken pHyp */ + if (mac_len == 8) + mac_addr_p += 2; + else if (mac_len != 6) { + dev_err(&dev->dev, "VETH_MAC_ADDR attribute wrong len %d\n", + mac_len); + return -EINVAL; + } mcastFilterSize_p = (unsigned int *)vio_get_attribute(dev, VETH_MCAST_FILTER_SIZE, NULL); @@ -1363,17 +1371,6 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16); - /* - * Some older boxes running PHYP non-natively have an OF that returns - * a 8-byte local-mac-address field (and the first 2 bytes have to be - * ignored) while newer boxes' OF return a 6-byte field. Note that - * IEEE 1275 specifies that local-mac-address must be a 6-byte field. - * The RPA doc specifies that the first byte must be 10b, so we'll - * just look for it to solve this 8 vs. 6 byte field issue - */ - if ((*mac_addr_p & 0x3) != 0x02) - mac_addr_p += 2; - adapter->mac_addr = 0; memcpy(&adapter->mac_addr, mac_addr_p, 6); diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c index b477fa53ec94..065f8c80d4f2 100644 --- a/drivers/net/ethernet/intel/e1000e/ptp.c +++ b/drivers/net/ethernet/intel/e1000e/ptp.c @@ -145,8 +145,7 @@ static int e1000e_phc_settime(struct ptp_clock_info *ptp, unsigned long flags; u64 ns; - ns = ts->tv_sec * NSEC_PER_SEC; - ns += ts->tv_nsec; + ns = timespec_to_ns(ts); /* reset the timecounter */ spin_lock_irqsave(&adapter->systim_lock, flags); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 79f4a26ea6cc..a892efd9c769 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -2405,6 +2405,16 @@ static irqreturn_t ixgbe_msix_other(int irq, void *data) * with the write to EICR. */ eicr = IXGBE_READ_REG(hw, IXGBE_EICS); + + /* The lower 16bits of the EICR register are for the queue interrupts + * which should be masked here in order to not accidently clear them if + * the bits are high when ixgbe_msix_other is called. There is a race + * condition otherwise which results in possible performance loss + * especially if the ixgbe_msix_other interrupt is triggering + * consistently (as it would when PPS is turned on for the X540 device) + */ + eicr &= 0xFFFF0000; + IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); if (eicr & IXGBE_EICR_LSC) diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 4ecbe64a758d..15ba8c47d79f 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -5787,6 +5787,14 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, goto err_stop_0; } + /* 8168evl does not automatically pad to minimum length. */ + if (unlikely(tp->mac_version == RTL_GIGA_MAC_VER_34 && + skb->len < ETH_ZLEN)) { + if (skb_padto(skb, ETH_ZLEN)) + goto err_update_stats; + skb_put(skb, ETH_ZLEN - skb->len); + } + if (unlikely(le32_to_cpu(txd->opts1) & DescOwn)) goto err_stop_0; @@ -5858,6 +5866,7 @@ err_dma_1: rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd); err_dma_0: dev_kfree_skb(skb); +err_update_stats: dev->stats.tx_dropped++; return NETDEV_TX_OK; diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c index 0095ce95150b..97dd8f18c001 100644 --- a/drivers/net/ethernet/sfc/mcdi.c +++ b/drivers/net/ethernet/sfc/mcdi.c @@ -667,7 +667,7 @@ fail: int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address, u16 *fw_subtype_list, u32 *capabilities) { - uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMIN]; + uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMAX]; size_t outlen, offset, i; int port_num = efx_port_num(efx); int rc; diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c index 66e025ad5df1..f3c2d034b32c 100644 --- a/drivers/net/ethernet/tile/tilegx.c +++ b/drivers/net/ethernet/tile/tilegx.c @@ -930,7 +930,7 @@ static int tile_net_setup_interrupts(struct net_device *dev) if (info->has_iqueue) { gxio_mpipe_request_notif_ring_interrupt( &context, cpu_x(cpu), cpu_y(cpu), - 1, ingress_irq, info->iqueue.ring); + KERNEL_PL, ingress_irq, info->iqueue.ring); } } diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 73abbc1655d5..011062ed595f 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -222,7 +222,8 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) } if (port->passthru) - vlan = list_first_entry(&port->vlans, struct macvlan_dev, list); + vlan = list_first_or_null_rcu(&port->vlans, + struct macvlan_dev, list); else vlan = macvlan_hash_lookup(port, eth->h_dest); if (vlan == NULL) @@ -807,7 +808,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, if (err < 0) goto upper_dev_unlink; - list_add_tail(&vlan->list, &port->vlans); + list_add_tail_rcu(&vlan->list, &port->vlans); netif_stacked_transfer_operstate(lowerdev, dev); return 0; @@ -835,7 +836,7 @@ void macvlan_dellink(struct net_device *dev, struct list_head *head) { struct macvlan_dev *vlan = netdev_priv(dev); - list_del(&vlan->list); + list_del_rcu(&vlan->list); unregister_netdevice_queue(dev, head); netdev_upper_dev_unlink(vlan->lowerdev, dev); } diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c index ed947dd76fbd..f3cdf64997d6 100644 --- a/drivers/net/ntb_netdev.c +++ b/drivers/net/ntb_netdev.c @@ -375,6 +375,8 @@ static void ntb_netdev_remove(struct pci_dev *pdev) if (dev == NULL) return; + list_del(&dev->list); + ndev = dev->ndev; unregister_netdev(ndev); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 729ed533bb33..755fa9e87180 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1471,14 +1471,17 @@ static int tun_recvmsg(struct kiocb *iocb, struct socket *sock, if (!tun) return -EBADFD; - if (flags & ~(MSG_DONTWAIT|MSG_TRUNC)) - return -EINVAL; + if (flags & ~(MSG_DONTWAIT|MSG_TRUNC)) { + ret = -EINVAL; + goto out; + } ret = tun_do_read(tun, tfile, iocb, m->msg_iov, total_len, flags & MSG_DONTWAIT); if (ret > total_len) { m->msg_flags |= MSG_TRUNC; ret = flags & MSG_TRUNC ? ret : total_len; } +out: tun_put(tun); return ret; } diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index f7f623a5390e..577c72d5f369 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -100,6 +100,9 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb, netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n", rx->size); kfree_skb(rx->ax_skb); + rx->ax_skb = NULL; + rx->size = 0U; + return 0; } diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 57136dc1b887..299c53ba4e04 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -615,6 +615,13 @@ static const struct usb_device_id products [] = { .driver_info = 0, }, +/* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ +{ + USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* AnyDATA ADU960S - handled by qmi_wwan */ { USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 2a3579f67910..a7cafe4a1397 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -496,6 +496,13 @@ static const struct usb_device_id products[] = { USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&qmi_wwan_info, }, + { /* Dell Wireless 5804 (Novatel E371) */ + USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, + USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&qmi_wwan_info, + }, { /* ADU960S */ USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index f76c3ca07a45..21fa26735d8c 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -965,7 +965,7 @@ static void ar9003_hw_do_manual_peak_cal(struct ath_hw *ah, { int i; - if (!AR_SREV_9462(ah) && !AR_SREV_9565(ah)) + if (!AR_SREV_9462(ah) && !AR_SREV_9565(ah) && !AR_SREV_9485(ah)) return; for (i = 0; i < AR9300_MAX_CHAINS; i++) { diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h index 54ba42f4108a..874f6570bd1c 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h @@ -68,13 +68,16 @@ #define AR9300_BASE_ADDR 0x3ff #define AR9300_BASE_ADDR_512 0x1ff -#define AR9300_OTP_BASE (AR_SREV_9340(ah) ? 0x30000 : 0x14000) -#define AR9300_OTP_STATUS (AR_SREV_9340(ah) ? 0x30018 : 0x15f18) +#define AR9300_OTP_BASE \ + ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30000 : 0x14000) +#define AR9300_OTP_STATUS \ + ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30018 : 0x15f18) #define AR9300_OTP_STATUS_TYPE 0x7 #define AR9300_OTP_STATUS_VALID 0x4 #define AR9300_OTP_STATUS_ACCESS_BUSY 0x2 #define AR9300_OTP_STATUS_SM_BUSY 0x1 -#define AR9300_OTP_READ_DATA (AR_SREV_9340(ah) ? 0x3001c : 0x15f1c) +#define AR9300_OTP_READ_DATA \ + ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x3001c : 0x15f1c) enum targetPowerHTRates { HT_TARGET_RATE_0_8_16, diff --git a/drivers/net/wireless/ath/ath9k/ar9485_initvals.h b/drivers/net/wireless/ath/ath9k/ar9485_initvals.h index 712f415b8c08..88ff1d7b53ab 100644 --- a/drivers/net/wireless/ath/ath9k/ar9485_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9485_initvals.h @@ -1020,7 +1020,7 @@ static const u32 ar9485_1_1_baseband_postamble[][5] = { {0x0000a284, 0x00000000, 0x00000000, 0x000002a0, 0x000002a0}, {0x0000a288, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, {0x0000a28c, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, - {0x0000a2c4, 0x00158d18, 0x00158d18, 0x00158d18, 0x00158d18}, + {0x0000a2c4, 0x00158d18, 0x00158d18, 0x00058d18, 0x00058d18}, {0x0000a2d0, 0x00071981, 0x00071981, 0x00071982, 0x00071982}, {0x0000a2d8, 0xf999a83a, 0xf999a83a, 0xf999a83a, 0xf999a83a}, {0x0000a358, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 3714b971d18e..f25a3200d961 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -2003,6 +2003,14 @@ void ath9k_get_et_stats(struct ieee80211_hw *hw, WARN_ON(i != ATH9K_SSTATS_LEN); } +void ath9k_deinit_debug(struct ath_softc *sc) +{ + if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) { + relay_close(sc->rfs_chan_spec_scan); + sc->rfs_chan_spec_scan = NULL; + } +} + int ath9k_init_debug(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index 410d6d8f1aa7..f939457f807d 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -302,6 +302,7 @@ struct ath9k_debug { }; int ath9k_init_debug(struct ath_hw *ah); +void ath9k_deinit_debug(struct ath_softc *sc); void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status); void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, @@ -337,6 +338,10 @@ static inline int ath9k_init_debug(struct ath_hw *ah) return 0; } +static inline void ath9k_deinit_debug(struct ath_softc *sc) +{ +} + static inline void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) { diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index af932c9444de..26db547a620c 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -885,7 +885,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, if (!ath_is_world_regd(reg)) { error = regulatory_hint(hw->wiphy, reg->alpha2); if (error) - goto unregister; + goto debug_cleanup; } ath_init_leds(sc); @@ -893,6 +893,8 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, return 0; +debug_cleanup: + ath9k_deinit_debug(sc); unregister: ieee80211_unregister_hw(hw); rx_cleanup: @@ -921,11 +923,6 @@ static void ath9k_deinit_softc(struct ath_softc *sc) sc->dfs_detector->exit(sc->dfs_detector); ath9k_eeprom_release(sc); - - if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) { - relay_close(sc->rfs_chan_spec_scan); - sc->rfs_chan_spec_scan = NULL; - } } void ath9k_deinit_device(struct ath_softc *sc) @@ -939,6 +936,7 @@ void ath9k_deinit_device(struct ath_softc *sc) ath9k_ps_restore(sc); + ath9k_deinit_debug(sc); ieee80211_unregister_hw(hw); ath_rx_cleanup(sc); ath9k_deinit_softc(sc); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 988372d218a4..e509c370f837 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1308,6 +1308,7 @@ static int ath9k_sta_add(struct ieee80211_hw *hw, struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_node *an = (struct ath_node *) sta->drv_priv; struct ieee80211_key_conf ps_key = { }; + int key; ath_node_attach(sc, sta, vif); @@ -1315,7 +1316,9 @@ static int ath9k_sta_add(struct ieee80211_hw *hw, vif->type != NL80211_IFTYPE_AP_VLAN) return 0; - an->ps_key = ath_key_config(common, vif, sta, &ps_key); + key = ath_key_config(common, vif, sta, &ps_key); + if (key > 0) + an->ps_key = key; return 0; } @@ -1332,6 +1335,7 @@ static void ath9k_del_ps_key(struct ath_softc *sc, return; ath_key_delete(common, &ps_key); + an->ps_key = 0; } static int ath9k_sta_remove(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 122146943bf2..ee3d6403c795 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -1733,6 +1733,25 @@ drop_recycle_buffer: sync_descbuffer_for_device(ring, dmaaddr, ring->rx_buffersize); } +void b43_dma_handle_rx_overflow(struct b43_dmaring *ring) +{ + int current_slot, previous_slot; + + B43_WARN_ON(ring->tx); + + /* Device has filled all buffers, drop all packets and let TCP + * decrease speed. + * Decrement RX index by one will let the device to see all slots + * as free again + */ + /* + *TODO: How to increase rx_drop in mac80211? + */ + current_slot = ring->ops->get_current_rxslot(ring); + previous_slot = prev_slot(ring, current_slot); + ring->ops->set_current_rxslot(ring, previous_slot); +} + void b43_dma_rx(struct b43_dmaring *ring) { const struct b43_dma_ops *ops = ring->ops; diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h index 9fdd1983079c..df8c8cdcbdb5 100644 --- a/drivers/net/wireless/b43/dma.h +++ b/drivers/net/wireless/b43/dma.h @@ -9,7 +9,7 @@ /* DMA-Interrupt reasons. */ #define B43_DMAIRQ_FATALMASK ((1 << 10) | (1 << 11) | (1 << 12) \ | (1 << 14) | (1 << 15)) -#define B43_DMAIRQ_NONFATALMASK (1 << 13) +#define B43_DMAIRQ_RDESC_UFLOW (1 << 13) #define B43_DMAIRQ_RX_DONE (1 << 16) /*** 32-bit DMA Engine. ***/ @@ -295,6 +295,8 @@ int b43_dma_tx(struct b43_wldev *dev, void b43_dma_handle_txstatus(struct b43_wldev *dev, const struct b43_txstatus *status); +void b43_dma_handle_rx_overflow(struct b43_dmaring *ring); + void b43_dma_rx(struct b43_dmaring *ring); void b43_dma_direct_fifo_rx(struct b43_wldev *dev, diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 05682736e466..64b637a8b5b5 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -1895,30 +1895,18 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev) } } - if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK | - B43_DMAIRQ_NONFATALMASK))) { - if (merged_dma_reason & B43_DMAIRQ_FATALMASK) { - b43err(dev->wl, "Fatal DMA error: " - "0x%08X, 0x%08X, 0x%08X, " - "0x%08X, 0x%08X, 0x%08X\n", - dma_reason[0], dma_reason[1], - dma_reason[2], dma_reason[3], - dma_reason[4], dma_reason[5]); - b43err(dev->wl, "This device does not support DMA " + if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK))) { + b43err(dev->wl, + "Fatal DMA error: 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X\n", + dma_reason[0], dma_reason[1], + dma_reason[2], dma_reason[3], + dma_reason[4], dma_reason[5]); + b43err(dev->wl, "This device does not support DMA " "on your system. It will now be switched to PIO.\n"); - /* Fall back to PIO transfers if we get fatal DMA errors! */ - dev->use_pio = true; - b43_controller_restart(dev, "DMA error"); - return; - } - if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) { - b43err(dev->wl, "DMA error: " - "0x%08X, 0x%08X, 0x%08X, " - "0x%08X, 0x%08X, 0x%08X\n", - dma_reason[0], dma_reason[1], - dma_reason[2], dma_reason[3], - dma_reason[4], dma_reason[5]); - } + /* Fall back to PIO transfers if we get fatal DMA errors! */ + dev->use_pio = true; + b43_controller_restart(dev, "DMA error"); + return; } if (unlikely(reason & B43_IRQ_UCODE_DEBUG)) @@ -1937,6 +1925,11 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev) handle_irq_noise(dev); /* Check the DMA reason registers for received data. */ + if (dma_reason[0] & B43_DMAIRQ_RDESC_UFLOW) { + if (B43_DEBUG) + b43warn(dev->wl, "RX descriptor underrun\n"); + b43_dma_handle_rx_overflow(dev->dma.rx_ring); + } if (dma_reason[0] & B43_DMAIRQ_RX_DONE) { if (b43_using_pio_transfers(dev)) b43_pio_rx(dev->pio.rx_queue); @@ -1994,7 +1987,7 @@ static irqreturn_t b43_do_interrupt(struct b43_wldev *dev) return IRQ_NONE; dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON) - & 0x0001DC00; + & 0x0001FC00; dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON) & 0x0000DC00; dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON) @@ -3126,7 +3119,7 @@ static int b43_chip_init(struct b43_wldev *dev) b43_write32(dev, 0x018C, 0x02000000); } b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000); - b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001DC00); + b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001FC00); b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00); b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00); b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00); diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index 7941eb3a0166..cbaa777dc037 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -5740,8 +5740,7 @@ il4965_mac_setup_register(struct il_priv *il, u32 max_probe_length) hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_AMPDU_AGGREGATION | IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC | IEEE80211_HW_SPECTRUM_MGMT | - IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_PS | - IEEE80211_HW_SUPPORTS_DYNAMIC_PS; + IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; if (il->cfg->sku & IL_SKU_N) hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c index 20806cae11b7..81d4071130c1 100644 --- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c @@ -2237,15 +2237,15 @@ static ssize_t iwl_dbgfs_log_event_read(struct file *file, size_t count, loff_t *ppos) { struct iwl_priv *priv = file->private_data; - char *buf; - int pos = 0; - ssize_t ret = -ENOMEM; + char *buf = NULL; + ssize_t ret; - ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true); - if (buf) { - ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); - kfree(buf); - } + ret = iwl_dump_nic_event_log(priv, true, &buf, true); + if (ret < 0) + goto err; + ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); +err: + kfree(buf); return ret; } diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c index b775769f8322..c3c13ce96eb0 100644 --- a/drivers/net/wireless/iwlwifi/dvm/sta.c +++ b/drivers/net/wireless/iwlwifi/dvm/sta.c @@ -695,6 +695,7 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv, void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) { struct iwl_addsta_cmd sta_cmd; + static const struct iwl_link_quality_cmd zero_lq = {}; struct iwl_link_quality_cmd lq; int i; bool found = false; @@ -733,7 +734,9 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) else memcpy(&lq, priv->stations[i].lq, sizeof(struct iwl_link_quality_cmd)); - send_lq = true; + + if (memcmp(&lq, &zero_lq, sizeof(lq))) + send_lq = true; } spin_unlock_bh(&priv->sta_lock); ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h index 2adb61f103f4..44643823a10d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -165,6 +165,8 @@ enum { REPLY_DEBUG_CMD = 0xf0, DEBUG_LOG_MSG = 0xf7, + MCAST_FILTER_CMD = 0xd0, + /* D3 commands/notifications */ D3_CONFIG_CMD = 0xd3, PROT_OFFLOAD_CONFIG_CMD = 0xd4, @@ -951,4 +953,29 @@ struct iwl_set_calib_default_cmd { u8 data[0]; } __packed; /* PHY_CALIB_OVERRIDE_VALUES_S */ +#define MAX_PORT_ID_NUM 2 + +/** + * struct iwl_mcast_filter_cmd - configure multicast filter. + * @filter_own: Set 1 to filter out multicast packets sent by station itself + * @port_id: Multicast MAC addresses array specifier. This is a strange way + * to identify network interface adopted in host-device IF. + * It is used by FW as index in array of addresses. This array has + * MAX_PORT_ID_NUM members. + * @count: Number of MAC addresses in the array + * @pass_all: Set 1 to pass all multicast packets. + * @bssid: current association BSSID. + * @addr_list: Place holder for array of MAC addresses. + * IMPORTANT: add padding if necessary to ensure DWORD alignment. + */ +struct iwl_mcast_filter_cmd { + u8 filter_own; + u8 port_id; + u8 count; + u8 pass_all; + u8 bssid[6]; + u8 reserved[2]; + u8 addr_list[0]; +} __packed; /* MCAST_FILTERING_CMD_API_S_VER_1 */ + #endif /* __fw_api_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index 341dbc0237ea..bf76b17b257b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -586,10 +586,12 @@ static int iwl_mvm_mac_ctxt_send_cmd(struct iwl_mvm *mvm, */ static void iwl_mvm_mac_ctxt_cmd_fill_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_mac_data_sta *ctxt_sta) + struct iwl_mac_data_sta *ctxt_sta, + bool force_assoc_off) { /* We need the dtim_period to set the MAC as associated */ - if (vif->bss_conf.assoc && vif->bss_conf.dtim_period) { + if (vif->bss_conf.assoc && vif->bss_conf.dtim_period && + !force_assoc_off) { u32 dtim_offs; /* @@ -652,7 +654,8 @@ static int iwl_mvm_mac_ctxt_cmd_station(struct iwl_mvm *mvm, iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); /* Fill the data specific for station mode */ - iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.sta); + iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.sta, + action == FW_CTXT_ACTION_ADD); return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); } @@ -669,7 +672,8 @@ static int iwl_mvm_mac_ctxt_cmd_p2p_client(struct iwl_mvm *mvm, iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); /* Fill the data specific for station mode */ - iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta); + iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta, + action == FW_CTXT_ACTION_ADD); cmd.p2p_sta.ctwin = cpu_to_le32(vif->bss_conf.p2p_ctwindow); diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 7e169b085afe..8572358e568a 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -82,15 +82,6 @@ static const struct ieee80211_iface_limit iwl_mvm_limits[] = { .types = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP), }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_P2P_GO), - }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_P2P_DEVICE), - }, }; static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { @@ -136,10 +127,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->chanctx_data_size = sizeof(struct iwl_mvm_phy_ctxt); hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_AP) | - BIT(NL80211_IFTYPE_P2P_GO) | - BIT(NL80211_IFTYPE_P2P_DEVICE); + BIT(NL80211_IFTYPE_AP); hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS | @@ -657,6 +645,20 @@ static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, *total_flags = 0; } +static int iwl_mvm_configure_mcast_filter(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_mcast_filter_cmd mcast_filter_cmd = { + .pass_all = 1, + }; + + memcpy(mcast_filter_cmd.bssid, vif->bss_conf.bssid, ETH_ALEN); + + return iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, + sizeof(mcast_filter_cmd), + &mcast_filter_cmd); +} + static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, @@ -677,6 +679,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, IWL_ERR(mvm, "failed to update quotas\n"); return; } + iwl_mvm_configure_mcast_filter(mvm, vif); } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { /* remove AP station now that the MAC is unassoc */ ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id); @@ -886,7 +889,7 @@ static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, switch (cmd) { case STA_NOTIFY_SLEEP: - if (atomic_read(&mvmsta->pending_frames) > 0) + if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0) ieee80211_sta_block_awake(hw, sta, true); /* * The fw updates the STA to be asleep. Tx packets on the Tx diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index bdae700c769e..dc59ef568807 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -293,6 +293,7 @@ struct iwl_mvm { struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT]; struct work_struct sta_drained_wk; unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)]; + atomic_t pending_frames[IWL_MVM_STATION_COUNT]; /* configured by mac80211 */ u32 rts_threshold; diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index d0f9c1e0475e..ddac83322d2d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -293,6 +293,7 @@ static const char *iwl_mvm_cmd_strings[REPLY_MAX] = { CMD(NET_DETECT_PROFILES_CMD), CMD(NET_DETECT_HOTSPOTS_CMD), CMD(NET_DETECT_HOTSPOTS_QUERY_CMD), + CMD(MCAST_FILTER_CMD), }; #undef CMD diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 9b21b92aa8d1..5c52faa54b3a 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -298,6 +298,12 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, else cmd->type = cpu_to_le32(SCAN_TYPE_FORCED); + /* + * TODO: This is a WA due to a bug in the FW AUX framework that does not + * properly handle time events that fail to be scheduled + */ + cmd->type = cpu_to_le32(SCAN_TYPE_FORCED); + cmd->repeats = cpu_to_le32(1); /* diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 274f44e2ef60..7b8644e75a1d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -172,7 +172,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, mvm_sta->max_agg_bufsize = LINK_QUAL_AGG_FRAME_LIMIT_DEF; /* HW restart, don't assume the memory has been zeroed */ - atomic_set(&mvm_sta->pending_frames, 0); + atomic_set(&mvm->pending_frames[sta_id], 0); mvm_sta->tid_disable_agg = 0; mvm_sta->tfd_queue_msk = 0; for (i = 0; i < IEEE80211_NUM_ACS; i++) @@ -360,14 +360,21 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm, } /* + * Make sure that the tx response code sees the station as -EBUSY and + * calls the drain worker. + */ + spin_lock_bh(&mvm_sta->lock); + /* * There are frames pending on the AC queues for this station. * We need to wait until all the frames are drained... */ - if (atomic_read(&mvm_sta->pending_frames)) { - ret = iwl_mvm_drain_sta(mvm, mvm_sta, true); + if (atomic_read(&mvm->pending_frames[mvm_sta->sta_id])) { rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], ERR_PTR(-EBUSY)); + spin_unlock_bh(&mvm_sta->lock); + ret = iwl_mvm_drain_sta(mvm, mvm_sta, true); } else { + spin_unlock_bh(&mvm_sta->lock); ret = iwl_mvm_rm_sta_common(mvm, mvm_sta->sta_id); rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], NULL); } diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h index 896f88ac8145..2dbf7ba7469a 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -273,7 +273,6 @@ struct iwl_mvm_tid_data { * @max_agg_bufsize: the maximal size of the AGG buffer for this station * @lock: lock to protect the whole struct. Since %tid_data is access from Tx * and from Tx response flow, it needs a spinlock. - * @pending_frames: number of frames for this STA on the shared Tx queues. * @tid_data: per tid data. Look at %iwl_mvm_tid_data. * * When mac80211 creates a station it reserves some space (hw->sta_data_size) @@ -288,7 +287,6 @@ struct iwl_mvm_sta { u16 tid_disable_agg; u8 max_agg_bufsize; spinlock_t lock; - atomic_t pending_frames; struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT]; struct iwl_lq_sta lq_sta; struct ieee80211_vif *vif; diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 6645efe5c03e..44f26f475f18 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -416,9 +416,8 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, spin_unlock(&mvmsta->lock); - if (mvmsta->vif->type == NL80211_IFTYPE_AP && - txq_id < IWL_FIRST_AMPDU_QUEUE) - atomic_inc(&mvmsta->pending_frames); + if (txq_id < IWL_FIRST_AMPDU_QUEUE) + atomic_inc(&mvm->pending_frames[mvmsta->sta_id]); return 0; @@ -678,16 +677,41 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, /* * If the txq is not an AMPDU queue, there is no chance we freed * several skbs. Check that out... - * If there are no pending frames for this STA, notify mac80211 that - * this station can go to sleep in its STA table. */ - if (txq_id < IWL_FIRST_AMPDU_QUEUE && mvmsta && - !WARN_ON(skb_freed > 1) && - mvmsta->vif->type == NL80211_IFTYPE_AP && - atomic_sub_and_test(skb_freed, &mvmsta->pending_frames)) { - ieee80211_sta_block_awake(mvm->hw, sta, false); - set_bit(sta_id, mvm->sta_drained); - schedule_work(&mvm->sta_drained_wk); + if (txq_id < IWL_FIRST_AMPDU_QUEUE && !WARN_ON(skb_freed > 1) && + atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) { + if (mvmsta) { + /* + * If there are no pending frames for this STA, notify + * mac80211 that this station can go to sleep in its + * STA table. + */ + if (mvmsta->vif->type == NL80211_IFTYPE_AP) + ieee80211_sta_block_awake(mvm->hw, sta, false); + /* + * We might very well have taken mvmsta pointer while + * the station was being removed. The remove flow might + * have seen a pending_frame (because we didn't take + * the lock) even if now the queues are drained. So make + * really sure now that this the station is not being + * removed. If it is, run the drain worker to remove it. + */ + spin_lock_bh(&mvmsta->lock); + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + if (IS_ERR_OR_NULL(sta)) { + /* + * Station disappeared in the meantime: + * so we are draining. + */ + set_bit(sta_id, mvm->sta_drained); + schedule_work(&mvm->sta_drained_wk); + } + spin_unlock_bh(&mvmsta->lock); + } else if (!mvmsta) { + /* Tx response without STA, so we are draining */ + set_bit(sta_id, mvm->sta_drained); + schedule_work(&mvm->sta_drained_wk); + } } rcu_read_unlock(); diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index cffdf4fbf161..2b49f48d8d89 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2118,7 +2118,6 @@ static const struct ieee80211_iface_limit hwsim_if_limits[] = { #endif BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_P2P_GO) }, - { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) }, }; static struct ieee80211_iface_combination hwsim_if_comb = { @@ -2230,8 +2229,7 @@ static int __init init_mac80211_hwsim(void) BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_MESH_POINT) | - BIT(NL80211_IFTYPE_P2P_DEVICE); + BIT(NL80211_IFTYPE_MESH_POINT); hw->flags = IEEE80211_HW_MFP_CAPABLE | IEEE80211_HW_SIGNAL_DBM | diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 8aaf56ade4d9..c13f6e9e52f1 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -2280,9 +2280,6 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) if (wdev->netdev->reg_state == NETREG_REGISTERED) unregister_netdevice(wdev->netdev); - if (wdev->netdev->reg_state == NETREG_UNREGISTERED) - free_netdev(wdev->netdev); - /* Clear the priv in adapter */ priv->netdev = NULL; diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index b5c8b962ce12..aeade10b9d58 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -1176,6 +1176,7 @@ mwifiex_process_hs_config(struct mwifiex_adapter *adapter) adapter->if_ops.wakeup(adapter); adapter->hs_activated = false; adapter->is_hs_configured = false; + adapter->is_suspended = false; mwifiex_hs_activated_event(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY), false); diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 9c802ede9c3b..6d9bc63d6dda 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -646,6 +646,7 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv, struct net_device *dev) { dev->netdev_ops = &mwifiex_netdev_ops; + dev->destructor = free_netdev; /* Initialize private structure */ priv->current_key_index = 0; priv->media_connected = false; diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index feb204613397..f024fb072dd4 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -2281,9 +2281,9 @@ static void mwifiex_pcie_cleanup(struct mwifiex_adapter *adapter) if (pdev) { pci_iounmap(pdev, card->pci_mmap); pci_iounmap(pdev, card->pci_mmap1); - - pci_release_regions(pdev); pci_disable_device(pdev); + pci_release_region(pdev, 2); + pci_release_region(pdev, 0); pci_set_drvdata(pdev, NULL); } } diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index 13100f8de3db..fb420fe0ec04 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -99,7 +99,7 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv, } else { /* Multicast */ priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; - if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) { + if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) { dev_dbg(priv->adapter->dev, "info: Enabling All Multicast!\n"); priv->curr_pkt_filter |= @@ -111,20 +111,11 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv, dev_dbg(priv->adapter->dev, "info: Set multicast list=%d\n", mcast_list->num_multicast_addr); - /* Set multicast addresses to firmware */ - if (old_pkt_filter == priv->curr_pkt_filter) { - /* Send request to firmware */ - ret = mwifiex_send_cmd_async(priv, - HostCmd_CMD_MAC_MULTICAST_ADR, - HostCmd_ACT_GEN_SET, 0, - mcast_list); - } else { - /* Send request to firmware */ - ret = mwifiex_send_cmd_async(priv, - HostCmd_CMD_MAC_MULTICAST_ADR, - HostCmd_ACT_GEN_SET, 0, - mcast_list); - } + /* Send multicast addresses to firmware */ + ret = mwifiex_send_cmd_async(priv, + HostCmd_CMD_MAC_MULTICAST_ADR, + HostCmd_ACT_GEN_SET, 0, + mcast_list); } } } diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index a658b4bc7da2..92849e5cf657 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -4436,6 +4436,8 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev) if (!rt2x00_rt(rt2x00dev, RT5390) && !rt2x00_rt(rt2x00dev, RT5392)) { + u8 min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2; + rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0); if (rt2x00_rt(rt2x00dev, RT3070) || @@ -4446,8 +4448,10 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev) &rt2x00dev->cap_flags)) rt2x00_set_field8(&rfcsr, RFCSR17_R, 1); } - rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN, - drv_data->txmixer_gain_24g); + if (drv_data->txmixer_gain_24g >= min_gain) { + rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN, + drv_data->txmixer_gain_24g); + } rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); } diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index cd49ba949636..8099e9d3edda 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -47,11 +47,33 @@ #include <asm/xen/hypercall.h> #include <asm/xen/page.h> +/* + * This is the maximum slots a skb can have. If a guest sends a skb + * which exceeds this limit it is considered malicious. + */ +#define FATAL_SKB_SLOTS_DEFAULT 20 +static unsigned int fatal_skb_slots = FATAL_SKB_SLOTS_DEFAULT; +module_param(fatal_skb_slots, uint, 0444); + +/* + * To avoid confusion, we define XEN_NETBK_LEGACY_SLOTS_MAX indicating + * the maximum slots a valid packet can use. Now this value is defined + * to be XEN_NETIF_NR_SLOTS_MIN, which is supposed to be supported by + * all backend. + */ +#define XEN_NETBK_LEGACY_SLOTS_MAX XEN_NETIF_NR_SLOTS_MIN + +typedef unsigned int pending_ring_idx_t; +#define INVALID_PENDING_RING_IDX (~0U) + struct pending_tx_info { - struct xen_netif_tx_request req; + struct xen_netif_tx_request req; /* coalesced tx request */ struct xenvif *vif; + pending_ring_idx_t head; /* head != INVALID_PENDING_RING_IDX + * if it is head of one or more tx + * reqs + */ }; -typedef unsigned int pending_ring_idx_t; struct netbk_rx_meta { int id; @@ -102,7 +124,11 @@ struct xen_netbk { atomic_t netfront_count; struct pending_tx_info pending_tx_info[MAX_PENDING_REQS]; - struct gnttab_copy tx_copy_ops[MAX_PENDING_REQS]; + /* Coalescing tx requests before copying makes number of grant + * copy ops greater or equal to number of slots required. In + * worst case a tx request consumes 2 gnttab_copy. + */ + struct gnttab_copy tx_copy_ops[2*MAX_PENDING_REQS]; u16 pending_ring[MAX_PENDING_REQS]; @@ -118,6 +144,16 @@ struct xen_netbk { static struct xen_netbk *xen_netbk; static int xen_netbk_group_nr; +/* + * If head != INVALID_PENDING_RING_IDX, it means this tx request is head of + * one or more merged tx requests, otherwise it is the continuation of + * previous tx request. + */ +static inline int pending_tx_is_head(struct xen_netbk *netbk, RING_IDX idx) +{ + return netbk->pending_tx_info[idx].head != INVALID_PENDING_RING_IDX; +} + void xen_netbk_add_xenvif(struct xenvif *vif) { int i; @@ -250,6 +286,7 @@ static int max_required_rx_slots(struct xenvif *vif) { int max = DIV_ROUND_UP(vif->dev->mtu, PAGE_SIZE); + /* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */ if (vif->can_sg || vif->gso || vif->gso_prefix) max += MAX_SKB_FRAGS + 1; /* extra_info + frags */ @@ -657,6 +694,7 @@ static void xen_netbk_rx_action(struct xen_netbk *netbk) __skb_queue_tail(&rxq, skb); /* Filled the batch queue? */ + /* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */ if (count + MAX_SKB_FRAGS >= XEN_NETIF_RX_RING_SIZE) break; } @@ -902,47 +940,99 @@ static int netbk_count_requests(struct xenvif *vif, int work_to_do) { RING_IDX cons = vif->tx.req_cons; - int frags = 0; + int slots = 0; + int drop_err = 0; + int more_data; if (!(first->flags & XEN_NETTXF_more_data)) return 0; do { - if (frags >= work_to_do) { - netdev_err(vif->dev, "Need more frags\n"); + struct xen_netif_tx_request dropped_tx = { 0 }; + + if (slots >= work_to_do) { + netdev_err(vif->dev, + "Asked for %d slots but exceeds this limit\n", + work_to_do); netbk_fatal_tx_err(vif); return -ENODATA; } - if (unlikely(frags >= MAX_SKB_FRAGS)) { - netdev_err(vif->dev, "Too many frags\n"); + /* This guest is really using too many slots and + * considered malicious. + */ + if (unlikely(slots >= fatal_skb_slots)) { + netdev_err(vif->dev, + "Malicious frontend using %d slots, threshold %u\n", + slots, fatal_skb_slots); netbk_fatal_tx_err(vif); return -E2BIG; } - memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + frags), + /* Xen network protocol had implicit dependency on + * MAX_SKB_FRAGS. XEN_NETBK_LEGACY_SLOTS_MAX is set to + * the historical MAX_SKB_FRAGS value 18 to honor the + * same behavior as before. Any packet using more than + * 18 slots but less than fatal_skb_slots slots is + * dropped + */ + if (!drop_err && slots >= XEN_NETBK_LEGACY_SLOTS_MAX) { + if (net_ratelimit()) + netdev_dbg(vif->dev, + "Too many slots (%d) exceeding limit (%d), dropping packet\n", + slots, XEN_NETBK_LEGACY_SLOTS_MAX); + drop_err = -E2BIG; + } + + if (drop_err) + txp = &dropped_tx; + + memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + slots), sizeof(*txp)); - if (txp->size > first->size) { - netdev_err(vif->dev, "Frag is bigger than frame.\n"); - netbk_fatal_tx_err(vif); - return -EIO; + + /* If the guest submitted a frame >= 64 KiB then + * first->size overflowed and following slots will + * appear to be larger than the frame. + * + * This cannot be fatal error as there are buggy + * frontends that do this. + * + * Consume all slots and drop the packet. + */ + if (!drop_err && txp->size > first->size) { + if (net_ratelimit()) + netdev_dbg(vif->dev, + "Invalid tx request, slot size %u > remaining size %u\n", + txp->size, first->size); + drop_err = -EIO; } first->size -= txp->size; - frags++; + slots++; if (unlikely((txp->offset + txp->size) > PAGE_SIZE)) { - netdev_err(vif->dev, "txp->offset: %x, size: %u\n", + netdev_err(vif->dev, "Cross page boundary, txp->offset: %x, size: %u\n", txp->offset, txp->size); netbk_fatal_tx_err(vif); return -EINVAL; } - } while ((txp++)->flags & XEN_NETTXF_more_data); - return frags; + + more_data = txp->flags & XEN_NETTXF_more_data; + + if (!drop_err) + txp++; + + } while (more_data); + + if (drop_err) { + netbk_tx_err(vif, first, cons + slots); + return drop_err; + } + + return slots; } static struct page *xen_netbk_alloc_page(struct xen_netbk *netbk, - struct sk_buff *skb, u16 pending_idx) { struct page *page; @@ -963,48 +1053,114 @@ static struct gnttab_copy *xen_netbk_get_requests(struct xen_netbk *netbk, struct skb_shared_info *shinfo = skb_shinfo(skb); skb_frag_t *frags = shinfo->frags; u16 pending_idx = *((u16 *)skb->data); - int i, start; + u16 head_idx = 0; + int slot, start; + struct page *page; + pending_ring_idx_t index, start_idx = 0; + uint16_t dst_offset; + unsigned int nr_slots; + struct pending_tx_info *first = NULL; + + /* At this point shinfo->nr_frags is in fact the number of + * slots, which can be as large as XEN_NETBK_LEGACY_SLOTS_MAX. + */ + nr_slots = shinfo->nr_frags; /* Skip first skb fragment if it is on same page as header fragment. */ start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx); - for (i = start; i < shinfo->nr_frags; i++, txp++) { - struct page *page; - pending_ring_idx_t index; + /* Coalesce tx requests, at this point the packet passed in + * should be <= 64K. Any packets larger than 64K have been + * handled in netbk_count_requests(). + */ + for (shinfo->nr_frags = slot = start; slot < nr_slots; + shinfo->nr_frags++) { struct pending_tx_info *pending_tx_info = netbk->pending_tx_info; - index = pending_index(netbk->pending_cons++); - pending_idx = netbk->pending_ring[index]; - page = xen_netbk_alloc_page(netbk, skb, pending_idx); + page = alloc_page(GFP_KERNEL|__GFP_COLD); if (!page) goto err; - gop->source.u.ref = txp->gref; - gop->source.domid = vif->domid; - gop->source.offset = txp->offset; - - gop->dest.u.gmfn = virt_to_mfn(page_address(page)); - gop->dest.domid = DOMID_SELF; - gop->dest.offset = txp->offset; - - gop->len = txp->size; - gop->flags = GNTCOPY_source_gref; + dst_offset = 0; + first = NULL; + while (dst_offset < PAGE_SIZE && slot < nr_slots) { + gop->flags = GNTCOPY_source_gref; + + gop->source.u.ref = txp->gref; + gop->source.domid = vif->domid; + gop->source.offset = txp->offset; + + gop->dest.domid = DOMID_SELF; + + gop->dest.offset = dst_offset; + gop->dest.u.gmfn = virt_to_mfn(page_address(page)); + + if (dst_offset + txp->size > PAGE_SIZE) { + /* This page can only merge a portion + * of tx request. Do not increment any + * pointer / counter here. The txp + * will be dealt with in future + * rounds, eventually hitting the + * `else` branch. + */ + gop->len = PAGE_SIZE - dst_offset; + txp->offset += gop->len; + txp->size -= gop->len; + dst_offset += gop->len; /* quit loop */ + } else { + /* This tx request can be merged in the page */ + gop->len = txp->size; + dst_offset += gop->len; + + index = pending_index(netbk->pending_cons++); + + pending_idx = netbk->pending_ring[index]; + + memcpy(&pending_tx_info[pending_idx].req, txp, + sizeof(*txp)); + xenvif_get(vif); + + pending_tx_info[pending_idx].vif = vif; + + /* Poison these fields, corresponding + * fields for head tx req will be set + * to correct values after the loop. + */ + netbk->mmap_pages[pending_idx] = (void *)(~0UL); + pending_tx_info[pending_idx].head = + INVALID_PENDING_RING_IDX; + + if (!first) { + first = &pending_tx_info[pending_idx]; + start_idx = index; + head_idx = pending_idx; + } + + txp++; + slot++; + } - gop++; + gop++; + } - memcpy(&pending_tx_info[pending_idx].req, txp, sizeof(*txp)); - xenvif_get(vif); - pending_tx_info[pending_idx].vif = vif; - frag_set_pending_idx(&frags[i], pending_idx); + first->req.offset = 0; + first->req.size = dst_offset; + first->head = start_idx; + set_page_ext(page, netbk, head_idx); + netbk->mmap_pages[head_idx] = page; + frag_set_pending_idx(&frags[shinfo->nr_frags], head_idx); } + BUG_ON(shinfo->nr_frags > MAX_SKB_FRAGS); + return gop; err: /* Unwind, freeing all pages and sending error responses. */ - while (i-- > start) { - xen_netbk_idx_release(netbk, frag_get_pending_idx(&frags[i]), - XEN_NETIF_RSP_ERROR); + while (shinfo->nr_frags-- > start) { + xen_netbk_idx_release(netbk, + frag_get_pending_idx(&frags[shinfo->nr_frags]), + XEN_NETIF_RSP_ERROR); } /* The head too, if necessary. */ if (start) @@ -1020,8 +1176,10 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk, struct gnttab_copy *gop = *gopp; u16 pending_idx = *((u16 *)skb->data); struct skb_shared_info *shinfo = skb_shinfo(skb); + struct pending_tx_info *tx_info; int nr_frags = shinfo->nr_frags; int i, err, start; + u16 peek; /* peek into next tx request */ /* Check status of header. */ err = gop->status; @@ -1033,11 +1191,20 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk, for (i = start; i < nr_frags; i++) { int j, newerr; + pending_ring_idx_t head; pending_idx = frag_get_pending_idx(&shinfo->frags[i]); + tx_info = &netbk->pending_tx_info[pending_idx]; + head = tx_info->head; /* Check error status: if okay then remember grant handle. */ - newerr = (++gop)->status; + do { + newerr = (++gop)->status; + if (newerr) + break; + peek = netbk->pending_ring[pending_index(++head)]; + } while (!pending_tx_is_head(netbk, peek)); + if (likely(!newerr)) { /* Had a previous error? Invalidate this fragment. */ if (unlikely(err)) @@ -1262,11 +1429,12 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) struct sk_buff *skb; int ret; - while (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) && + while ((nr_pending_reqs(netbk) + XEN_NETBK_LEGACY_SLOTS_MAX + < MAX_PENDING_REQS) && !list_empty(&netbk->net_schedule_list)) { struct xenvif *vif; struct xen_netif_tx_request txreq; - struct xen_netif_tx_request txfrags[MAX_SKB_FRAGS]; + struct xen_netif_tx_request txfrags[XEN_NETBK_LEGACY_SLOTS_MAX]; struct page *page; struct xen_netif_extra_info extras[XEN_NETIF_EXTRA_TYPE_MAX-1]; u16 pending_idx; @@ -1354,7 +1522,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) pending_idx = netbk->pending_ring[index]; data_len = (txreq.size > PKT_PROT_LEN && - ret < MAX_SKB_FRAGS) ? + ret < XEN_NETBK_LEGACY_SLOTS_MAX) ? PKT_PROT_LEN : txreq.size; skb = alloc_skb(data_len + NET_SKB_PAD + NET_IP_ALIGN, @@ -1381,7 +1549,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) } /* XXX could copy straight to head */ - page = xen_netbk_alloc_page(netbk, skb, pending_idx); + page = xen_netbk_alloc_page(netbk, pending_idx); if (!page) { kfree_skb(skb); netbk_tx_err(vif, &txreq, idx); @@ -1404,6 +1572,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) memcpy(&netbk->pending_tx_info[pending_idx].req, &txreq, sizeof(txreq)); netbk->pending_tx_info[pending_idx].vif = vif; + netbk->pending_tx_info[pending_idx].head = index; *((u16 *)skb->data) = pending_idx; __skb_put(skb, data_len); @@ -1531,7 +1700,10 @@ static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx, { struct xenvif *vif; struct pending_tx_info *pending_tx_info; - pending_ring_idx_t index; + pending_ring_idx_t head; + u16 peek; /* peek into next tx request */ + + BUG_ON(netbk->mmap_pages[pending_idx] == (void *)(~0UL)); /* Already complete? */ if (netbk->mmap_pages[pending_idx] == NULL) @@ -1540,19 +1712,40 @@ static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx, pending_tx_info = &netbk->pending_tx_info[pending_idx]; vif = pending_tx_info->vif; + head = pending_tx_info->head; + + BUG_ON(!pending_tx_is_head(netbk, head)); + BUG_ON(netbk->pending_ring[pending_index(head)] != pending_idx); - make_tx_response(vif, &pending_tx_info->req, status); + do { + pending_ring_idx_t index; + pending_ring_idx_t idx = pending_index(head); + u16 info_idx = netbk->pending_ring[idx]; - index = pending_index(netbk->pending_prod++); - netbk->pending_ring[index] = pending_idx; + pending_tx_info = &netbk->pending_tx_info[info_idx]; + make_tx_response(vif, &pending_tx_info->req, status); - xenvif_put(vif); + /* Setting any number other than + * INVALID_PENDING_RING_IDX indicates this slot is + * starting a new packet / ending a previous packet. + */ + pending_tx_info->head = 0; + + index = pending_index(netbk->pending_prod++); + netbk->pending_ring[index] = netbk->pending_ring[info_idx]; + + xenvif_put(vif); + + peek = netbk->pending_ring[pending_index(++head)]; + + } while (!pending_tx_is_head(netbk, peek)); netbk->mmap_pages[pending_idx]->mapping = 0; put_page(netbk->mmap_pages[pending_idx]); netbk->mmap_pages[pending_idx] = NULL; } + static void make_tx_response(struct xenvif *vif, struct xen_netif_tx_request *txp, s8 st) @@ -1605,8 +1798,9 @@ static inline int rx_work_todo(struct xen_netbk *netbk) static inline int tx_work_todo(struct xen_netbk *netbk) { - if (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) && - !list_empty(&netbk->net_schedule_list)) + if ((nr_pending_reqs(netbk) + XEN_NETBK_LEGACY_SLOTS_MAX + < MAX_PENDING_REQS) && + !list_empty(&netbk->net_schedule_list)) return 1; return 0; @@ -1689,6 +1883,13 @@ static int __init netback_init(void) if (!xen_domain()) return -ENODEV; + if (fatal_skb_slots < XEN_NETBK_LEGACY_SLOTS_MAX) { + printk(KERN_INFO + "xen-netback: fatal_skb_slots too small (%d), bump it to XEN_NETBK_LEGACY_SLOTS_MAX (%d)\n", + fatal_skb_slots, XEN_NETBK_LEGACY_SLOTS_MAX); + fatal_skb_slots = XEN_NETBK_LEGACY_SLOTS_MAX; + } + xen_netbk_group_nr = num_online_cpus(); xen_netbk = vzalloc(sizeof(struct xen_netbk) * xen_netbk_group_nr); if (!xen_netbk) diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 7ffa43bd7cf9..1f57423c7947 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -36,7 +36,7 @@ #include <linux/skbuff.h> #include <linux/ethtool.h> #include <linux/if_ether.h> -#include <linux/tcp.h> +#include <net/tcp.h> #include <linux/udp.h> #include <linux/moduleparam.h> #include <linux/mm.h> @@ -548,6 +548,16 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) unsigned int len = skb_headlen(skb); unsigned long flags; + /* If skb->len is too big for wire format, drop skb and alert + * user about misconfiguration. + */ + if (unlikely(skb->len > XEN_NETIF_MAX_TX_SIZE)) { + net_alert_ratelimited( + "xennet: skb->len = %u, too big for wire format\n", + skb->len); + goto drop; + } + slots = DIV_ROUND_UP(offset + len, PAGE_SIZE) + xennet_count_skb_frag_slots(skb); if (unlikely(slots > MAX_SKB_FRAGS + 1)) { @@ -1064,7 +1074,8 @@ err: static int xennet_change_mtu(struct net_device *dev, int mtu) { - int max = xennet_can_sg(dev) ? 65535 - ETH_HLEN : ETH_DATA_LEN; + int max = xennet_can_sg(dev) ? + XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER : ETH_DATA_LEN; if (mtu > max) return -EINVAL; @@ -1368,6 +1379,8 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev) SET_ETHTOOL_OPS(netdev, &xennet_ethtool_ops); SET_NETDEV_DEV(netdev, &dev->dev); + netif_set_gso_max_size(netdev, XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER); + np->netdev = netdev; netif_carrier_off(netdev); diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c index f802e7c92356..2dacd19e1b8a 100644 --- a/drivers/ntb/ntb_hw.c +++ b/drivers/ntb/ntb_hw.c @@ -345,7 +345,7 @@ int ntb_read_remote_spad(struct ntb_device *ndev, unsigned int idx, u32 *val) */ void __iomem *ntb_get_mw_vbase(struct ntb_device *ndev, unsigned int mw) { - if (mw > NTB_NUM_MW) + if (mw >= NTB_NUM_MW) return NULL; return ndev->mw[mw].vbase; @@ -362,7 +362,7 @@ void __iomem *ntb_get_mw_vbase(struct ntb_device *ndev, unsigned int mw) */ resource_size_t ntb_get_mw_size(struct ntb_device *ndev, unsigned int mw) { - if (mw > NTB_NUM_MW) + if (mw >= NTB_NUM_MW) return 0; return ndev->mw[mw].bar_sz; @@ -380,7 +380,7 @@ resource_size_t ntb_get_mw_size(struct ntb_device *ndev, unsigned int mw) */ void ntb_set_mw_addr(struct ntb_device *ndev, unsigned int mw, u64 addr) { - if (mw > NTB_NUM_MW) + if (mw >= NTB_NUM_MW) return; dev_dbg(&ndev->pdev->dev, "Writing addr %Lx to BAR %d\n", addr, @@ -1027,8 +1027,8 @@ static int ntb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) ndev->mw[i].vbase = ioremap_wc(pci_resource_start(pdev, MW_TO_BAR(i)), ndev->mw[i].bar_sz); - dev_info(&pdev->dev, "MW %d size %d\n", i, - (u32) pci_resource_len(pdev, MW_TO_BAR(i))); + dev_info(&pdev->dev, "MW %d size %llu\n", i, + pci_resource_len(pdev, MW_TO_BAR(i))); if (!ndev->mw[i].vbase) { dev_warn(&pdev->dev, "Cannot remap BAR %d\n", MW_TO_BAR(i)); diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index e0bdfd7f9930..f8d7081ee301 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -58,7 +58,7 @@ #include <linux/ntb.h> #include "ntb_hw.h" -#define NTB_TRANSPORT_VERSION 2 +#define NTB_TRANSPORT_VERSION 3 static unsigned int transport_mtu = 0x401E; module_param(transport_mtu, uint, 0644); @@ -173,10 +173,13 @@ struct ntb_payload_header { enum { VERSION = 0, - MW0_SZ, - MW1_SZ, - NUM_QPS, QP_LINKS, + NUM_QPS, + NUM_MWS, + MW0_SZ_HIGH, + MW0_SZ_LOW, + MW1_SZ_HIGH, + MW1_SZ_LOW, MAX_SPAD, }; @@ -297,7 +300,7 @@ int ntb_register_client_dev(char *device_name) { struct ntb_transport_client_dev *client_dev; struct ntb_transport *nt; - int rc; + int rc, i = 0; if (list_empty(&ntb_transport_list)) return -ENODEV; @@ -315,7 +318,7 @@ int ntb_register_client_dev(char *device_name) dev = &client_dev->dev; /* setup and register client devices */ - dev_set_name(dev, "%s", device_name); + dev_set_name(dev, "%s%d", device_name, i); dev->bus = &ntb_bus_type; dev->release = ntb_client_release; dev->parent = &ntb_query_pdev(nt->ndev)->dev; @@ -327,6 +330,7 @@ int ntb_register_client_dev(char *device_name) } list_add_tail(&client_dev->entry, &nt->client_devs); + i++; } return 0; @@ -486,12 +490,13 @@ static void ntb_transport_setup_qp_mw(struct ntb_transport *nt, (qp_num / NTB_NUM_MW * rx_size); rx_size -= sizeof(struct ntb_rx_info); - qp->rx_buff = qp->remote_rx_info + sizeof(struct ntb_rx_info); - qp->rx_max_frame = min(transport_mtu, rx_size); + qp->rx_buff = qp->remote_rx_info + 1; + /* Due to housekeeping, there must be atleast 2 buffs */ + qp->rx_max_frame = min(transport_mtu, rx_size / 2); qp->rx_max_entry = rx_size / qp->rx_max_frame; qp->rx_index = 0; - qp->remote_rx_info->entry = qp->rx_max_entry; + qp->remote_rx_info->entry = qp->rx_max_entry - 1; /* setup the hdr offsets with 0's */ for (i = 0; i < qp->rx_max_entry; i++) { @@ -502,6 +507,19 @@ static void ntb_transport_setup_qp_mw(struct ntb_transport *nt, qp->rx_pkts = 0; qp->tx_pkts = 0; + qp->tx_index = 0; +} + +static void ntb_free_mw(struct ntb_transport *nt, int num_mw) +{ + struct ntb_transport_mw *mw = &nt->mw[num_mw]; + struct pci_dev *pdev = ntb_query_pdev(nt->ndev); + + if (!mw->virt_addr) + return; + + dma_free_coherent(&pdev->dev, mw->size, mw->virt_addr, mw->dma_addr); + mw->virt_addr = NULL; } static int ntb_set_mw(struct ntb_transport *nt, int num_mw, unsigned int size) @@ -509,12 +527,20 @@ static int ntb_set_mw(struct ntb_transport *nt, int num_mw, unsigned int size) struct ntb_transport_mw *mw = &nt->mw[num_mw]; struct pci_dev *pdev = ntb_query_pdev(nt->ndev); + /* No need to re-setup */ + if (mw->size == ALIGN(size, 4096)) + return 0; + + if (mw->size != 0) + ntb_free_mw(nt, num_mw); + /* Alloc memory for receiving data. Must be 4k aligned */ mw->size = ALIGN(size, 4096); mw->virt_addr = dma_alloc_coherent(&pdev->dev, mw->size, &mw->dma_addr, GFP_KERNEL); if (!mw->virt_addr) { + mw->size = 0; dev_err(&pdev->dev, "Unable to allocate MW buffer of size %d\n", (int) mw->size); return -ENOMEM; @@ -604,25 +630,31 @@ static void ntb_transport_link_work(struct work_struct *work) u32 val; int rc, i; - /* send the local info */ - rc = ntb_write_remote_spad(ndev, VERSION, NTB_TRANSPORT_VERSION); - if (rc) { - dev_err(&pdev->dev, "Error writing %x to remote spad %d\n", - 0, VERSION); - goto out; - } + /* send the local info, in the opposite order of the way we read it */ + for (i = 0; i < NTB_NUM_MW; i++) { + rc = ntb_write_remote_spad(ndev, MW0_SZ_HIGH + (i * 2), + ntb_get_mw_size(ndev, i) >> 32); + if (rc) { + dev_err(&pdev->dev, "Error writing %u to remote spad %d\n", + (u32)(ntb_get_mw_size(ndev, i) >> 32), + MW0_SZ_HIGH + (i * 2)); + goto out; + } - rc = ntb_write_remote_spad(ndev, MW0_SZ, ntb_get_mw_size(ndev, 0)); - if (rc) { - dev_err(&pdev->dev, "Error writing %x to remote spad %d\n", - (u32) ntb_get_mw_size(ndev, 0), MW0_SZ); - goto out; + rc = ntb_write_remote_spad(ndev, MW0_SZ_LOW + (i * 2), + (u32) ntb_get_mw_size(ndev, i)); + if (rc) { + dev_err(&pdev->dev, "Error writing %u to remote spad %d\n", + (u32) ntb_get_mw_size(ndev, i), + MW0_SZ_LOW + (i * 2)); + goto out; + } } - rc = ntb_write_remote_spad(ndev, MW1_SZ, ntb_get_mw_size(ndev, 1)); + rc = ntb_write_remote_spad(ndev, NUM_MWS, NTB_NUM_MW); if (rc) { dev_err(&pdev->dev, "Error writing %x to remote spad %d\n", - (u32) ntb_get_mw_size(ndev, 1), MW1_SZ); + NTB_NUM_MW, NUM_MWS); goto out; } @@ -633,16 +665,10 @@ static void ntb_transport_link_work(struct work_struct *work) goto out; } - rc = ntb_read_local_spad(nt->ndev, QP_LINKS, &val); - if (rc) { - dev_err(&pdev->dev, "Error reading spad %d\n", QP_LINKS); - goto out; - } - - rc = ntb_write_remote_spad(ndev, QP_LINKS, val); + rc = ntb_write_remote_spad(ndev, VERSION, NTB_TRANSPORT_VERSION); if (rc) { dev_err(&pdev->dev, "Error writing %x to remote spad %d\n", - val, QP_LINKS); + NTB_TRANSPORT_VERSION, VERSION); goto out; } @@ -667,33 +693,43 @@ static void ntb_transport_link_work(struct work_struct *work) goto out; dev_dbg(&pdev->dev, "Remote max number of qps = %d\n", val); - rc = ntb_read_remote_spad(ndev, MW0_SZ, &val); + rc = ntb_read_remote_spad(ndev, NUM_MWS, &val); if (rc) { - dev_err(&pdev->dev, "Error reading remote spad %d\n", MW0_SZ); + dev_err(&pdev->dev, "Error reading remote spad %d\n", NUM_MWS); goto out; } - if (!val) + if (val != NTB_NUM_MW) goto out; - dev_dbg(&pdev->dev, "Remote MW0 size = %d\n", val); + dev_dbg(&pdev->dev, "Remote number of mws = %d\n", val); - rc = ntb_set_mw(nt, 0, val); - if (rc) - goto out; + for (i = 0; i < NTB_NUM_MW; i++) { + u64 val64; - rc = ntb_read_remote_spad(ndev, MW1_SZ, &val); - if (rc) { - dev_err(&pdev->dev, "Error reading remote spad %d\n", MW1_SZ); - goto out; - } + rc = ntb_read_remote_spad(ndev, MW0_SZ_HIGH + (i * 2), &val); + if (rc) { + dev_err(&pdev->dev, "Error reading remote spad %d\n", + MW0_SZ_HIGH + (i * 2)); + goto out1; + } - if (!val) - goto out; - dev_dbg(&pdev->dev, "Remote MW1 size = %d\n", val); + val64 = (u64) val << 32; - rc = ntb_set_mw(nt, 1, val); - if (rc) - goto out; + rc = ntb_read_remote_spad(ndev, MW0_SZ_LOW + (i * 2), &val); + if (rc) { + dev_err(&pdev->dev, "Error reading remote spad %d\n", + MW0_SZ_LOW + (i * 2)); + goto out1; + } + + val64 |= val; + + dev_dbg(&pdev->dev, "Remote MW%d size = %llu\n", i, val64); + + rc = ntb_set_mw(nt, i, val64); + if (rc) + goto out1; + } nt->transport_link = NTB_LINK_UP; @@ -708,6 +744,9 @@ static void ntb_transport_link_work(struct work_struct *work) return; +out1: + for (i = 0; i < NTB_NUM_MW; i++) + ntb_free_mw(nt, i); out: if (ntb_hw_link_status(ndev)) schedule_delayed_work(&nt->link_work, @@ -780,10 +819,10 @@ static void ntb_transport_init_queue(struct ntb_transport *nt, (qp_num / NTB_NUM_MW * tx_size); tx_size -= sizeof(struct ntb_rx_info); - qp->tx_mw = qp->rx_info + sizeof(struct ntb_rx_info); - qp->tx_max_frame = min(transport_mtu, tx_size); + qp->tx_mw = qp->rx_info + 1; + /* Due to housekeeping, there must be atleast 2 buffs */ + qp->tx_max_frame = min(transport_mtu, tx_size / 2); qp->tx_max_entry = tx_size / qp->tx_max_frame; - qp->tx_index = 0; if (nt->debugfs_dir) { char debugfs_name[4]; @@ -897,10 +936,7 @@ void ntb_transport_free(void *transport) pdev = ntb_query_pdev(nt->ndev); for (i = 0; i < NTB_NUM_MW; i++) - if (nt->mw[i].virt_addr) - dma_free_coherent(&pdev->dev, nt->mw[i].size, - nt->mw[i].virt_addr, - nt->mw[i].dma_addr); + ntb_free_mw(nt, i); kfree(nt->qps); ntb_unregister_transport(nt->ndev); @@ -999,11 +1035,16 @@ out: static void ntb_transport_rx(unsigned long data) { struct ntb_transport_qp *qp = (struct ntb_transport_qp *)data; - int rc; + int rc, i; - do { + /* Limit the number of packets processed in a single interrupt to + * provide fairness to others + */ + for (i = 0; i < qp->rx_max_entry; i++) { rc = ntb_process_rxc(qp); - } while (!rc); + if (rc) + break; + } } static void ntb_transport_rxc_db(void *data, int db_num) @@ -1210,12 +1251,14 @@ EXPORT_SYMBOL_GPL(ntb_transport_create_queue); */ void ntb_transport_free_queue(struct ntb_transport_qp *qp) { - struct pci_dev *pdev = ntb_query_pdev(qp->ndev); + struct pci_dev *pdev; struct ntb_queue_entry *entry; if (!qp) return; + pdev = ntb_query_pdev(qp->ndev); + cancel_delayed_work_sync(&qp->link_work); ntb_unregister_db_callback(qp->ndev, qp->qp_num); @@ -1371,12 +1414,13 @@ EXPORT_SYMBOL_GPL(ntb_transport_link_up); */ void ntb_transport_link_down(struct ntb_transport_qp *qp) { - struct pci_dev *pdev = ntb_query_pdev(qp->ndev); + struct pci_dev *pdev; int rc, val; if (!qp) return; + pdev = ntb_query_pdev(qp->ndev); qp->client_ready = NTB_LINK_DOWN; rc = ntb_read_local_spad(qp->ndev, QP_LINKS, &val); @@ -1408,6 +1452,9 @@ EXPORT_SYMBOL_GPL(ntb_transport_link_down); */ bool ntb_transport_link_query(struct ntb_transport_qp *qp) { + if (!qp) + return false; + return qp->qp_link == NTB_LINK_UP; } EXPORT_SYMBOL_GPL(ntb_transport_link_query); @@ -1422,6 +1469,9 @@ EXPORT_SYMBOL_GPL(ntb_transport_link_query); */ unsigned char ntb_transport_qp_num(struct ntb_transport_qp *qp) { + if (!qp) + return 0; + return qp->qp_num; } EXPORT_SYMBOL_GPL(ntb_transport_qp_num); @@ -1436,6 +1486,9 @@ EXPORT_SYMBOL_GPL(ntb_transport_qp_num); */ unsigned int ntb_transport_max_size(struct ntb_transport_qp *qp) { + if (!qp) + return 0; + return qp->tx_max_frame - sizeof(struct ntb_payload_header); } EXPORT_SYMBOL_GPL(ntb_transport_max_size); diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 8647dc6f52d0..f9c61fb802b1 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -174,6 +174,7 @@ int pci_bus_add_device(struct pci_dev *dev) * Can not put in pci_device_add yet because resources * are not assigned yet for some devices. */ + pci_fixup_device(pci_fixup_final, dev); pci_create_sysfs_dev_files(dev); dev->match_driver = true; diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b099e0025d2b..fc9bd81e8e3b 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -646,15 +646,11 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state) error = platform_pci_set_power_state(dev, state); if (!error) pci_update_current_state(dev, state); - /* Fall back to PCI_D0 if native PM is not supported */ - if (!dev->pm_cap) - dev->current_state = PCI_D0; - } else { + } else error = -ENODEV; - /* Fall back to PCI_D0 if native PM is not supported */ - if (!dev->pm_cap) - dev->current_state = PCI_D0; - } + + if (error && !dev->pm_cap) /* Fall back to PCI_D0 */ + dev->current_state = PCI_D0; return error; } diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index b494066ef32f..54277879124a 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1339,7 +1339,6 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus) list_add_tail(&dev->bus_list, &bus->devices); up_write(&pci_bus_sem); - pci_fixup_device(pci_fixup_final, dev); ret = pcibios_add_device(dev); WARN_ON(ret < 0); diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index e64a7a870d42..a8e43cf70fac 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -362,7 +362,8 @@ static int lis3lv02d_suspend(struct device *dev) static int lis3lv02d_resume(struct device *dev) { - return lis3lv02d_poweron(&lis3_dev); + lis3lv02d_poweron(&lis3_dev); + return 0; } static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume); diff --git a/drivers/pwm/pwm-spear.c b/drivers/pwm/pwm-spear.c index 69a2d9eb34db..3223b57e8f9c 100644 --- a/drivers/pwm/pwm-spear.c +++ b/drivers/pwm/pwm-spear.c @@ -143,7 +143,7 @@ static int spear_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) u32 val; rc = clk_enable(pc->clk); - if (!rc) + if (rc) return rc; val = spear_pwm_readl(pc, pwm->hwpwm, PWMCR); @@ -209,12 +209,12 @@ static int spear_pwm_probe(struct platform_device *pdev) pc->chip.npwm = NUM_PWM; ret = clk_prepare(pc->clk); - if (!ret) + if (ret) return ret; if (of_device_is_compatible(np, "st,spear1340-pwm")) { ret = clk_enable(pc->clk); - if (!ret) { + if (ret) { clk_unprepare(pc->clk); return ret; } diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c index 6faba406b6e9..a8b2c23a7ef4 100644 --- a/drivers/rapidio/devices/tsi721.c +++ b/drivers/rapidio/devices/tsi721.c @@ -471,6 +471,10 @@ static irqreturn_t tsi721_irqhandler(int irq, void *ptr) u32 intval; u32 ch_inte; + /* For MSI mode disable all device-level interrupts */ + if (priv->flags & TSI721_USING_MSI) + iowrite32(0, priv->regs + TSI721_DEV_INTE); + dev_int = ioread32(priv->regs + TSI721_DEV_INT); if (!dev_int) return IRQ_NONE; @@ -560,6 +564,14 @@ static irqreturn_t tsi721_irqhandler(int irq, void *ptr) } } #endif + + /* For MSI mode re-enable device-level interrupts */ + if (priv->flags & TSI721_USING_MSI) { + dev_int = TSI721_DEV_INT_SR2PC_CH | TSI721_DEV_INT_SRIO | + TSI721_DEV_INT_SMSG_CH | TSI721_DEV_INT_BDMA_CH; + iowrite32(dev_int, priv->regs + TSI721_DEV_INTE); + } + return IRQ_HANDLED; } diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 39cf14606784..149fad495ca8 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -677,7 +677,7 @@ static int palmas_probe(struct platform_device *pdev) pmic->desc[id].vsel_mask = SMPS10_VSEL; pmic->desc[id].enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, - PALMAS_SMPS10_STATUS); + PALMAS_SMPS10_CTRL); pmic->desc[id].enable_mask = SMPS10_BOOST_EN; pmic->desc[id].min_uV = 3750000; pmic->desc[id].uV_step = 1250000; diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig index c6d77e20622c..be6e12125622 100644 --- a/drivers/remoteproc/Kconfig +++ b/drivers/remoteproc/Kconfig @@ -6,6 +6,7 @@ config REMOTEPROC depends on HAS_DMA select FW_LOADER select VIRTIO + select VIRTUALIZATION config OMAP_REMOTEPROC tristate "OMAP remoteproc support" diff --git a/drivers/rpmsg/Kconfig b/drivers/rpmsg/Kconfig index f6e0ea6ffda5..69a219387582 100644 --- a/drivers/rpmsg/Kconfig +++ b/drivers/rpmsg/Kconfig @@ -4,5 +4,6 @@ menu "Rpmsg drivers" config RPMSG tristate select VIRTIO + select VIRTUALIZATION endmenu diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 79fbe3832dfc..9e95473180e9 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -20,7 +20,6 @@ if RTC_CLASS config RTC_HCTOSYS bool "Set system time from RTC on startup and resume" default y - depends on !ALWAYS_USE_PERSISTENT_CLOCK help If you say yes here, the system time (wall clock) will be set using the value read from a specified RTC device. This is useful to avoid @@ -29,7 +28,6 @@ config RTC_HCTOSYS config RTC_SYSTOHC bool "Set the RTC time based on NTP synchronization" default y - depends on !ALWAYS_USE_PERSISTENT_CLOCK help If you say yes here, the system time (wall clock) will be stored in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11 diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index 434ebc3a99dc..eebd8ac78e46 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -297,7 +297,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev) "at91_rtc", pdev); if (ret) { dev_err(&pdev->dev, "IRQ %d already in use.\n", irq); - return ret; + goto err_unmap; } /* cpu init code should really have flagged this device as @@ -309,13 +309,20 @@ static int __init at91_rtc_probe(struct platform_device *pdev) rtc = rtc_device_register(pdev->name, &pdev->dev, &at91_rtc_ops, THIS_MODULE); if (IS_ERR(rtc)) { - free_irq(irq, pdev); - return PTR_ERR(rtc); + ret = PTR_ERR(rtc); + goto err_free_irq; } platform_set_drvdata(pdev, rtc); dev_info(&pdev->dev, "AT91 Real Time Clock driver.\n"); return 0; + +err_free_irq: + free_irq(irq, pdev); +err_unmap: + iounmap(at91_rtc_regs); + + return ret; } /* @@ -332,6 +339,7 @@ static int __exit at91_rtc_remove(struct platform_device *pdev) free_irq(irq, pdev); rtc_device_unregister(rtc); + iounmap(at91_rtc_regs); platform_set_drvdata(pdev, NULL); return 0; diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index af97c94e8a3a..cc5bea9c4b1c 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -804,9 +804,8 @@ static int cmos_suspend(struct device *dev) mask = RTC_IRQMASK; tmp &= ~mask; CMOS_WRITE(tmp, RTC_CONTROL); + hpet_mask_rtc_irq_bit(mask); - /* shut down hpet emulation - we don't need it for alarm */ - hpet_mask_rtc_irq_bit(RTC_PIE|RTC_AIE|RTC_UIE); cmos_checkintr(cmos, tmp); } spin_unlock_irq(&rtc_lock); @@ -870,6 +869,7 @@ static int cmos_resume(struct device *dev) rtc_update_irq(cmos->rtc, 1, mask); tmp &= ~RTC_AIE; hpet_mask_rtc_irq_bit(RTC_AIE); + hpet_rtc_timer_init(); } while (mask & RTC_AIE); spin_unlock_irq(&rtc_lock); } diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c index 02b742afa761..6dd6b38b0b41 100644 --- a/drivers/rtc/rtc-pcf2123.c +++ b/drivers/rtc/rtc-pcf2123.c @@ -265,6 +265,7 @@ static int pcf2123_probe(struct spi_device *spi) if (!(rxbuf[0] & 0x20)) { dev_err(&spi->dev, "chip not found\n"); + ret = -ENODEV; goto kfree_exit; } diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index cd798386b622..178836ec252b 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -561,6 +561,8 @@ static void __init sclp_add_standby_memory(void) add_memory_merged(0); } +#define MEM_SCT_SIZE (1UL << SECTION_SIZE_BITS) + static void __init insert_increment(u16 rn, int standby, int assigned) { struct memory_increment *incr, *new_incr; @@ -573,7 +575,7 @@ static void __init insert_increment(u16 rn, int standby, int assigned) new_incr->rn = rn; new_incr->standby = standby; if (!standby) - new_incr->usecount = 1; + new_incr->usecount = rzm > MEM_SCT_SIZE ? rzm/MEM_SCT_SIZE : 1; last_rn = 0; prev = &sclp_mem_list; list_for_each_entry(incr, &sclp_mem_list, list) { diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 2197b57fb225..7e64546bd981 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -4777,7 +4777,7 @@ static int ipr_eh_host_reset(struct scsi_cmnd *cmd) ioa_cfg = (struct ipr_ioa_cfg *) cmd->device->host->hostdata; spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); - if (!ioa_cfg->in_reset_reload) { + if (!ioa_cfg->in_reset_reload && !ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); dev_err(&ioa_cfg->pdev->dev, "Adapter being reset as a result of error recovery.\n"); @@ -6739,6 +6739,7 @@ static int ipr_invalid_adapter(struct ipr_ioa_cfg *ioa_cfg) static int ipr_ioa_bringdown_done(struct ipr_cmnd *ipr_cmd) { struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + int i; ENTER; if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) { @@ -6750,6 +6751,13 @@ static int ipr_ioa_bringdown_done(struct ipr_cmnd *ipr_cmd) ioa_cfg->in_reset_reload = 0; ioa_cfg->reset_retries = 0; + for (i = 0; i < ioa_cfg->hrrq_num; i++) { + spin_lock(&ioa_cfg->hrrq[i]._lock); + ioa_cfg->hrrq[i].ioa_is_dead = 1; + spin_unlock(&ioa_cfg->hrrq[i]._lock); + } + wmb(); + list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); wake_up_all(&ioa_cfg->reset_wait_q); LEAVE; @@ -8651,7 +8659,7 @@ static void ipr_pci_perm_failure(struct pci_dev *pdev) spin_lock_irqsave(ioa_cfg->host->host_lock, flags); if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) ioa_cfg->sdt_state = ABORT_DUMP; - ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES; + ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES - 1; ioa_cfg->in_ioa_bringdown = 1; for (i = 0; i < ioa_cfg->hrrq_num; i++) { spin_lock(&ioa_cfg->hrrq[i]._lock); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 7992635d405f..82910cc69ba3 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -142,6 +142,7 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr, char *buffer_data; struct scsi_mode_data data; struct scsi_sense_hdr sshdr; + const char *temp = "temporary "; int len; if (sdp->type != TYPE_DISK) @@ -150,6 +151,13 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr, * it's not worth the risk */ return -EINVAL; + if (strncmp(buf, temp, sizeof(temp) - 1) == 0) { + buf += sizeof(temp) - 1; + sdkp->cache_override = 1; + } else { + sdkp->cache_override = 0; + } + for (i = 0; i < ARRAY_SIZE(sd_cache_types); i++) { len = strlen(sd_cache_types[i]); if (strncmp(sd_cache_types[i], buf, len) == 0 && @@ -162,6 +170,13 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr, return -EINVAL; rcd = ct & 0x01 ? 1 : 0; wce = ct & 0x02 ? 1 : 0; + + if (sdkp->cache_override) { + sdkp->WCE = wce; + sdkp->RCD = rcd; + return count; + } + if (scsi_mode_sense(sdp, 0x08, 8, buffer, sizeof(buffer), SD_TIMEOUT, SD_MAX_RETRIES, &data, NULL)) return -EINVAL; @@ -2319,6 +2334,10 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer) int old_rcd = sdkp->RCD; int old_dpofua = sdkp->DPOFUA; + + if (sdkp->cache_override) + return; + first_len = 4; if (sdp->skip_ms_page_8) { if (sdp->type == TYPE_RBC) @@ -2812,6 +2831,7 @@ static void sd_probe_async(void *data, async_cookie_t cookie) sdkp->capacity = 0; sdkp->media_present = 1; sdkp->write_prot = 0; + sdkp->cache_override = 0; sdkp->WCE = 0; sdkp->RCD = 0; sdkp->ATO = 0; diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 74a1e4ca5401..2386aeb41fe8 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -73,6 +73,7 @@ struct scsi_disk { u8 protection_type;/* Data Integrity Field */ u8 provisioning_mode; unsigned ATO : 1; /* state of disk ATO bit */ + unsigned cache_override : 1; /* temp override of WCE,RCD */ unsigned WCE : 1; /* state of disk WCE bit */ unsigned RCD : 1; /* state of disk RCD bit, unused */ unsigned DPOFUA : 1; /* state of disk DPOFUA bit */ diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c index bc5e9da47586..a94e66f52b30 100644 --- a/drivers/staging/vt6656/hostap.c +++ b/drivers/staging/vt6656/hostap.c @@ -133,7 +133,7 @@ static int hostap_disable_hostapd(struct vnt_private *pDevice, int rtnl_locked) DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n", pDevice->dev->name, pDevice->apdev->name); } - kfree(pDevice->apdev); + free_netdev(pDevice->apdev); pDevice->apdev = NULL; pDevice->bEnable8021x = false; pDevice->bEnableHostWEP = false; diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c index 69971f35e490..60b50d007158 100644 --- a/drivers/staging/vt6656/iwctl.c +++ b/drivers/staging/vt6656/iwctl.c @@ -1348,9 +1348,12 @@ int iwctl_siwpower(struct net_device *dev, struct iw_request_info *info, return rc; } + spin_lock_irq(&pDevice->lock); + if (wrq->disabled) { pDevice->ePSMode = WMAC_POWER_CAM; PSvDisablePowerSaving(pDevice); + spin_unlock_irq(&pDevice->lock); return rc; } if ((wrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { @@ -1361,6 +1364,9 @@ int iwctl_siwpower(struct net_device *dev, struct iw_request_info *info, pDevice->ePSMode = WMAC_POWER_FAST; PSvEnablePowerSaving((void *)pDevice, pMgmt->wListenInterval); } + + spin_unlock_irq(&pDevice->lock); + switch (wrq->flags & IW_POWER_MODE) { case IW_POWER_UNICAST_R: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWPOWER: IW_POWER_UNICAST_R \n"); diff --git a/drivers/staging/zsmalloc/Kconfig b/drivers/staging/zsmalloc/Kconfig index 908456565796..7fab032298f3 100644 --- a/drivers/staging/zsmalloc/Kconfig +++ b/drivers/staging/zsmalloc/Kconfig @@ -1,5 +1,5 @@ config ZSMALLOC - tristate "Memory allocator for compressed pages" + bool "Memory allocator for compressed pages" default n help zsmalloc is a slab-based memory allocator designed to store diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c index e78d262c5249..324e123335d6 100644 --- a/drivers/staging/zsmalloc/zsmalloc-main.c +++ b/drivers/staging/zsmalloc/zsmalloc-main.c @@ -656,11 +656,8 @@ static inline void __zs_unmap_object(struct mapping_area *area, struct page *pages[2], int off, int size) { unsigned long addr = (unsigned long)area->vm_addr; - unsigned long end = addr + (PAGE_SIZE * 2); - flush_cache_vunmap(addr, end); - unmap_kernel_range_noflush(addr, PAGE_SIZE * 2); - flush_tlb_kernel_range(addr, end); + unmap_kernel_range(addr, PAGE_SIZE * 2); } #else /* USE_PGTABLE_MAPPING */ diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c index 0b52a2371305..805f3d26c4e6 100644 --- a/drivers/target/iscsi/iscsi_target_erl1.c +++ b/drivers/target/iscsi/iscsi_target_erl1.c @@ -819,7 +819,7 @@ static int iscsit_attach_ooo_cmdsn( /* * CmdSN is greater than the tail of the list. */ - if (ooo_tail->cmdsn < ooo_cmdsn->cmdsn) + if (iscsi_sna_lt(ooo_tail->cmdsn, ooo_cmdsn->cmdsn)) list_add_tail(&ooo_cmdsn->ooo_list, &sess->sess_ooo_cmdsn_list); else { @@ -829,11 +829,12 @@ static int iscsit_attach_ooo_cmdsn( */ list_for_each_entry(ooo_tmp, &sess->sess_ooo_cmdsn_list, ooo_list) { - if (ooo_tmp->cmdsn < ooo_cmdsn->cmdsn) + if (iscsi_sna_lt(ooo_tmp->cmdsn, ooo_cmdsn->cmdsn)) continue; + /* Insert before this entry */ list_add(&ooo_cmdsn->ooo_list, - &ooo_tmp->ooo_list); + ooo_tmp->ooo_list.prev); break; } } diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index ca2be406f141..93ae91035103 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -712,9 +712,9 @@ static int iscsi_add_notunderstood_response( } INIT_LIST_HEAD(&extra_response->er_list); - strncpy(extra_response->key, key, strlen(key) + 1); - strncpy(extra_response->value, NOTUNDERSTOOD, - strlen(NOTUNDERSTOOD) + 1); + strlcpy(extra_response->key, key, sizeof(extra_response->key)); + strlcpy(extra_response->value, NOTUNDERSTOOD, + sizeof(extra_response->value)); list_add_tail(&extra_response->er_list, ¶m_list->extra_response_list); @@ -1583,8 +1583,6 @@ int iscsi_decode_text_input( if (phase & PHASE_SECURITY) { if (iscsi_check_for_auth_key(key) > 0) { - char *tmpptr = key + strlen(key); - *tmpptr = '='; kfree(tmpbuf); return 1; } diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h index 1e1b7504a76b..2c536a0c29e8 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.h +++ b/drivers/target/iscsi/iscsi_target_parameters.h @@ -1,8 +1,10 @@ #ifndef ISCSI_PARAMETERS_H #define ISCSI_PARAMETERS_H +#include <scsi/iscsi_proto.h> + struct iscsi_extra_response { - char key[64]; + char key[KEY_MAXLEN]; char value[32]; struct list_head er_list; } ____cacheline_aligned; diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index 17a6acbc3ab0..12191d825d78 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -148,13 +148,9 @@ static int fd_configure_device(struct se_device *dev) */ inode = file->f_mapping->host; if (S_ISBLK(inode->i_mode)) { - struct request_queue *q = bdev_get_queue(inode->i_bdev); unsigned long long dev_size; - dev->dev_attrib.hw_block_size = - bdev_logical_block_size(inode->i_bdev); - dev->dev_attrib.hw_max_sectors = queue_max_hw_sectors(q); - + fd_dev->fd_block_size = bdev_logical_block_size(inode->i_bdev); /* * Determine the number of bytes from i_size_read() minus * one (1) logical sector from underlying struct block_device @@ -174,12 +170,11 @@ static int fd_configure_device(struct se_device *dev) goto fail; } - dev->dev_attrib.hw_block_size = FD_BLOCKSIZE; - dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS; + fd_dev->fd_block_size = FD_BLOCKSIZE; } - fd_dev->fd_block_size = dev->dev_attrib.hw_block_size; - + dev->dev_attrib.hw_block_size = fd_dev->fd_block_size; + dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS; dev->dev_attrib.hw_queue_depth = FD_MAX_DEVICE_QUEUE_DEPTH; if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) { @@ -589,11 +584,12 @@ static sector_t fd_get_blocks(struct se_device *dev) * to handle underlying block_device resize operations. */ if (S_ISBLK(i->i_mode)) - dev_size = (i_size_read(i) - fd_dev->fd_block_size); + dev_size = i_size_read(i); else dev_size = fd_dev->fd_dev_size; - return div_u64(dev_size, dev->dev_attrib.block_size); + return div_u64(dev_size - dev->dev_attrib.block_size, + dev->dev_attrib.block_size); } static struct sbc_ops fd_sbc_ops = { diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 8bcc514ec8b6..e1af9d541129 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -679,6 +679,8 @@ iblock_execute_rw(struct se_cmd *cmd) rw = WRITE_FUA; else if (!(q->flush_flags & REQ_FLUSH)) rw = WRITE_FUA; + else + rw = WRITE; } else { rw = WRITE; } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 3243ea790eab..fc9a5a07b69f 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -222,6 +222,7 @@ struct se_session *transport_init_session(void) INIT_LIST_HEAD(&se_sess->sess_list); INIT_LIST_HEAD(&se_sess->sess_acl_list); INIT_LIST_HEAD(&se_sess->sess_cmd_list); + INIT_LIST_HEAD(&se_sess->sess_wait_list); spin_lock_init(&se_sess->sess_cmd_lock); kref_init(&se_sess->sess_kref); @@ -2213,21 +2214,19 @@ static void target_release_cmd_kref(struct kref *kref) { struct se_cmd *se_cmd = container_of(kref, struct se_cmd, cmd_kref); struct se_session *se_sess = se_cmd->se_sess; - unsigned long flags; - spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); if (list_empty(&se_cmd->se_cmd_list)) { - spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + spin_unlock(&se_sess->sess_cmd_lock); se_cmd->se_tfo->release_cmd(se_cmd); return; } if (se_sess->sess_tearing_down && se_cmd->cmd_wait_set) { - spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + spin_unlock(&se_sess->sess_cmd_lock); complete(&se_cmd->cmd_wait_comp); return; } list_del(&se_cmd->se_cmd_list); - spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + spin_unlock(&se_sess->sess_cmd_lock); se_cmd->se_tfo->release_cmd(se_cmd); } @@ -2238,7 +2237,8 @@ static void target_release_cmd_kref(struct kref *kref) */ int target_put_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd) { - return kref_put(&se_cmd->cmd_kref, target_release_cmd_kref); + return kref_put_spinlock_irqsave(&se_cmd->cmd_kref, target_release_cmd_kref, + &se_sess->sess_cmd_lock); } EXPORT_SYMBOL(target_put_sess_cmd); @@ -2253,11 +2253,14 @@ void target_sess_cmd_list_set_waiting(struct se_session *se_sess) unsigned long flags; spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); - - WARN_ON(se_sess->sess_tearing_down); + if (se_sess->sess_tearing_down) { + spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + return; + } se_sess->sess_tearing_down = 1; + list_splice_init(&se_sess->sess_cmd_list, &se_sess->sess_wait_list); - list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list) + list_for_each_entry(se_cmd, &se_sess->sess_wait_list, se_cmd_list) se_cmd->cmd_wait_set = 1; spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); @@ -2274,9 +2277,10 @@ void target_wait_for_sess_cmds( { struct se_cmd *se_cmd, *tmp_cmd; bool rc = false; + unsigned long flags; list_for_each_entry_safe(se_cmd, tmp_cmd, - &se_sess->sess_cmd_list, se_cmd_list) { + &se_sess->sess_wait_list, se_cmd_list) { list_del(&se_cmd->se_cmd_list); pr_debug("Waiting for se_cmd: %p t_state: %d, fabric state:" @@ -2304,6 +2308,11 @@ void target_wait_for_sess_cmds( se_cmd->se_tfo->release_cmd(se_cmd); } + + spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); + WARN_ON(!list_empty(&se_sess->sess_cmd_list)); + spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + } EXPORT_SYMBOL(target_wait_for_sess_cmds); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 05e72bea9b07..1f8cba6dfa2f 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1588,6 +1588,14 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) ldata->real_raw = 0; } n_tty_set_room(tty); + /* + * Fix tty hang when I_IXON(tty) is cleared, but the tty + * been stopped by STOP_CHAR(tty) before it. + */ + if (!I_IXON(tty) && old && (old->c_iflag & IXON) && !tty->flow_stopped) { + start_tty(tty); + } + /* The termios change make the tty ready for I/O */ wake_up_interruptible(&tty->write_wait); wake_up_interruptible(&tty->read_wait); diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index c24b4db243b9..125e0fd06746 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -682,6 +682,9 @@ static int ptmx_open(struct inode *inode, struct file *filp) nonseekable_open(inode, filp); + /* We refuse fsnotify events on ptmx, since it's a shared resource */ + filp->f_mode |= FMODE_NONOTIFY; + retval = tty_alloc_file(filp); if (retval) return retval; diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index a400002dfa84..8fbb6d22cdc8 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1941,6 +1941,8 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) mutex_unlock(&port->mutex); return 0; } + put_device(tty_dev); + if (console_suspend_enabled || !uart_console(uport)) uport->suspended = 1; @@ -2006,9 +2008,11 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) disable_irq_wake(uport->irq); uport->irq_wake = 0; } + put_device(tty_dev); mutex_unlock(&port->mutex); return 0; } + put_device(tty_dev); uport->suspended = 0; /* diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index b0452688308c..a9cd0b9353d3 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -941,10 +941,10 @@ void start_tty(struct tty_struct *tty) EXPORT_SYMBOL(start_tty); +/* We limit tty time update visibility to every 8 seconds or so. */ static void tty_update_time(struct timespec *time) { - unsigned long sec = get_seconds(); - sec -= sec % 60; + unsigned long sec = get_seconds() & ~7; if ((long)(sec - time->tv_sec) > 0) time->tv_sec = sec; } diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index b7eb86ad6bf2..8a7eb77233b4 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -686,7 +686,8 @@ static int cxacru_cm_get_array(struct cxacru_data *instance, enum cxacru_cm_requ { int ret, len; __le32 *buf; - int offb, offd; + int offb; + unsigned int offd; const int stride = CMD_PACKET_SIZE / (4 * 2) - 1; int buflen = ((size - 1) / stride + 1 + size * 2) * 4; diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index 608a2aeb400c..b2df442eb3e5 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -20,7 +20,7 @@ config USB_CHIPIDEA_UDC config USB_CHIPIDEA_HOST bool "ChipIdea host controller" depends on USB=y || USB=USB_CHIPIDEA - depends on USB_EHCI_HCD + depends on USB_EHCI_HCD=y select USB_EHCI_ROOT_HUB_TT help Say Y here to enable host controller functionality of the diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index f64fbea1cf20..d86333b8c430 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -461,6 +461,8 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) mReq->ptr->page[i] = (mReq->req.dma + i * CI13XXX_PAGE_SIZE) & ~TD_RESERVED_MASK; + wmb(); + if (!list_empty(&mEp->qh.queue)) { struct ci13xxx_req *mReqPrev; int n = hw_ep_bit(mEp->num, mEp->dir); @@ -561,6 +563,12 @@ __acquires(mEp->lock) struct ci13xxx_req *mReq = \ list_entry(mEp->qh.queue.next, struct ci13xxx_req, queue); + + if (mReq->zptr) { + dma_pool_free(mEp->td_pool, mReq->zptr, mReq->zdma); + mReq->zptr = NULL; + } + list_del_init(&mReq->queue); mReq->req.status = -ESHUTDOWN; diff --git a/drivers/usb/chipidea/udc.h b/drivers/usb/chipidea/udc.h index 4ff2384d7ca8..d12e8b59b110 100644 --- a/drivers/usb/chipidea/udc.h +++ b/drivers/usb/chipidea/udc.h @@ -40,7 +40,7 @@ struct ci13xxx_td { #define TD_CURR_OFFSET (0x0FFFUL << 0) #define TD_FRAME_NUM (0x07FFUL << 0) #define TD_RESERVED_MASK (0x0FFFUL << 0) -} __attribute__ ((packed)); +} __attribute__ ((packed, aligned(4))); /* DMA layout of queue heads */ struct ci13xxx_qh { @@ -57,7 +57,7 @@ struct ci13xxx_qh { /* 9 */ u32 RESERVED; struct usb_ctrlrequest setup; -} __attribute__ ((packed)); +} __attribute__ ((packed, aligned(4))); /** * struct ci13xxx_req - usb request representation diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 8823e98989fe..caefc800f298 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -739,6 +739,8 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, index &= 0xff; switch (requesttype & USB_RECIP_MASK) { case USB_RECIP_ENDPOINT: + if ((index & ~USB_DIR_IN) == 0) + return 0; ret = findintfep(ps->dev, index); if (ret >= 0) ret = checkintf(ps, ret); diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 3113c1d71442..e14346a4e646 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -88,6 +88,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Edirol SD-20 */ { USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Alcor Micro Corp. Hub */ + { USB_DEVICE(0x058f, 0x9254), .driver_info = USB_QUIRK_RESET_RESUME }, + /* appletouch */ { USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 416a6dce5e11..83b5a1725924 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -670,9 +670,6 @@ int ehci_setup(struct usb_hcd *hcd) if (retval) return retval; - if (ehci_is_TDI(ehci)) - tdi_reset(ehci); - ehci_reset(ehci); return 0; diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 180a2b01db56..007137fe14d2 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -233,14 +233,14 @@ static int ohci_urb_enqueue ( urb->start_frame = frame; } } else if (ed->type == PIPE_ISOCHRONOUS) { - u16 next = ohci_frame_no(ohci) + 2; + u16 next = ohci_frame_no(ohci) + 1; u16 frame = ed->last_iso + ed->interval; /* Behind the scheduling threshold? */ if (unlikely(tick_before(frame, next))) { /* USB_ISO_ASAP: Round up to the first available slot */ - if (urb->transfer_flags & URB_ISO_ASAP) + if (urb->transfer_flags & URB_ISO_ASAP) { frame += (next - frame + ed->interval - 1) & -ed->interval; @@ -248,21 +248,25 @@ static int ohci_urb_enqueue ( * Not ASAP: Use the next slot in the stream. If * the entire URB falls before the threshold, fail. */ - else if (tick_before(frame + ed->interval * + } else { + if (tick_before(frame + ed->interval * (urb->number_of_packets - 1), next)) { - retval = -EXDEV; - usb_hcd_unlink_urb_from_ep(hcd, urb); - goto fail; - } + retval = -EXDEV; + usb_hcd_unlink_urb_from_ep(hcd, urb); + goto fail; + } - /* - * Some OHCI hardware doesn't handle late TDs - * correctly. After retiring them it proceeds to - * the next ED instead of the next TD. Therefore - * we have to omit the late TDs entirely. - */ - urb_priv->td_cnt = DIV_ROUND_UP(next - frame, - ed->interval); + /* + * Some OHCI hardware doesn't handle late TDs + * correctly. After retiring them it proceeds + * to the next ED instead of the next TD. + * Therefore we have to omit the late TDs + * entirely. + */ + urb_priv->td_cnt = DIV_ROUND_UP( + (u16) (next - frame), + ed->interval); + } } urb->start_frame = frame; } diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c index f87bee6d2789..9189bc984c98 100644 --- a/drivers/usb/host/uhci-hub.c +++ b/drivers/usb/host/uhci-hub.c @@ -225,7 +225,8 @@ static int uhci_hub_status_data(struct usb_hcd *hcd, char *buf) /* auto-stop if nothing connected for 1 second */ if (any_ports_active(uhci)) uhci->rh_state = UHCI_RH_RUNNING; - else if (time_after_eq(jiffies, uhci->auto_stop_time)) + else if (time_after_eq(jiffies, uhci->auto_stop_time) && + !uhci->wait_for_hp) suspend_rh(uhci, UHCI_RH_AUTO_STOPPED); break; diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index f0976d8190bc..041c6ddb695c 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -1287,7 +1287,7 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, return -EINVAL; /* Can't change the period */ } else { - next = uhci->frame_number + 2; + next = uhci->frame_number + 1; /* Find the next unused frame */ if (list_empty(&qh->queue)) { diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 6dc238c592bc..fd26470e4285 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1423,15 +1423,17 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, ep_ctx->ep_info2 |= cpu_to_le32(xhci_get_endpoint_type(udev, ep)); /* Set the max packet size and max burst */ + max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc)); + max_burst = 0; switch (udev->speed) { case USB_SPEED_SUPER: - max_packet = usb_endpoint_maxp(&ep->desc); - ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet)); /* dig out max burst from ep companion desc */ - max_packet = ep->ss_ep_comp.bMaxBurst; - ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_packet)); + max_burst = ep->ss_ep_comp.bMaxBurst; break; case USB_SPEED_HIGH: + /* Some devices get this wrong */ + if (usb_endpoint_xfer_bulk(&ep->desc)) + max_packet = 512; /* bits 11:12 specify the number of additional transaction * opportunities per microframe (USB 2.0, section 9.6.6) */ @@ -1439,17 +1441,16 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, usb_endpoint_xfer_int(&ep->desc)) { max_burst = (usb_endpoint_maxp(&ep->desc) & 0x1800) >> 11; - ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_burst)); } - /* Fall through */ + break; case USB_SPEED_FULL: case USB_SPEED_LOW: - max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc)); - ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet)); break; default: BUG(); } + ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet) | + MAX_BURST(max_burst)); max_esit_payload = xhci_get_max_esit_payload(xhci, udev, ep); ep_ctx->tx_info = cpu_to_le32(MAX_ESIT_PAYLOAD_FOR_EP(max_esit_payload)); diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 0fc6e5fc745f..ba6a5d6e618e 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -63,6 +63,7 @@ static const struct usb_device_id appledisplay_table[] = { { APPLEDISPLAY_DEVICE(0x9219) }, { APPLEDISPLAY_DEVICE(0x921c) }, { APPLEDISPLAY_DEVICE(0x921d) }, + { APPLEDISPLAY_DEVICE(0x9236) }, /* Terminating entry */ { } diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 9886180e45f1..266ece7b6702 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -189,7 +189,10 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) }, { USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) }, + { USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) }, + { USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) }, @@ -870,7 +873,9 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) }, { USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(ST_VID, ST_STMCLT1030_PID), + { USB_DEVICE(ST_VID, ST_STMCLT_2232_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(ST_VID, ST_STMCLT_4232_PID), .driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk }, { USB_DEVICE(FTDI_VID, FTDI_RF_R106) }, { USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID), @@ -1792,20 +1797,24 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial) } /* - * First and second port on STMCLiteadaptors is reserved for JTAG interface - * and the forth port for pio + * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's + * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and + * can be accessed from userspace. + * The next two ports are enabled as UARTs by default, where port 2 is + * a conventional RS-232 UART. */ static int ftdi_stmclite_probe(struct usb_serial *serial) { struct usb_device *udev = serial->dev; struct usb_interface *interface = serial->interface; - if (interface == udev->actconfig->interface[2]) - return 0; - - dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n"); + if (interface == udev->actconfig->interface[0] || + interface == udev->actconfig->interface[1]) { + dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n"); + return -ENODEV; + } - return -ENODEV; + return 0; } /* diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index e79861eeed4c..6dd79253205d 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -74,6 +74,7 @@ #define FTDI_OPENDCC_THROTTLE_PID 0xBFDA #define FTDI_OPENDCC_GATEWAY_PID 0xBFDB #define FTDI_OPENDCC_GBM_PID 0xBFDC +#define FTDI_OPENDCC_GBM_BOOST_PID 0xBFDD /* NZR SEM 16+ USB (http://www.nzr.de) */ #define FTDI_NZR_SEM_USB_PID 0xC1E0 /* NZR SEM-LOG16+ */ @@ -771,6 +772,8 @@ */ #define NEWPORT_VID 0x104D #define NEWPORT_AGILIS_PID 0x3000 +#define NEWPORT_CONEX_CC_PID 0x3002 +#define NEWPORT_CONEX_AGP_PID 0x3006 /* Interbiometrics USB I/O Board */ /* Developed for Interbiometrics by Rudolf Gugler */ @@ -1150,7 +1153,8 @@ * STMicroelectonics */ #define ST_VID 0x0483 -#define ST_STMCLT1030_PID 0x3747 /* ST Micro Connect Lite STMCLT1030 */ +#define ST_STMCLT_2232_PID 0x3746 +#define ST_STMCLT_4232_PID 0x3747 /* * Papouch products (http://www.papouch.com/) diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 7777172206de..38f2489b289d 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -2392,7 +2392,7 @@ static int get_serial_info(struct edgeport_port *edge_port, cwait = edge_port->port->port.closing_wait; if (cwait != ASYNC_CLOSING_WAIT_NONE) - cwait = jiffies_to_msecs(closing_wait) / 10; + cwait = jiffies_to_msecs(cwait) / 10; memset(&tmp, 0, sizeof(tmp)); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 558adfc05007..87181be6098e 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -196,6 +196,7 @@ static void option_instat_callback(struct urb *urb); #define DELL_PRODUCT_5800_MINICARD_VZW 0x8195 /* Novatel E362 */ #define DELL_PRODUCT_5800_V2_MINICARD_VZW 0x8196 /* Novatel E362 */ +#define DELL_PRODUCT_5804_MINICARD_ATT 0x819b /* Novatel E371 */ #define KYOCERA_VENDOR_ID 0x0c88 #define KYOCERA_PRODUCT_KPC650 0x17da @@ -341,12 +342,13 @@ static void option_instat_callback(struct urb *urb); #define CINTERION_PRODUCT_EU3_E 0x0051 #define CINTERION_PRODUCT_EU3_P 0x0052 #define CINTERION_PRODUCT_PH8 0x0053 -#define CINTERION_PRODUCT_AH6 0x0055 -#define CINTERION_PRODUCT_PLS8 0x0060 +#define CINTERION_PRODUCT_AHXX 0x0055 +#define CINTERION_PRODUCT_PLXX 0x0060 /* Olivetti products */ #define OLIVETTI_VENDOR_ID 0x0b3c #define OLIVETTI_PRODUCT_OLICARD100 0xc000 +#define OLIVETTI_PRODUCT_OLICARD145 0xc003 /* Celot products */ #define CELOT_VENDOR_ID 0x211f @@ -770,6 +772,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */ { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_MINICARD_VZW, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_V2_MINICARD_VZW, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5804_MINICARD_ATT, 0xff, 0xff, 0xff) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, /* ADU-E100, ADU-310 */ { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) }, @@ -965,6 +968,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0330, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0395, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0412, 0xff, 0xff, 0xff), /* Telewell TW-LTE 4G */ + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0414, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0417, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff), @@ -1263,8 +1268,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_E) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_P) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8) }, - { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AH6) }, - { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLS8) }, + { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX) }, + { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLXX), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) }, @@ -1273,6 +1279,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) }, { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */ { USB_DEVICE(ONDA_VENDOR_ID, ONDA_MT825UP) }, /* ONDA MT825UP modem */ { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/ @@ -1350,6 +1357,12 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(CHANGHONG_VENDOR_ID, CHANGHONG_PRODUCT_CH690) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d01, 0xff, 0x02, 0x01) }, /* D-Link DWM-156 (variant) */ + { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d01, 0xff, 0x00, 0x00) }, /* D-Link DWM-156 (variant) */ + { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x02, 0x01) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c index 070b5c0ebbf9..d9440882cdc9 100644 --- a/drivers/usb/storage/cypress_atacb.c +++ b/drivers/usb/storage/cypress_atacb.c @@ -248,14 +248,26 @@ static int cypress_probe(struct usb_interface *intf, { struct us_data *us; int result; + struct usb_device *device; result = usb_stor_probe1(&us, intf, id, (id - cypress_usb_ids) + cypress_unusual_dev_list); if (result) return result; - us->protocol_name = "Transparent SCSI with Cypress ATACB"; - us->proto_handler = cypress_atacb_passthrough; + /* Among CY7C68300 chips, the A revision does not support Cypress ATACB + * Filter out this revision from EEPROM default descriptor values + */ + device = interface_to_usbdev(intf); + if (device->descriptor.iManufacturer != 0x38 || + device->descriptor.iProduct != 0x4e || + device->descriptor.iSerialNumber != 0x64) { + us->protocol_name = "Transparent SCSI with Cypress ATACB"; + us->proto_handler = cypress_atacb_passthrough; + } else { + us->protocol_name = "Transparent SCSI"; + us->proto_handler = usb_stor_transparent_scsi_command; + } result = usb_stor_probe2(us); return result; diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 3cd675927826..a92783e480e6 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -1228,6 +1228,8 @@ static void fbcon_deinit(struct vc_data *vc) finished: fbcon_free_font(p, free_font); + if (free_font) + vc->vc_font.data = NULL; if (!con_is_bound(&fb_con)) fbcon_exit(); diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c index 08b48bbf9f4b..faf4e189fe42 100644 --- a/drivers/watchdog/watchdog_dev.c +++ b/drivers/watchdog/watchdog_dev.c @@ -523,6 +523,7 @@ int watchdog_dev_register(struct watchdog_device *watchdog) int err, devno; if (watchdog->id == 0) { + old_wdd = watchdog; watchdog_miscdev.parent = watchdog->parent; err = misc_register(&watchdog_miscdev); if (err != 0) { @@ -531,9 +532,9 @@ int watchdog_dev_register(struct watchdog_device *watchdog) if (err == -EBUSY) pr_err("%s: a legacy watchdog module is probably present.\n", watchdog->info->identity); + old_wdd = NULL; return err; } - old_wdd = watchdog; } /* Fill in the data structures */ |