diff options
Diffstat (limited to 'drivers')
111 files changed, 988 insertions, 452 deletions
diff --git a/drivers/acpi/acpica/utxfinit.c b/drivers/acpi/acpica/utxfinit.c index 246ef68681f4..2c3c578faa0a 100644 --- a/drivers/acpi/acpica/utxfinit.c +++ b/drivers/acpi/acpica/utxfinit.c @@ -175,10 +175,12 @@ acpi_status __init acpi_enable_subsystem(u32 flags) * Obtain a permanent mapping for the FACS. This is required for the * Global Lock and the Firmware Waking Vector */ - status = acpi_tb_initialize_facs(); - if (ACPI_FAILURE(status)) { - ACPI_WARNING((AE_INFO, "Could not map the FACS table")); - return_ACPI_STATUS(status); + if (!(flags & ACPI_NO_FACS_INIT)) { + status = acpi_tb_initialize_facs(); + if (ACPI_FAILURE(status)) { + ACPI_WARNING((AE_INFO, "Could not map the FACS table")); + return_ACPI_STATUS(status); + } } #endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index b48aefab57e8..60be8d0ef100 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -450,6 +450,16 @@ static int __init acpi_bus_init_irq(void) u8 acpi_gbl_permanent_mmap; +/** + * acpi_early_init - Initialize ACPICA and populate the ACPI namespace. + * + * The ACPI tables are accessible after this, but the handling of events has not + * been initialized and the global lock is not available yet, so AML should not + * be executed at this point. + * + * Doing this before switching the EFI runtime services to virtual mode allows + * the EfiBootServices memory to be freed slightly earlier on boot. + */ void __init acpi_early_init(void) { acpi_status status; @@ -510,26 +520,42 @@ void __init acpi_early_init(void) acpi_gbl_FADT.sci_interrupt = acpi_sci_override_gsi; } #endif + return; + + error0: + disable_acpi(); +} + +/** + * acpi_subsystem_init - Finalize the early initialization of ACPI. + * + * Switch over the platform to the ACPI mode (if possible), initialize the + * handling of ACPI events, install the interrupt and global lock handlers. + * + * Doing this too early is generally unsafe, but at the same time it needs to be + * done before all things that really depend on ACPI. The right spot appears to + * be before finalizing the EFI initialization. + */ +void __init acpi_subsystem_init(void) +{ + acpi_status status; + + if (acpi_disabled) + return; status = acpi_enable_subsystem(~ACPI_NO_ACPI_ENABLE); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX "Unable to enable ACPI\n"); - goto error0; + disable_acpi(); + } else { + /* + * If the system is using ACPI then we can be reasonably + * confident that any regulators are managed by the firmware + * so tell the regulator core it has everything it needs to + * know. + */ + regulator_has_full_constraints(); } - - /* - * If the system is using ACPI then we can be reasonably - * confident that any regulators are managed by the firmware - * so tell the regulator core it has everything it needs to - * know. - */ - regulator_has_full_constraints(); - - return; - - error0: - disable_acpi(); - return; } static int __init acpi_bus_init(void) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index b1c0fcdf46fc..b0e6691faf18 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4173,9 +4173,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "ST3320[68]13AS", "SD1[5-9]", ATA_HORKAGE_NONCQ | ATA_HORKAGE_FIRMWARE_WARN }, - /* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */ + /* drives which fail FPDMA_AA activation (some may freeze afterwards) */ { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA }, { "ST1000LM024 HN-M101MBB", "2BA30001", ATA_HORKAGE_BROKEN_FPDMA_AA }, + { "VB0250EAVER", "HPG7", ATA_HORKAGE_BROKEN_FPDMA_AA }, /* Blacklist entries taken from Silicon Image 3124/3132 Windows driver .inf file - also several Linux problem reports */ @@ -4229,6 +4230,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "Micron_M550*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, { "Crucial_CT*M550SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, + /* devices that don't properly handle TRIM commands */ + { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, }, + /* * Some WD SATA-I drives spin up and down erratically when the link * is put into the slumber mode. We don't have full list of the @@ -4533,7 +4537,8 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev) else /* In the ancient relic department - skip all of this */ return 0; - err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); + /* On some disks, this command causes spin-up, so we need longer timeout */ + err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000); DPRINTK("EXIT, err_mask=%x\n", err_mask); return err_mask; diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 7ccc084bf1df..85aa76116a30 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -460,6 +460,13 @@ static void sata_pmp_quirks(struct ata_port *ap) ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA; } + } else if (vendor == 0x11ab && devid == 0x4140) { + /* Marvell 4140 quirks */ + ata_for_each_link(link, ap, EDGE) { + /* port 4 is for SEMB device and it doesn't like SRST */ + if (link->pmp == 4) + link->flags |= ATA_LFLAG_DISABLED; + } } } diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index ef8567de6a75..6fecf0bde105 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2510,7 +2510,8 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf) rbuf[14] = (lowest_aligned >> 8) & 0x3f; rbuf[15] = lowest_aligned; - if (ata_id_has_trim(args->id)) { + if (ata_id_has_trim(args->id) && + !(dev->horkage & ATA_HORKAGE_NOTRIM)) { rbuf[14] |= 0x80; /* TPE */ if (ata_id_has_zero_after_trim(args->id)) diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c index 83c4ddb1bc7f..08223cc980b0 100644 --- a/drivers/ata/pata_octeon_cf.c +++ b/drivers/ata/pata_octeon_cf.c @@ -1069,7 +1069,7 @@ static struct of_device_id octeon_cf_match[] = { }, {}, }; -MODULE_DEVICE_TABLE(of, octeon_i2c_match); +MODULE_DEVICE_TABLE(of, octeon_cf_match); static struct platform_driver octeon_cf_driver = { .probe = octeon_cf_probe, diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 2495ee577a64..f0c15f9c2b2f 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -544,10 +544,8 @@ static void fw_dev_release(struct device *dev) kfree(fw_priv); } -static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env) +static int do_firmware_uevent(struct firmware_priv *fw_priv, struct kobj_uevent_env *env) { - struct firmware_priv *fw_priv = to_firmware_priv(dev); - if (add_uevent_var(env, "FIRMWARE=%s", fw_priv->buf->fw_id)) return -ENOMEM; if (add_uevent_var(env, "TIMEOUT=%i", loading_timeout)) @@ -558,6 +556,18 @@ static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env) return 0; } +static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + struct firmware_priv *fw_priv = to_firmware_priv(dev); + int err = 0; + + mutex_lock(&fw_lock); + if (fw_priv->buf) + err = do_firmware_uevent(fw_priv, env); + mutex_unlock(&fw_lock); + return err; +} + static struct class firmware_class = { .name = "firmware", .class_attrs = firmware_class_attrs, diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 2f9a3d8ecbbf..58559d75d02c 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -808,11 +808,10 @@ EXPORT_SYMBOL_GPL(devm_regmap_init); static void regmap_field_init(struct regmap_field *rm_field, struct regmap *regmap, struct reg_field reg_field) { - int field_bits = reg_field.msb - reg_field.lsb + 1; rm_field->regmap = regmap; rm_field->reg = reg_field.reg; rm_field->shift = reg_field.lsb; - rm_field->mask = ((BIT(field_bits) - 1) << reg_field.lsb); + rm_field->mask = GENMASK(reg_field.msb, reg_field.lsb); rm_field->id_size = reg_field.id_size; rm_field->id_offset = reg_field.id_offset; } @@ -1947,7 +1946,7 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, &ival); if (ret != 0) return ret; - memcpy(val + (i * val_bytes), &ival, val_bytes); + map->format.format_val(val + (i * val_bytes), ival, 0); } } diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 63688d3a6ea0..12be7cbfba4f 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1826,11 +1826,11 @@ static struct rbd_obj_request *rbd_obj_request_create(const char *object_name, rbd_assert(obj_request_type_valid(type)); size = strlen(object_name) + 1; - name = kmalloc(size, GFP_KERNEL); + name = kmalloc(size, GFP_NOIO); if (!name) return NULL; - obj_request = kmem_cache_zalloc(rbd_obj_request_cache, GFP_KERNEL); + obj_request = kmem_cache_zalloc(rbd_obj_request_cache, GFP_NOIO); if (!obj_request) { kfree(name); return NULL; diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index 26b03e1254ef..8ff2b3ca7ee9 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -79,6 +79,7 @@ static const struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x0489, 0xe057) }, { USB_DEVICE(0x0489, 0xe056) }, { USB_DEVICE(0x0489, 0xe05f) }, + { USB_DEVICE(0x0489, 0xe076) }, { USB_DEVICE(0x0489, 0xe078) }, { USB_DEVICE(0x04c5, 0x1330) }, { USB_DEVICE(0x04CA, 0x3004) }, @@ -109,6 +110,7 @@ static const struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x13d3, 0x3402) }, { USB_DEVICE(0x13d3, 0x3408) }, { USB_DEVICE(0x13d3, 0x3432) }, + { USB_DEVICE(0x13d3, 0x3474) }, /* Atheros AR5BBU12 with sflash firmware */ { USB_DEVICE(0x0489, 0xE02C) }, @@ -133,6 +135,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, @@ -163,6 +166,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, /* Atheros AR5BBU22 with sflash firmware */ { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 9eb1669962ef..c23658e42fc3 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -157,6 +157,7 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, @@ -187,6 +188,7 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, /* Atheros AR5BBU12 with sflash firmware */ { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, @@ -1291,6 +1293,8 @@ static int btusb_setup_intel(struct hci_dev *hdev) } fw_ptr = fw->data; + kfree_skb(skb); + /* This Intel specific command enables the manufacturer mode of the * controller. * diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c index e990deed2d33..1aa0130a63d5 100644 --- a/drivers/bus/mvebu-mbus.c +++ b/drivers/bus/mvebu-mbus.c @@ -701,7 +701,6 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus, phys_addr_t sdramwins_phys_base, size_t sdramwins_size) { - struct device_node *np; int win; mbus->mbuswins_base = ioremap(mbuswins_phys_base, mbuswins_size); @@ -714,12 +713,6 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus, return -ENOMEM; } - np = of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric"); - if (np) { - mbus->hw_io_coherency = 1; - of_node_put(np); - } - for (win = 0; win < mbus->soc->num_wins; win++) mvebu_mbus_disable_window(mbus, win); @@ -889,7 +882,7 @@ static void __init mvebu_mbus_get_pcie_resources(struct device_node *np, } } -int __init mvebu_mbus_dt_init(void) +int __init mvebu_mbus_dt_init(bool is_coherent) { struct resource mbuswins_res, sdramwins_res; struct device_node *np, *controller; @@ -928,6 +921,8 @@ int __init mvebu_mbus_dt_init(void) return -EINVAL; } + mbus_state.hw_io_coherency = is_coherent; + /* Get optional pcie-{mem,io}-aperture properties */ mvebu_mbus_get_pcie_resources(np, &mbus_state.pcie_mem_aperture, &mbus_state.pcie_io_aperture); diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 5c85350f4c3d..19e301f9d549 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -586,7 +586,7 @@ static inline int needs_ilk_vtd_wa(void) /* Query intel_iommu to see if we need the workaround. Presumably that * was loaded first. */ - if ((gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || + if ((gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG || gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG) && intel_iommu_gfx_mapped) return 1; diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c index 102463ba745d..643bba7d6f81 100644 --- a/drivers/char/tpm/tpm_ibmvtpm.c +++ b/drivers/char/tpm/tpm_ibmvtpm.c @@ -579,6 +579,9 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev, goto cleanup; } + ibmvtpm->dev = dev; + ibmvtpm->vdev = vio_dev; + crq_q = &ibmvtpm->crq_queue; crq_q->crq_addr = (struct ibmvtpm_crq *)get_zeroed_page(GFP_KERNEL); if (!crq_q->crq_addr) { @@ -623,8 +626,6 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev, crq_q->index = 0; - ibmvtpm->dev = dev; - ibmvtpm->vdev = vio_dev; TPM_VPRIV(chip) = (void *)ibmvtpm; spin_lock_init(&ibmvtpm->rtce_lock); diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index 831b48287a22..ddd03f8037a7 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -422,15 +422,12 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt) exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET); if (mct_int_type == MCT_INT_SPI) { - evt->irq = mct_irqs[MCT_L0_IRQ + cpu]; - if (request_irq(evt->irq, exynos4_mct_tick_isr, - IRQF_TIMER | IRQF_NOBALANCING, - evt->name, mevt)) { - pr_err("exynos-mct: cannot register IRQ %d\n", - evt->irq); + + if (evt->irq == -1) return -EIO; - } - irq_force_affinity(mct_irqs[MCT_L0_IRQ + cpu], cpumask_of(cpu)); + + irq_force_affinity(evt->irq, cpumask_of(cpu)); + enable_irq(evt->irq); } else { enable_percpu_irq(mct_irqs[MCT_L0_IRQ], 0); } @@ -443,10 +440,12 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt) static void exynos4_local_timer_stop(struct clock_event_device *evt) { evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt); - if (mct_int_type == MCT_INT_SPI) - free_irq(evt->irq, this_cpu_ptr(&percpu_mct_tick)); - else + if (mct_int_type == MCT_INT_SPI) { + if (evt->irq != -1) + disable_irq_nosync(evt->irq); + } else { disable_percpu_irq(mct_irqs[MCT_L0_IRQ]); + } } static int exynos4_mct_cpu_notify(struct notifier_block *self, @@ -478,7 +477,7 @@ static struct notifier_block exynos4_mct_cpu_nb = { static void __init exynos4_timer_resources(struct device_node *np, void __iomem *base) { - int err; + int err, cpu; struct mct_clock_event_device *mevt = this_cpu_ptr(&percpu_mct_tick); struct clk *mct_clk, *tick_clk; @@ -505,7 +504,25 @@ static void __init exynos4_timer_resources(struct device_node *np, void __iomem WARN(err, "MCT: can't request IRQ %d (%d)\n", mct_irqs[MCT_L0_IRQ], err); } else { - irq_set_affinity(mct_irqs[MCT_L0_IRQ], cpumask_of(0)); + for_each_possible_cpu(cpu) { + int mct_irq = mct_irqs[MCT_L0_IRQ + cpu]; + struct mct_clock_event_device *pcpu_mevt = + per_cpu_ptr(&percpu_mct_tick, cpu); + + pcpu_mevt->evt.irq = -1; + + irq_set_status_flags(mct_irq, IRQ_NOAUTOEN); + if (request_irq(mct_irq, + exynos4_mct_tick_isr, + IRQF_TIMER | IRQF_NOBALANCING, + pcpu_mevt->name, pcpu_mevt)) { + pr_err("exynos-mct: cannot register IRQ (cpu%d)\n", + cpu); + + continue; + } + pcpu_mevt->evt.irq = mct_irq; + } } err = register_cpu_notifier(&exynos4_mct_cpu_nb); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 533a509439ca..fbc693b7d24f 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -417,7 +417,7 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate) val |= vid; - wrmsrl(MSR_IA32_PERF_CTL, val); + wrmsrl_on_cpu(cpudata->cpu, MSR_IA32_PERF_CTL, val); } #define BYT_BCLK_FREQS 5 diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index e3d2052e7552..1adc039fe74d 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -131,6 +131,9 @@ int cpuidle_idle_call(void) /* ask the governor for the next state */ next_state = cpuidle_curr_governor->select(drv, dev); + if (next_state < 0) + return -EBUSY; + if (need_resched()) { dev->last_residency = 0; /* give the governor an opportunity to reflect on the outcome */ diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index cf7f2f0e4ef5..027c484e1ec9 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -297,7 +297,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) data->needs_update = 0; } - data->last_state_idx = 0; + data->last_state_idx = CPUIDLE_DRIVER_STATE_START - 1; data->exit_us = 0; /* Special case when user has set very strict latency requirement */ diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c index 28486b19fc36..ae6dae8ef7ab 100644 --- a/drivers/crypto/caam/caamrng.c +++ b/drivers/crypto/caam/caamrng.c @@ -56,7 +56,7 @@ /* Buffer, its dma address and lock */ struct buf_data { - u8 buf[RN_BUF_SIZE]; + u8 buf[RN_BUF_SIZE] ____cacheline_aligned; dma_addr_t addr; struct completion filled; u32 hw_desc[DESC_JOB_O_LEN]; diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index 5967667e1a8f..1f354879bd06 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -927,7 +927,8 @@ static int sg_to_link_tbl(struct scatterlist *sg, int sg_count, sg_count--; link_tbl_ptr--; } - be16_add_cpu(&link_tbl_ptr->len, cryptlen); + link_tbl_ptr->len = cpu_to_be16(be16_to_cpu(link_tbl_ptr->len) + + cryptlen); /* tag end of link table */ link_tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN; @@ -2563,6 +2564,7 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev, break; default: dev_err(dev, "unknown algorithm type %d\n", t_alg->algt.type); + kfree(t_alg); return ERR_PTR(-EINVAL); } diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index 394cbc5c93e3..6b2f01d60527 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -316,7 +316,8 @@ static void __mv_xor_slot_cleanup(struct mv_xor_chan *mv_chan) dma_cookie_t cookie = 0; int busy = mv_chan_is_busy(mv_chan); u32 current_desc = mv_chan_get_current_desc(mv_chan); - int seen_current = 0; + int current_cleaned = 0; + struct mv_xor_desc *hw_desc; dev_dbg(mv_chan_to_devp(mv_chan), "%s %d\n", __func__, __LINE__); dev_dbg(mv_chan_to_devp(mv_chan), "current_desc %x\n", current_desc); @@ -328,38 +329,57 @@ static void __mv_xor_slot_cleanup(struct mv_xor_chan *mv_chan) list_for_each_entry_safe(iter, _iter, &mv_chan->chain, chain_node) { - prefetch(_iter); - prefetch(&_iter->async_tx); - /* do not advance past the current descriptor loaded into the - * hardware channel, subsequent descriptors are either in - * process or have not been submitted - */ - if (seen_current) - break; + /* clean finished descriptors */ + hw_desc = iter->hw_desc; + if (hw_desc->status & XOR_DESC_SUCCESS) { + cookie = mv_xor_run_tx_complete_actions(iter, mv_chan, + cookie); - /* stop the search if we reach the current descriptor and the - * channel is busy - */ - if (iter->async_tx.phys == current_desc) { - seen_current = 1; - if (busy) + /* done processing desc, clean slot */ + mv_xor_clean_slot(iter, mv_chan); + + /* break if we did cleaned the current */ + if (iter->async_tx.phys == current_desc) { + current_cleaned = 1; + break; + } + } else { + if (iter->async_tx.phys == current_desc) { + current_cleaned = 0; break; + } } - - cookie = mv_xor_run_tx_complete_actions(iter, mv_chan, cookie); - - if (mv_xor_clean_slot(iter, mv_chan)) - break; } if ((busy == 0) && !list_empty(&mv_chan->chain)) { - struct mv_xor_desc_slot *chain_head; - chain_head = list_entry(mv_chan->chain.next, - struct mv_xor_desc_slot, - chain_node); - - mv_xor_start_new_chain(mv_chan, chain_head); + if (current_cleaned) { + /* + * current descriptor cleaned and removed, run + * from list head + */ + iter = list_entry(mv_chan->chain.next, + struct mv_xor_desc_slot, + chain_node); + mv_xor_start_new_chain(mv_chan, iter); + } else { + if (!list_is_last(&iter->chain_node, &mv_chan->chain)) { + /* + * descriptors are still waiting after + * current, trigger them + */ + iter = list_entry(iter->chain_node.next, + struct mv_xor_desc_slot, + chain_node); + mv_xor_start_new_chain(mv_chan, iter); + } else { + /* + * some descriptors are still waiting + * to be cleaned + */ + tasklet_schedule(&mv_chan->irq_tasklet); + } + } } if (cookie > 0) diff --git a/drivers/dma/mv_xor.h b/drivers/dma/mv_xor.h index d0749229c875..5d14e4b21692 100644 --- a/drivers/dma/mv_xor.h +++ b/drivers/dma/mv_xor.h @@ -33,6 +33,7 @@ #define XOR_OPERATION_MODE_XOR 0 #define XOR_OPERATION_MODE_MEMCPY 2 #define XOR_DESCRIPTOR_SWAP BIT(14) +#define XOR_DESC_SUCCESS 0x40000000 #define XOR_CURR_DESC(chan) (chan->mmr_high_base + 0x10 + (chan->idx * 4)) #define XOR_NEXT_DESC(chan) (chan->mmr_high_base + 0x00 + (chan->idx * 4)) diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index c611bcc01f7e..3e623ab5e315 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -765,7 +765,7 @@ static void get_memory_layout(const struct mem_ctl_info *mci) u32 reg; u64 limit, prv = 0; u64 tmp_mb; - u32 mb, kb; + u32 gb, mb; u32 rir_way; /* @@ -775,15 +775,17 @@ static void get_memory_layout(const struct mem_ctl_info *mci) pvt->tolm = pvt->info.get_tolm(pvt); tmp_mb = (1 + pvt->tolm) >> 20; - mb = div_u64_rem(tmp_mb, 1000, &kb); - edac_dbg(0, "TOLM: %u.%03u GB (0x%016Lx)\n", mb, kb, (u64)pvt->tolm); + gb = div_u64_rem(tmp_mb, 1024, &mb); + edac_dbg(0, "TOLM: %u.%03u GB (0x%016Lx)\n", + gb, (mb*1000)/1024, (u64)pvt->tolm); /* Address range is already 45:25 */ pvt->tohm = pvt->info.get_tohm(pvt); tmp_mb = (1 + pvt->tohm) >> 20; - mb = div_u64_rem(tmp_mb, 1000, &kb); - edac_dbg(0, "TOHM: %u.%03u GB (0x%016Lx)\n", mb, kb, (u64)pvt->tohm); + gb = div_u64_rem(tmp_mb, 1024, &mb); + edac_dbg(0, "TOHM: %u.%03u GB (0x%016Lx)\n", + gb, (mb*1000)/1024, (u64)pvt->tohm); /* * Step 2) Get SAD range and SAD Interleave list @@ -805,11 +807,11 @@ static void get_memory_layout(const struct mem_ctl_info *mci) break; tmp_mb = (limit + 1) >> 20; - mb = div_u64_rem(tmp_mb, 1000, &kb); + gb = div_u64_rem(tmp_mb, 1024, &mb); edac_dbg(0, "SAD#%d %s up to %u.%03u GB (0x%016Lx) Interleave: %s reg=0x%08x\n", n_sads, get_dram_attr(reg), - mb, kb, + gb, (mb*1000)/1024, ((u64)tmp_mb) << 20L, INTERLEAVE_MODE(reg) ? "8:6" : "[8:6]XOR[18:16]", reg); @@ -840,9 +842,9 @@ static void get_memory_layout(const struct mem_ctl_info *mci) break; tmp_mb = (limit + 1) >> 20; - mb = div_u64_rem(tmp_mb, 1000, &kb); + gb = div_u64_rem(tmp_mb, 1024, &mb); edac_dbg(0, "TAD#%d: up to %u.%03u GB (0x%016Lx), socket interleave %d, memory interleave %d, TGT: %d, %d, %d, %d, reg=0x%08x\n", - n_tads, mb, kb, + n_tads, gb, (mb*1000)/1024, ((u64)tmp_mb) << 20L, (u32)TAD_SOCK(reg), (u32)TAD_CH(reg), @@ -865,10 +867,10 @@ static void get_memory_layout(const struct mem_ctl_info *mci) tad_ch_nilv_offset[j], ®); tmp_mb = TAD_OFFSET(reg) >> 20; - mb = div_u64_rem(tmp_mb, 1000, &kb); + gb = div_u64_rem(tmp_mb, 1024, &mb); edac_dbg(0, "TAD CH#%d, offset #%d: %u.%03u GB (0x%016Lx), reg=0x%08x\n", i, j, - mb, kb, + gb, (mb*1000)/1024, ((u64)tmp_mb) << 20L, reg); } @@ -890,10 +892,10 @@ static void get_memory_layout(const struct mem_ctl_info *mci) tmp_mb = RIR_LIMIT(reg) >> 20; rir_way = 1 << RIR_WAY(reg); - mb = div_u64_rem(tmp_mb, 1000, &kb); + gb = div_u64_rem(tmp_mb, 1024, &mb); edac_dbg(0, "CH#%d RIR#%d, limit: %u.%03u GB (0x%016Lx), way: %d, reg=0x%08x\n", i, j, - mb, kb, + gb, (mb*1000)/1024, ((u64)tmp_mb) << 20L, rir_way, reg); @@ -904,10 +906,10 @@ static void get_memory_layout(const struct mem_ctl_info *mci) ®); tmp_mb = RIR_OFFSET(reg) << 6; - mb = div_u64_rem(tmp_mb, 1000, &kb); + gb = div_u64_rem(tmp_mb, 1024, &mb); edac_dbg(0, "CH#%d RIR#%d INTL#%d, offset %u.%03u GB (0x%016Lx), tgt: %d, reg=0x%08x\n", i, j, k, - mb, kb, + gb, (mb*1000)/1024, ((u64)tmp_mb) << 20L, (u32)RIR_RNK_TGT(reg), reg); @@ -945,7 +947,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci, u8 ch_way, sck_way, pkg, sad_ha = 0; u32 tad_offset; u32 rir_way; - u32 mb, kb; + u32 mb, gb; u64 ch_addr, offset, limit = 0, prv = 0; @@ -1183,10 +1185,10 @@ static int get_memory_error_data(struct mem_ctl_info *mci, continue; limit = RIR_LIMIT(reg); - mb = div_u64_rem(limit >> 20, 1000, &kb); + gb = div_u64_rem(limit >> 20, 1024, &mb); edac_dbg(0, "RIR#%d, limit: %u.%03u GB (0x%016Lx), way: %d\n", n_rir, - mb, kb, + gb, (mb*1000)/1024, limit, 1 << RIR_WAY(reg)); if (ch_addr <= limit) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 3b7d32da1604..903db3cf288a 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2155,8 +2155,11 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; - /* For some reason crtc x/y offsets are signed internally. */ - if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) + /* + * Universal plane src offsets are only 16.16, prevent havoc for + * drivers using universal plane code internally. + */ + if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) return -ERANGE; drm_modeset_lock_all(dev); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index b2d0887b3d12..462307c36d65 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -481,10 +481,8 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, DP_AUX_CH_CTL_RECEIVE_ERROR)) continue; if (status & DP_AUX_CH_CTL_DONE) - break; + goto done; } - if (status & DP_AUX_CH_CTL_DONE) - break; } if ((status & DP_AUX_CH_CTL_DONE) == 0) { @@ -493,6 +491,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, goto out; } +done: /* Check for timeout or receive error. * Timeouts occur when the sink is not connected */ diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 1d02970ed395..81f8ec85a48a 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -489,7 +489,7 @@ gmbus_xfer(struct i2c_adapter *adapter, struct intel_gmbus, adapter); struct drm_i915_private *dev_priv = bus->dev_priv; - int i, reg_offset; + int i = 0, inc, try = 0, reg_offset; int ret = 0; intel_aux_display_runtime_get(dev_priv); @@ -502,12 +502,14 @@ gmbus_xfer(struct i2c_adapter *adapter, reg_offset = dev_priv->gpio_mmio_base; +retry: I915_WRITE(GMBUS0 + reg_offset, bus->reg0); - for (i = 0; i < num; i++) { + for (; i < num; i += inc) { + inc = 1; if (gmbus_is_index_read(msgs, i, num)) { ret = gmbus_xfer_index_read(dev_priv, &msgs[i]); - i += 1; /* set i to the index of the read xfer */ + inc = 2; /* an index read is two msgs */ } else if (msgs[i].flags & I2C_M_RD) { ret = gmbus_xfer_read(dev_priv, &msgs[i], 0); } else { @@ -579,6 +581,18 @@ clear_err: adapter->name, msgs[i].addr, (msgs[i].flags & I2C_M_RD) ? 'r' : 'w', msgs[i].len); + /* + * Passive adapters sometimes NAK the first probe. Retry the first + * message once on -ENXIO for GMBUS transfers; the bit banging algorithm + * has retries internally. See also the retry loop in + * drm_do_probe_ddc_edid, which bails out on the first -ENXIO. + */ + if (ret == -ENXIO && i == 0 && try++ == 0) { + DRM_DEBUG_KMS("GMBUS [%s] NAK on first message, retry\n", + adapter->name); + goto retry; + } + goto out; timeout: diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 968374776db9..f2511a03e3e9 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1529,6 +1529,11 @@ static int mga_vga_mode_valid(struct drm_connector *connector, return MODE_BANDWIDTH; } + if ((mode->hdisplay % 8) != 0 || (mode->hsync_start % 8) != 0 || + (mode->hsync_end % 8) != 0 || (mode->htotal % 8) != 0) { + return MODE_H_ILLEGAL; + } + if (mode->crtc_hdisplay > 2048 || mode->crtc_hsync_start > 4096 || mode->crtc_hsync_end > 4096 || mode->crtc_htotal > 4096 || mode->crtc_vdisplay > 2048 || mode->crtc_vsync_start > 4096 || diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c index eb89653a7a17..c5e96a38f859 100644 --- a/drivers/gpu/drm/qxl/qxl_cmd.c +++ b/drivers/gpu/drm/qxl/qxl_cmd.c @@ -505,6 +505,7 @@ int qxl_hw_surface_alloc(struct qxl_device *qdev, cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release); cmd->type = QXL_SURFACE_CMD_CREATE; + cmd->flags = QXL_SURF_FLAG_KEEP_DATA; cmd->u.surface_create.format = surf->surf.format; cmd->u.surface_create.width = surf->surf.width; cmd->u.surface_create.height = surf->surf.height; diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c index 0bb86e6d41b4..56a13a915155 100644 --- a/drivers/gpu/drm/qxl/qxl_ioctl.c +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c @@ -122,8 +122,10 @@ static struct qxl_bo *qxlhw_handle_to_bo(struct qxl_device *qdev, qobj = gem_to_qxl_bo(gobj); ret = qxl_release_list_add(release, qobj); - if (ret) + if (ret) { + drm_gem_object_unreference_unlocked(gobj); return NULL; + } return qobj; } diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index c4558bdb0584..2fd2fb3f735f 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -4148,6 +4148,31 @@ void cik_compute_set_wptr(struct radeon_device *rdev, WDOORBELL32(ring->doorbell_index, ring->wptr); } +static void cik_compute_stop(struct radeon_device *rdev, + struct radeon_ring *ring) +{ + u32 j, tmp; + + cik_srbm_select(rdev, ring->me, ring->pipe, ring->queue, 0); + /* Disable wptr polling. */ + tmp = RREG32(CP_PQ_WPTR_POLL_CNTL); + tmp &= ~WPTR_POLL_EN; + WREG32(CP_PQ_WPTR_POLL_CNTL, tmp); + /* Disable HQD. */ + if (RREG32(CP_HQD_ACTIVE) & 1) { + WREG32(CP_HQD_DEQUEUE_REQUEST, 1); + for (j = 0; j < rdev->usec_timeout; j++) { + if (!(RREG32(CP_HQD_ACTIVE) & 1)) + break; + udelay(1); + } + WREG32(CP_HQD_DEQUEUE_REQUEST, 0); + WREG32(CP_HQD_PQ_RPTR, 0); + WREG32(CP_HQD_PQ_WPTR, 0); + } + cik_srbm_select(rdev, 0, 0, 0, 0); +} + /** * cik_cp_compute_enable - enable/disable the compute CP MEs * @@ -4161,6 +4186,15 @@ static void cik_cp_compute_enable(struct radeon_device *rdev, bool enable) if (enable) WREG32(CP_MEC_CNTL, 0); else { + /* + * To make hibernation reliable we need to clear compute ring + * configuration before halting the compute ring. + */ + mutex_lock(&rdev->srbm_mutex); + cik_compute_stop(rdev,&rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]); + cik_compute_stop(rdev,&rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]); + mutex_unlock(&rdev->srbm_mutex); + WREG32(CP_MEC_CNTL, (MEC_ME1_HALT | MEC_ME2_HALT)); rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c index 66ba713ba7d7..e590aec50c7d 100644 --- a/drivers/gpu/drm/radeon/cik_sdma.c +++ b/drivers/gpu/drm/radeon/cik_sdma.c @@ -266,6 +266,17 @@ static void cik_sdma_gfx_stop(struct radeon_device *rdev) } rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false; rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready = false; + + /* FIXME use something else than big hammer but after few days can not + * seem to find good combination so reset SDMA blocks as it seems we + * do not shut them down properly. This fix hibernation and does not + * affect suspend to ram. + */ + WREG32(SRBM_SOFT_RESET, SOFT_RESET_SDMA | SOFT_RESET_SDMA1); + (void)RREG32(SRBM_SOFT_RESET); + udelay(50); + WREG32(SRBM_SOFT_RESET, 0); + (void)RREG32(SRBM_SOFT_RESET); } /** diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index e39026cc7d07..129915eca07b 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1337,6 +1337,21 @@ int radeon_device_init(struct radeon_device *rdev, goto failed; } + /* + * Turks/Thames GPU will freeze whole laptop if DPM is not restarted + * after the CP ring have chew one packet at least. Hence here we stop + * and restart DPM after the radeon_ib_ring_tests(). + */ + if (rdev->pm.dpm_enabled && + (rdev->pm.pm_method == PM_METHOD_DPM) && + (rdev->family == CHIP_TURKS) && + (rdev->flags & RADEON_IS_MOBILITY)) { + mutex_lock(&rdev->pm.mutex); + radeon_dpm_disable(rdev); + radeon_dpm_enable(rdev); + mutex_unlock(&rdev->pm.mutex); + } + if ((radeon_testing & 1)) { if (rdev->accel_working) radeon_test_moves(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index a8f9b463bf2a..e60972290be6 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -251,8 +251,10 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset, } } } - mb(); - radeon_gart_tlb_flush(rdev); + if (rdev->gart.ptr) { + mb(); + radeon_gart_tlb_flush(rdev); + } } /** @@ -294,8 +296,10 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset, } } } - mb(); - radeon_gart_tlb_flush(rdev); + if (rdev->gart.ptr) { + mb(); + radeon_gart_tlb_flush(rdev); + } return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index b3f0293ba0d8..f8b20e1c0820 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -79,10 +79,12 @@ static void radeon_hotplug_work_func(struct work_struct *work) struct drm_mode_config *mode_config = &dev->mode_config; struct drm_connector *connector; + mutex_lock(&mode_config->mutex); if (mode_config->num_connector) { list_for_each_entry(connector, &mode_config->connector_list, head) radeon_connector_hotplug(connector); } + mutex_unlock(&mode_config->mutex); /* Just fire off a uevent and let userspace tell us what to do */ drm_helper_hpd_irq_event(dev); } diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 11804cc1e11f..c9053f799abe 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2914,6 +2914,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = { /* PITCAIRN - https://bugs.freedesktop.org/show_bug.cgi?id=76490 */ { PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 }, + { PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 }, { 0, 0, 0, 0 }, }; diff --git a/drivers/hwmon/mcp3021.c b/drivers/hwmon/mcp3021.c index d219c06a857b..972444a14cca 100644 --- a/drivers/hwmon/mcp3021.c +++ b/drivers/hwmon/mcp3021.c @@ -31,14 +31,11 @@ /* output format */ #define MCP3021_SAR_SHIFT 2 #define MCP3021_SAR_MASK 0x3ff - #define MCP3021_OUTPUT_RES 10 /* 10-bit resolution */ -#define MCP3021_OUTPUT_SCALE 4 #define MCP3221_SAR_SHIFT 0 #define MCP3221_SAR_MASK 0xfff #define MCP3221_OUTPUT_RES 12 /* 12-bit resolution */ -#define MCP3221_OUTPUT_SCALE 1 enum chips { mcp3021, @@ -54,7 +51,6 @@ struct mcp3021_data { u16 sar_shift; u16 sar_mask; u8 output_res; - u8 output_scale; }; static int mcp3021_read16(struct i2c_client *client) @@ -84,13 +80,7 @@ static int mcp3021_read16(struct i2c_client *client) static inline u16 volts_from_reg(struct mcp3021_data *data, u16 val) { - if (val == 0) - return 0; - - val = val * data->output_scale - data->output_scale / 2; - - return val * DIV_ROUND_CLOSEST(data->vdd, - (1 << data->output_res) * data->output_scale); + return DIV_ROUND_CLOSEST(data->vdd * val, 1 << data->output_res); } static ssize_t show_in_input(struct device *dev, struct device_attribute *attr, @@ -132,14 +122,12 @@ static int mcp3021_probe(struct i2c_client *client, data->sar_shift = MCP3021_SAR_SHIFT; data->sar_mask = MCP3021_SAR_MASK; data->output_res = MCP3021_OUTPUT_RES; - data->output_scale = MCP3021_OUTPUT_SCALE; break; case mcp3221: data->sar_shift = MCP3221_SAR_SHIFT; data->sar_mask = MCP3221_SAR_MASK; data->output_res = MCP3221_OUTPUT_RES; - data->output_scale = MCP3221_OUTPUT_SCALE; break; } diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index 8873d84e1d4f..50862c948217 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -62,6 +62,9 @@ #define AT91_TWI_UNRE 0x0080 /* Underrun Error */ #define AT91_TWI_NACK 0x0100 /* Not Acknowledged */ +#define AT91_TWI_INT_MASK \ + (AT91_TWI_TXCOMP | AT91_TWI_RXRDY | AT91_TWI_TXRDY | AT91_TWI_NACK) + #define AT91_TWI_IER 0x0024 /* Interrupt Enable Register */ #define AT91_TWI_IDR 0x0028 /* Interrupt Disable Register */ #define AT91_TWI_IMR 0x002c /* Interrupt Mask Register */ @@ -117,13 +120,12 @@ static void at91_twi_write(struct at91_twi_dev *dev, unsigned reg, unsigned val) static void at91_disable_twi_interrupts(struct at91_twi_dev *dev) { - at91_twi_write(dev, AT91_TWI_IDR, - AT91_TWI_TXCOMP | AT91_TWI_RXRDY | AT91_TWI_TXRDY); + at91_twi_write(dev, AT91_TWI_IDR, AT91_TWI_INT_MASK); } static void at91_twi_irq_save(struct at91_twi_dev *dev) { - dev->imr = at91_twi_read(dev, AT91_TWI_IMR) & 0x7; + dev->imr = at91_twi_read(dev, AT91_TWI_IMR) & AT91_TWI_INT_MASK; at91_disable_twi_interrupts(dev); } @@ -213,6 +215,14 @@ static void at91_twi_write_data_dma_callback(void *data) dma_unmap_single(dev->dev, sg_dma_address(&dev->dma.sg), dev->buf_len, DMA_TO_DEVICE); + /* + * When this callback is called, THR/TX FIFO is likely not to be empty + * yet. So we have to wait for TXCOMP or NACK bits to be set into the + * Status Register to be sure that the STOP bit has been sent and the + * transfer is completed. The NACK interrupt has already been enabled, + * we just have to enable TXCOMP one. + */ + at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_TXCOMP); at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP); } @@ -307,7 +317,7 @@ static void at91_twi_read_data_dma_callback(void *data) /* The last two bytes have to be read without using dma */ dev->buf += dev->buf_len - 2; dev->buf_len = 2; - at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_RXRDY); + at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_RXRDY | AT91_TWI_TXCOMP); } static void at91_twi_read_data_dma(struct at91_twi_dev *dev) @@ -368,7 +378,7 @@ static irqreturn_t atmel_twi_interrupt(int irq, void *dev_id) /* catch error flags */ dev->transfer_status |= status; - if (irqstatus & AT91_TWI_TXCOMP) { + if (irqstatus & (AT91_TWI_TXCOMP | AT91_TWI_NACK)) { at91_disable_twi_interrupts(dev); complete(&dev->cmd_complete); } @@ -381,6 +391,34 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) int ret; bool has_unre_flag = dev->pdata->has_unre_flag; + /* + * WARNING: the TXCOMP bit in the Status Register is NOT a clear on + * read flag but shows the state of the transmission at the time the + * Status Register is read. According to the programmer datasheet, + * TXCOMP is set when both holding register and internal shifter are + * empty and STOP condition has been sent. + * Consequently, we should enable NACK interrupt rather than TXCOMP to + * detect transmission failure. + * + * Besides, the TXCOMP bit is already set before the i2c transaction + * has been started. For read transactions, this bit is cleared when + * writing the START bit into the Control Register. So the + * corresponding interrupt can safely be enabled just after. + * However for write transactions managed by the CPU, we first write + * into THR, so TXCOMP is cleared. Then we can safely enable TXCOMP + * interrupt. If TXCOMP interrupt were enabled before writing into THR, + * the interrupt handler would be called immediately and the i2c command + * would be reported as completed. + * Also when a write transaction is managed by the DMA controller, + * enabling the TXCOMP interrupt in this function may lead to a race + * condition since we don't know whether the TXCOMP interrupt is enabled + * before or after the DMA has started to write into THR. So the TXCOMP + * interrupt is enabled later by at91_twi_write_data_dma_callback(). + * Immediately after in that DMA callback, we still need to send the + * STOP condition manually writing the corresponding bit into the + * Control Register. + */ + dev_dbg(dev->dev, "transfer: %s %d bytes.\n", (dev->msg->flags & I2C_M_RD) ? "read" : "write", dev->buf_len); @@ -411,26 +449,24 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) * seems to be the best solution. */ if (dev->use_dma && (dev->buf_len > AT91_I2C_DMA_THRESHOLD)) { + at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_NACK); at91_twi_read_data_dma(dev); - /* - * It is important to enable TXCOMP irq here because - * doing it only when transferring the last two bytes - * will mask NACK errors since TXCOMP is set when a - * NACK occurs. - */ - at91_twi_write(dev, AT91_TWI_IER, - AT91_TWI_TXCOMP); - } else + } else { at91_twi_write(dev, AT91_TWI_IER, - AT91_TWI_TXCOMP | AT91_TWI_RXRDY); + AT91_TWI_TXCOMP | + AT91_TWI_NACK | + AT91_TWI_RXRDY); + } } else { if (dev->use_dma && (dev->buf_len > AT91_I2C_DMA_THRESHOLD)) { + at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_NACK); at91_twi_write_data_dma(dev); - at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_TXCOMP); } else { at91_twi_write_next_byte(dev); at91_twi_write(dev, AT91_TWI_IER, - AT91_TWI_TXCOMP | AT91_TWI_TXRDY); + AT91_TWI_TXCOMP | + AT91_TWI_NACK | + AT91_TWI_TXRDY); } } diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index e6bf77d1ec08..ed4e45f53e20 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -58,7 +58,7 @@ struct at91_adc_caps { u8 ts_pen_detect_sensitivity; /* startup time calculate function */ - u32 (*calc_startup_ticks)(u8 startup_time, u32 adc_clk_khz); + u32 (*calc_startup_ticks)(u32 startup_time, u32 adc_clk_khz); u8 num_channels; struct at91_adc_reg_desc registers; @@ -82,7 +82,7 @@ struct at91_adc_state { u8 num_channels; void __iomem *reg_base; struct at91_adc_reg_desc *registers; - u8 startup_time; + u32 startup_time; u8 sample_hold_time; bool sleep_mode; struct iio_trigger **trig; @@ -590,7 +590,7 @@ ret: return ret; } -static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz) +static u32 calc_startup_ticks_9260(u32 startup_time, u32 adc_clk_khz) { /* * Number of ticks needed to cover the startup time of the ADC @@ -601,7 +601,7 @@ static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz) return round_up((startup_time * adc_clk_khz / 1000) - 1, 8) / 8; } -static u32 calc_startup_ticks_9x5(u8 startup_time, u32 adc_clk_khz) +static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz) { /* * For sama5d3x and at91sam9x5, the formula changes to: diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c index 53a24ebb92c3..779dac5676d9 100644 --- a/drivers/iio/adc/twl6030-gpadc.c +++ b/drivers/iio/adc/twl6030-gpadc.c @@ -1003,7 +1003,7 @@ static struct platform_driver twl6030_gpadc_driver = { module_platform_driver(twl6030_gpadc_driver); -MODULE_ALIAS("platform: " DRIVER_NAME); +MODULE_ALIAS("platform:" DRIVER_NAME); MODULE_AUTHOR("Balaji T K <balajitk@ti.com>"); MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>"); MODULE_AUTHOR("Oleksandr Kozaruk <oleksandr.kozaruk@ti.com"); diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c index e8199cce2aea..1e666510c672 100644 --- a/drivers/iio/dac/ad5624r_spi.c +++ b/drivers/iio/dac/ad5624r_spi.c @@ -22,7 +22,7 @@ #include "ad5624r.h" static int ad5624r_spi_write(struct spi_device *spi, - u8 cmd, u8 addr, u16 val, u8 len) + u8 cmd, u8 addr, u16 val, u8 shift) { u32 data; u8 msg[3]; @@ -35,7 +35,7 @@ static int ad5624r_spi_write(struct spi_device *spi, * 14-, 12-bit input code followed by 0, 2, or 4 don't care bits, * for the AD5664R, AD5644R, and AD5624R, respectively. */ - data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << (16 - len)); + data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << shift); msg[0] = data >> 16; msg[1] = data >> 8; msg[2] = data; diff --git a/drivers/iio/imu/adis16400.h b/drivers/iio/imu/adis16400.h index 0916bf6b6c31..1e8fd2e81d45 100644 --- a/drivers/iio/imu/adis16400.h +++ b/drivers/iio/imu/adis16400.h @@ -165,6 +165,7 @@ struct adis16400_state { int filt_int; struct adis adis; + unsigned long avail_scan_mask[2]; }; /* At the moment triggers are only used for ring buffer diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c index 70753bf23a86..ccfaf3af3974 100644 --- a/drivers/iio/imu/adis16400_core.c +++ b/drivers/iio/imu/adis16400_core.c @@ -438,6 +438,11 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, *val = st->variant->temp_scale_nano / 1000000; *val2 = (st->variant->temp_scale_nano % 1000000); return IIO_VAL_INT_PLUS_MICRO; + case IIO_PRESSURE: + /* 20 uBar = 0.002kPascal */ + *val = 0; + *val2 = 2000; + return IIO_VAL_INT_PLUS_MICRO; default: return -EINVAL; } @@ -480,10 +485,10 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, } } -#define ADIS16400_VOLTAGE_CHAN(addr, bits, name, si) { \ +#define ADIS16400_VOLTAGE_CHAN(addr, bits, name, si, chn) { \ .type = IIO_VOLTAGE, \ .indexed = 1, \ - .channel = 0, \ + .channel = chn, \ .extend_name = name, \ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ BIT(IIO_CHAN_INFO_SCALE), \ @@ -499,10 +504,10 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, } #define ADIS16400_SUPPLY_CHAN(addr, bits) \ - ADIS16400_VOLTAGE_CHAN(addr, bits, "supply", ADIS16400_SCAN_SUPPLY) + ADIS16400_VOLTAGE_CHAN(addr, bits, "supply", ADIS16400_SCAN_SUPPLY, 0) #define ADIS16400_AUX_ADC_CHAN(addr, bits) \ - ADIS16400_VOLTAGE_CHAN(addr, bits, NULL, ADIS16400_SCAN_ADC) + ADIS16400_VOLTAGE_CHAN(addr, bits, NULL, ADIS16400_SCAN_ADC, 1) #define ADIS16400_GYRO_CHAN(mod, addr, bits) { \ .type = IIO_ANGL_VEL, \ @@ -819,11 +824,6 @@ static const struct iio_info adis16400_info = { .debugfs_reg_access = adis_debugfs_reg_access, }; -static const unsigned long adis16400_burst_scan_mask[] = { - ~0UL, - 0, -}; - static const char * const adis16400_status_error_msgs[] = { [ADIS16400_DIAG_STAT_ZACCL_FAIL] = "Z-axis accelerometer self-test failure", [ADIS16400_DIAG_STAT_YACCL_FAIL] = "Y-axis accelerometer self-test failure", @@ -871,6 +871,20 @@ static const struct adis_data adis16400_data = { BIT(ADIS16400_DIAG_STAT_POWER_LOW), }; +static void adis16400_setup_chan_mask(struct adis16400_state *st) +{ + const struct adis16400_chip_info *chip_info = st->variant; + unsigned i; + + for (i = 0; i < chip_info->num_channels; i++) { + const struct iio_chan_spec *ch = &chip_info->channels[i]; + + if (ch->scan_index >= 0 && + ch->scan_index != ADIS16400_SCAN_TIMESTAMP) + st->avail_scan_mask[0] |= BIT(ch->scan_index); + } +} + static int adis16400_probe(struct spi_device *spi) { struct adis16400_state *st; @@ -894,8 +908,10 @@ static int adis16400_probe(struct spi_device *spi) indio_dev->info = &adis16400_info; indio_dev->modes = INDIO_DIRECT_MODE; - if (!(st->variant->flags & ADIS16400_NO_BURST)) - indio_dev->available_scan_masks = adis16400_burst_scan_mask; + if (!(st->variant->flags & ADIS16400_NO_BURST)) { + adis16400_setup_chan_mask(st); + indio_dev->available_scan_masks = st->avail_scan_mask; + } ret = adis_init(&st->adis, indio_dev, spi, &adis16400_data); if (ret) diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c index 84a0789c3d96..7a8050996b4e 100644 --- a/drivers/iio/temperature/tmp006.c +++ b/drivers/iio/temperature/tmp006.c @@ -132,6 +132,9 @@ static int tmp006_write_raw(struct iio_dev *indio_dev, struct tmp006_data *data = iio_priv(indio_dev); int i; + if (mask != IIO_CHAN_INFO_SAMP_FREQ) + return -EINVAL; + for (i = 0; i < ARRAY_SIZE(tmp006_freqs); i++) if ((val == tmp006_freqs[i][0]) && (val2 == tmp006_freqs[i][1])) { diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 60142274fe4b..dd2b610552d5 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -59,6 +59,8 @@ static int isert_rdma_accept(struct isert_conn *isert_conn); struct rdma_cm_id *isert_setup_id(struct isert_np *isert_np); +static void isert_release_work(struct work_struct *work); + static void isert_qp_event_callback(struct ib_event *e, void *context) { @@ -206,7 +208,7 @@ fail: static void isert_free_rx_descriptors(struct isert_conn *isert_conn) { - struct ib_device *ib_dev = isert_conn->conn_cm_id->device; + struct ib_device *ib_dev = isert_conn->conn_device->ib_device; struct iser_rx_desc *rx_desc; int i; @@ -534,6 +536,7 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) mutex_init(&isert_conn->conn_mutex); spin_lock_init(&isert_conn->conn_lock); INIT_LIST_HEAD(&isert_conn->conn_fr_pool); + INIT_WORK(&isert_conn->release_work, isert_release_work); isert_conn->conn_cm_id = cma_id; isert_conn->responder_resources = event->param.conn.responder_resources; @@ -647,9 +650,9 @@ out: static void isert_connect_release(struct isert_conn *isert_conn) { - struct ib_device *ib_dev = isert_conn->conn_cm_id->device; struct isert_device *device = isert_conn->conn_device; int cq_index; + struct ib_device *ib_dev = device->ib_device; pr_debug("Entering isert_connect_release(): >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n"); @@ -657,7 +660,8 @@ isert_connect_release(struct isert_conn *isert_conn) isert_conn_free_fastreg_pool(isert_conn); isert_free_rx_descriptors(isert_conn); - rdma_destroy_id(isert_conn->conn_cm_id); + if (isert_conn->conn_cm_id) + rdma_destroy_id(isert_conn->conn_cm_id); if (isert_conn->conn_qp) { cq_index = ((struct isert_cq_desc *) @@ -799,6 +803,7 @@ isert_disconnected_handler(struct rdma_cm_id *cma_id, { struct isert_np *isert_np = cma_id->context; struct isert_conn *isert_conn; + bool terminating = false; if (isert_np->np_cm_id == cma_id) return isert_np_cma_handler(cma_id->context, event); @@ -806,21 +811,37 @@ isert_disconnected_handler(struct rdma_cm_id *cma_id, isert_conn = cma_id->qp->qp_context; mutex_lock(&isert_conn->conn_mutex); + terminating = (isert_conn->state == ISER_CONN_TERMINATING); isert_conn_terminate(isert_conn); mutex_unlock(&isert_conn->conn_mutex); pr_info("conn %p completing conn_wait\n", isert_conn); complete(&isert_conn->conn_wait); + if (terminating) + goto out; + + mutex_lock(&isert_np->np_accept_mutex); + if (!list_empty(&isert_conn->conn_accept_node)) { + list_del_init(&isert_conn->conn_accept_node); + isert_put_conn(isert_conn); + queue_work(isert_release_wq, &isert_conn->release_work); + } + mutex_unlock(&isert_np->np_accept_mutex); + +out: return 0; } -static void +static int isert_connect_error(struct rdma_cm_id *cma_id) { struct isert_conn *isert_conn = cma_id->qp->qp_context; + isert_conn->conn_cm_id = NULL; isert_put_conn(isert_conn); + + return -1; } static int @@ -850,7 +871,7 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) case RDMA_CM_EVENT_REJECTED: /* FALLTHRU */ case RDMA_CM_EVENT_UNREACHABLE: /* FALLTHRU */ case RDMA_CM_EVENT_CONNECT_ERROR: - isert_connect_error(cma_id); + ret = isert_connect_error(cma_id); break; default: pr_err("Unhandled RDMA CMA event: %d\n", event->event); @@ -2944,7 +2965,6 @@ static void isert_wait_conn(struct iscsi_conn *conn) wait_for_completion(&isert_conn->conn_wait_comp_err); - INIT_WORK(&isert_conn->release_work, isert_release_work); queue_work(isert_release_wq, &isert_conn->release_work); } diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index e824651a5a11..94eaaf0c49b3 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1271,10 +1271,11 @@ static bool elantech_is_signature_valid(const unsigned char *param) return true; /* - * Some models have a revision higher then 20. Meaning param[2] may - * be 10 or 20, skip the rates check for these. + * Some hw_version >= 4 models have a revision higher then 20. Meaning + * that param[2] may be 10 or 20, skip the rates check for these. */ - if (param[0] == 0x46 && (param[1] & 0xef) == 0x0f && param[2] < 40) + if ((param[0] & 0x0f) >= 0x06 && (param[1] & 0xaf) == 0x0f && + param[2] < 40) return true; for (i = 0; i < ARRAY_SIZE(rates); i++) diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index b00e282ef166..53f09a8b0b72 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -138,6 +138,10 @@ static const struct min_max_quirk min_max_pnpid_table[] = { 1024, 5112, 2024, 4832 }, { + (const char * const []){"LEN2000", NULL}, + 1024, 5113, 2021, 4832 + }, + { (const char * const []){"LEN2001", NULL}, 1024, 5022, 2508, 4832 }, @@ -173,7 +177,7 @@ static const char * const topbuttonpad_pnp_ids[] = { "LEN0047", "LEN0048", "LEN0049", - "LEN2000", + "LEN2000", /* S540 */ "LEN2001", /* Edge E431 */ "LEN2002", /* Edge E531 */ "LEN2003", diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index a0966331a89b..c6f7e918b2b1 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -625,6 +625,9 @@ static int dmc_tsc10_init(struct usbtouch_usb *usbtouch) goto err_out; } + /* TSC-25 data sheet specifies a delay after the RESET command */ + msleep(150); + /* set coordinate output rate */ buf[0] = buf[1] = 0xFF; ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 9cbef59d404a..935974090aa0 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1922,9 +1922,15 @@ static void free_pt_##LVL (unsigned long __pt) \ pt = (u64 *)__pt; \ \ for (i = 0; i < 512; ++i) { \ + /* PTE present? */ \ if (!IOMMU_PTE_PRESENT(pt[i])) \ continue; \ \ + /* Large PTE? */ \ + if (PM_PTE_LEVEL(pt[i]) == 0 || \ + PM_PTE_LEVEL(pt[i]) == 7) \ + continue; \ + \ p = (unsigned long)IOMMU_PTE_PAGE(pt[i]); \ FN(p); \ } \ diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index f37d63cf726b..825545cdfb10 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -178,6 +178,7 @@ void led_classdev_resume(struct led_classdev *led_cdev) } EXPORT_SYMBOL_GPL(led_classdev_resume); +#ifdef CONFIG_PM_SLEEP static int led_suspend(struct device *dev) { struct led_classdev *led_cdev = dev_get_drvdata(dev); @@ -197,11 +198,9 @@ static int led_resume(struct device *dev) return 0; } +#endif -static const struct dev_pm_ops leds_class_dev_pm_ops = { - .suspend = led_suspend, - .resume = led_resume, -}; +static SIMPLE_DEV_PM_OPS(leds_class_dev_pm_ops, led_suspend, led_resume); /** * led_classdev_register - register a new object of led_classdev class. diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c index 28a90122a5a8..b3b0697a9fd7 100644 --- a/drivers/md/dm-stats.c +++ b/drivers/md/dm-stats.c @@ -795,6 +795,8 @@ static int message_stats_create(struct mapped_device *md, return -EINVAL; if (sscanf(argv[2], "/%u%c", &divisor, &dummy) == 1) { + if (!divisor) + return -EINVAL; step = end - start; if (do_div(step, divisor)) step++; diff --git a/drivers/md/md.c b/drivers/md/md.c index 40959ee73583..b4067b9afd38 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6232,7 +6232,7 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info) mddev->ctime != info->ctime || mddev->level != info->level || /* mddev->layout != info->layout || */ - !mddev->persistent != info->not_persistent|| + mddev->persistent != !info->not_persistent || mddev->chunk_sectors != info->chunk_size >> 9 || /* ignore bottom 8 bits of state, and allow SB_BITMAP_PRESENT to change */ ((state^info->state) & 0xfffffe00) diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c index b88757cd0d1d..a03178e91a79 100644 --- a/drivers/md/persistent-data/dm-btree-remove.c +++ b/drivers/md/persistent-data/dm-btree-remove.c @@ -309,8 +309,8 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, if (s < 0 && nr_center < -s) { /* not enough in central node */ - shift(left, center, nr_center); - s = nr_center - target; + shift(left, center, -nr_center); + s += nr_center; shift(left, right, s); nr_right += s; } else @@ -323,7 +323,7 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, if (s > 0 && nr_center < s) { /* not enough in central node */ shift(center, right, nr_center); - s = target - nr_center; + s -= nr_center; shift(left, right, s); nr_left -= s; } else diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 200ac12a1d40..fdd3793e22f9 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -255,7 +255,7 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root) int r; struct del_stack *s; - s = kmalloc(sizeof(*s), GFP_KERNEL); + s = kmalloc(sizeof(*s), GFP_NOIO); if (!s) return -ENOMEM; s->info = info; diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c index f4e22bcc7fb8..199c9ccd1f5d 100644 --- a/drivers/md/persistent-data/dm-space-map-metadata.c +++ b/drivers/md/persistent-data/dm-space-map-metadata.c @@ -204,6 +204,27 @@ static void in(struct sm_metadata *smm) smm->recursion_count++; } +static int apply_bops(struct sm_metadata *smm) +{ + int r = 0; + + while (!brb_empty(&smm->uncommitted)) { + struct block_op bop; + + r = brb_pop(&smm->uncommitted, &bop); + if (r) { + DMERR("bug in bop ring buffer"); + break; + } + + r = commit_bop(smm, &bop); + if (r) + break; + } + + return r; +} + static int out(struct sm_metadata *smm) { int r = 0; @@ -216,21 +237,8 @@ static int out(struct sm_metadata *smm) return -ENOMEM; } - if (smm->recursion_count == 1) { - while (!brb_empty(&smm->uncommitted)) { - struct block_op bop; - - r = brb_pop(&smm->uncommitted, &bop); - if (r) { - DMERR("bug in bop ring buffer"); - break; - } - - r = commit_bop(smm, &bop); - if (r) - break; - } - } + if (smm->recursion_count == 1) + apply_bops(smm); smm->recursion_count--; @@ -702,6 +710,12 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks) } old_len = smm->begin; + r = apply_bops(smm); + if (r) { + DMERR("%s: apply_bops failed", __func__); + goto out; + } + r = sm_ll_commit(&smm->ll); if (r) goto out; @@ -771,6 +785,12 @@ int dm_sm_metadata_create(struct dm_space_map *sm, if (r) return r; + r = apply_bops(smm); + if (r) { + DMERR("%s: apply_bops failed", __func__); + return r; + } + return sm_metadata_commit(sm); } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index b96ee9d78aa3..9be97e0bd149 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -336,7 +336,7 @@ static void raid1_end_read_request(struct bio *bio, int error) spin_lock_irqsave(&conf->device_lock, flags); if (r1_bio->mddev->degraded == conf->raid_disks || (r1_bio->mddev->degraded == conf->raid_disks-1 && - !test_bit(Faulty, &conf->mirrors[mirror].rdev->flags))) + test_bit(In_sync, &conf->mirrors[mirror].rdev->flags))) uptodate = 1; spin_unlock_irqrestore(&conf->device_lock, flags); } diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c index fb504f1e9125..5930aee6b5d0 100644 --- a/drivers/media/dvb-frontends/af9013.c +++ b/drivers/media/dvb-frontends/af9013.c @@ -606,6 +606,10 @@ static int af9013_set_frontend(struct dvb_frontend *fe) } } + /* Return an error if can't find bandwidth or the right clock */ + if (i == ARRAY_SIZE(coeff_lut)) + return -EINVAL; + ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val, sizeof(coeff_lut[i].val)); } diff --git a/drivers/media/dvb-frontends/cx24116.c b/drivers/media/dvb-frontends/cx24116.c index 2916d7c74a1d..7bc68b355c0b 100644 --- a/drivers/media/dvb-frontends/cx24116.c +++ b/drivers/media/dvb-frontends/cx24116.c @@ -963,6 +963,10 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend *fe, struct cx24116_state *state = fe->demodulator_priv; int i, ret; + /* Validate length */ + if (d->msg_len > sizeof(d->msg)) + return -EINVAL; + /* Dump DiSEqC message */ if (debug) { printk(KERN_INFO "cx24116: %s(", __func__); @@ -974,10 +978,6 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend *fe, printk(") toneburst=%d\n", toneburst); } - /* Validate length */ - if (d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS)) - return -EINVAL; - /* DiSEqC message */ for (i = 0; i < d->msg_len; i++) state->dsec_cmd.args[CX24116_DISEQC_MSGOFS + i] = d->msg[i]; diff --git a/drivers/media/dvb-frontends/cx24117.c b/drivers/media/dvb-frontends/cx24117.c index a6c3c9e2e897..d2eab0676d30 100644 --- a/drivers/media/dvb-frontends/cx24117.c +++ b/drivers/media/dvb-frontends/cx24117.c @@ -1043,7 +1043,7 @@ static int cx24117_send_diseqc_msg(struct dvb_frontend *fe, dev_dbg(&state->priv->i2c->dev, ")\n"); /* Validate length */ - if (d->msg_len > 15) + if (d->msg_len > sizeof(d->msg)) return -EINVAL; /* DiSEqC message */ diff --git a/drivers/media/dvb-frontends/s5h1420.c b/drivers/media/dvb-frontends/s5h1420.c index 93eeaf7118fd..0b4f8fe6bf99 100644 --- a/drivers/media/dvb-frontends/s5h1420.c +++ b/drivers/media/dvb-frontends/s5h1420.c @@ -180,7 +180,7 @@ static int s5h1420_send_master_cmd (struct dvb_frontend* fe, int result = 0; dprintk("enter %s\n", __func__); - if (cmd->msg_len > 8) + if (cmd->msg_len > sizeof(cmd->msg)) return -EINVAL; /* setup for DISEQC */ diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index b1e21fc869c3..d71f5ef036e0 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -205,6 +205,8 @@ static ssize_t power_ro_lock_show(struct device *dev, ret = snprintf(buf, PAGE_SIZE, "%d\n", locked); + mmc_blk_put(md); + return ret; } @@ -1861,9 +1863,11 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc) break; case MMC_BLK_CMD_ERR: ret = mmc_blk_cmd_err(md, card, brq, req, ret); - if (!mmc_blk_reset(md, card->host, type)) - break; - goto cmd_abort; + if (mmc_blk_reset(md, card->host, type)) + goto cmd_abort; + if (!ret) + goto start_new_req; + break; case MMC_BLK_RETRY: if (retry++ < 5) break; diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h index a7d9f95a7b03..7fd86becfd1a 100644 --- a/drivers/mmc/host/sdhci-esdhc.h +++ b/drivers/mmc/host/sdhci-esdhc.h @@ -47,6 +47,6 @@ #define ESDHC_DMA_SYSCTL 0x40c #define ESDHC_DMA_SNOOP 0x00000040 -#define ESDHC_HOST_CONTROL_RES 0x05 +#define ESDHC_HOST_CONTROL_RES 0x01 #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index 561c6b4907a1..b80766699249 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -257,6 +257,7 @@ static int sdhci_pxav3_probe(struct platform_device *pdev) goto err_of_parse; sdhci_get_of_property(pdev); pdata = pxav3_get_mmc_pdata(dev); + pdev->dev.platform_data = pdata; } else if (pdata) { /* on-chip device */ if (pdata->flags & PXA_FLAG_CARD_PERMANENT) diff --git a/drivers/mtd/maps/dc21285.c b/drivers/mtd/maps/dc21285.c index f8a7dd14cee0..70a3db3ab856 100644 --- a/drivers/mtd/maps/dc21285.c +++ b/drivers/mtd/maps/dc21285.c @@ -38,9 +38,9 @@ static void nw_en_write(void) * we want to write a bit pattern XXX1 to Xilinx to enable * the write gate, which will be open for about the next 2ms. */ - spin_lock_irqsave(&nw_gpio_lock, flags); + raw_spin_lock_irqsave(&nw_gpio_lock, flags); nw_cpld_modify(CPLD_FLASH_WR_ENABLE, CPLD_FLASH_WR_ENABLE); - spin_unlock_irqrestore(&nw_gpio_lock, flags); + raw_spin_unlock_irqrestore(&nw_gpio_lock, flags); /* * let the ISA bus to catch on... diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 5073cbc796d8..32d5e40c6863 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -199,6 +199,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode) return -ERESTARTSYS; /* FIXME: busy loop! -arnd*/ mutex_lock(&dev->lock); + mutex_lock(&mtd_table_mutex); if (dev->open) goto unlock; @@ -222,6 +223,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode) unlock: dev->open++; + mutex_unlock(&mtd_table_mutex); mutex_unlock(&dev->lock); blktrans_dev_put(dev); return ret; @@ -232,6 +234,7 @@ error_release: error_put: module_put(dev->tr->owner); kref_put(&dev->ref, blktrans_dev_release); + mutex_unlock(&mtd_table_mutex); mutex_unlock(&dev->lock); blktrans_dev_put(dev); return ret; @@ -245,6 +248,7 @@ static void blktrans_release(struct gendisk *disk, fmode_t mode) return; mutex_lock(&dev->lock); + mutex_lock(&mtd_table_mutex); if (--dev->open) goto unlock; @@ -258,6 +262,7 @@ static void blktrans_release(struct gendisk *disk, fmode_t mode) __put_mtd_device(dev->mtd); } unlock: + mutex_unlock(&mtd_table_mutex); mutex_unlock(&dev->lock); blktrans_dev_put(dev); } diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 9715a7ba164a..efc542d00c84 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2000,7 +2000,7 @@ static int nand_write_page_raw_syndrome(struct mtd_info *mtd, oob += chip->ecc.prepad; } - chip->read_buf(mtd, oob, eccbytes); + chip->write_buf(mtd, oob, eccbytes); oob += eccbytes; if (chip->ecc.postpad) { @@ -3063,7 +3063,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, int *busw) { struct nand_onfi_params *p = &chip->onfi_params; - int i; + int i, j; int val; /* Try ONFI for unknown chip or LP */ @@ -3072,18 +3072,10 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, chip->read_byte(mtd) != 'F' || chip->read_byte(mtd) != 'I') return 0; - /* - * ONFI must be probed in 8-bit mode or with NAND_BUSWIDTH_AUTO, not - * with NAND_BUSWIDTH_16 - */ - if (chip->options & NAND_BUSWIDTH_16) { - pr_err("ONFI cannot be probed in 16-bit mode; aborting\n"); - return 0; - } - chip->cmdfunc(mtd, NAND_CMD_PARAM, 0, -1); for (i = 0; i < 3; i++) { - chip->read_buf(mtd, (uint8_t *)p, sizeof(*p)); + for (j = 0; j < sizeof(*p); j++) + ((uint8_t *)p)[j] = chip->read_byte(mtd); if (onfi_crc16(ONFI_CRC_BASE, (uint8_t *)p, 254) == le16_to_cpu(p->crc)) { break; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 019a04a31384..a467261b10b9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -810,8 +810,11 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) tx_desc->ctrl.fence_size = (real_size / 16) & 0x3f; tx_desc->ctrl.srcrb_flags = priv->ctrl_flags; if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { - tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM | - MLX4_WQE_CTRL_TCP_UDP_CSUM); + if (!skb->encapsulation) + tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM | + MLX4_WQE_CTRL_TCP_UDP_CSUM); + else + tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM); ring->tx_csum++; } diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 98e7cbf720a5..0be3f9d94322 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -45,7 +45,7 @@ #define PSF_TX 0x1000 #define EXT_EVENT 1 #define CAL_EVENT 7 -#define CAL_TRIGGER 7 +#define CAL_TRIGGER 1 #define PER_TRIGGER 6 #define MII_DP83640_MICR 0x11 @@ -442,7 +442,9 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp, else evnt |= EVNT_RISE; } + mutex_lock(&clock->extreg_lock); ext_write(0, phydev, PAGE5, PTP_EVNT, evnt); + mutex_unlock(&clock->extreg_lock); return 0; case PTP_CLK_REQ_PEROUT: @@ -463,6 +465,8 @@ static u8 status_frame_src[6] = { 0x08, 0x00, 0x17, 0x0B, 0x6B, 0x0F }; static void enable_status_frames(struct phy_device *phydev, bool on) { + struct dp83640_private *dp83640 = phydev->priv; + struct dp83640_clock *clock = dp83640->clock; u16 cfg0 = 0, ver; if (on) @@ -470,9 +474,13 @@ static void enable_status_frames(struct phy_device *phydev, bool on) ver = (PSF_PTPVER & VERSIONPTP_MASK) << VERSIONPTP_SHIFT; + mutex_lock(&clock->extreg_lock); + ext_write(0, phydev, PAGE5, PSF_CFG0, cfg0); ext_write(0, phydev, PAGE6, PSF_CFG1, ver); + mutex_unlock(&clock->extreg_lock); + if (!phydev->attached_dev) { pr_warn("expected to find an attached netdevice\n"); return; @@ -1063,11 +1071,18 @@ static int dp83640_config_init(struct phy_device *phydev) if (clock->chosen && !list_empty(&clock->phylist)) recalibrate(clock); - else + else { + mutex_lock(&clock->extreg_lock); enable_broadcast(phydev, clock->page, 1); + mutex_unlock(&clock->extreg_lock); + } enable_status_frames(phydev, true); + + mutex_lock(&clock->extreg_lock); ext_write(0, phydev, PAGE4, PTP_CTL, PTP_ENABLE); + mutex_unlock(&clock->extreg_lock); + return 0; } diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 1d568788c3e3..65cfc5a436c7 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -965,12 +965,14 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable) { /* According to 802.3az,the EEE is supported only in full duplex-mode. * Also EEE feature is active when core is operating with MII, GMII - * or RGMII. + * or RGMII (all kinds). Internal PHYs are also allowed to proceed and + * should return an error if they do not support EEE. */ if ((phydev->duplex == DUPLEX_FULL) && ((phydev->interface == PHY_INTERFACE_MODE_MII) || (phydev->interface == PHY_INTERFACE_MODE_GMII) || - (phydev->interface == PHY_INTERFACE_MODE_RGMII))) { + (phydev->interface >= PHY_INTERFACE_MODE_RGMII && + phydev->interface <= PHY_INTERFACE_MODE_RGMII_TXID))) { int eee_lp, eee_cap, eee_adv; u32 lp, cap, adv; int status; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 25f74191a788..62c3fb91e76f 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -765,10 +765,11 @@ static int genphy_config_advert(struct phy_device *phydev) if (phydev->supported & (SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full)) { adv |= ethtool_adv_to_mii_ctrl1000_t(advertise); - if (adv != oldadv) - changed = 1; } + if (adv != oldadv) + changed = 1; + err = phy_write(phydev, MII_CTRL1000, adv); if (err < 0) return err; diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 5924f72dd493..f35ce8e50e65 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -205,11 +205,13 @@ static bool ath_prepare_reset(struct ath_softc *sc) ath_stop_ani(sc); ath9k_hw_disable_interrupts(ah); - if (!ath_drain_all_txq(sc)) - ret = false; - - if (!ath_stoprecv(sc)) - ret = false; + if (AR_SREV_9300_20_OR_LATER(ah)) { + ret &= ath_stoprecv(sc); + ret &= ath_drain_all_txq(sc); + } else { + ret &= ath_drain_all_txq(sc); + ret &= ath_stoprecv(sc); + } return ret; } diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 7a206cffb062..d18e65398edc 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -32,6 +32,8 @@ struct backend_info { enum xenbus_state frontend_state; struct xenbus_watch hotplug_status_watch; u8 have_hotplug_status_watch:1; + + const char *hotplug_script; }; static int connect_rings(struct backend_info *); @@ -54,6 +56,7 @@ static int netback_remove(struct xenbus_device *dev) xenvif_free(be->vif); be->vif = NULL; } + kfree(be->hotplug_script); kfree(be); dev_set_drvdata(&dev->dev, NULL); return 0; @@ -71,6 +74,7 @@ static int netback_probe(struct xenbus_device *dev, struct xenbus_transaction xbt; int err; int sg; + const char *script; struct backend_info *be = kzalloc(sizeof(struct backend_info), GFP_KERNEL); if (!be) { @@ -157,6 +161,15 @@ static int netback_probe(struct xenbus_device *dev, if (err) pr_debug("Error writing feature-split-event-channels\n"); + script = xenbus_read(XBT_NIL, dev->nodename, "script", NULL); + if (IS_ERR(script)) { + err = PTR_ERR(script); + xenbus_dev_fatal(dev, err, "reading script"); + goto fail; + } + + be->hotplug_script = script; + err = xenbus_switch_state(dev, XenbusStateInitWait); if (err) goto fail; @@ -187,22 +200,14 @@ static int netback_uevent(struct xenbus_device *xdev, struct kobj_uevent_env *env) { struct backend_info *be = dev_get_drvdata(&xdev->dev); - char *val; - val = xenbus_read(XBT_NIL, xdev->nodename, "script", NULL); - if (IS_ERR(val)) { - int err = PTR_ERR(val); - xenbus_dev_fatal(xdev, err, "reading script"); - return err; - } else { - if (add_uevent_var(env, "script=%s", val)) { - kfree(val); - return -ENOMEM; - } - kfree(val); - } + if (!be) + return 0; + + if (add_uevent_var(env, "script=%s", be->hotplug_script)) + return -ENOMEM; - if (!be || !be->vif) + if (!be->vif) return 0; return add_uevent_var(env, "vif=%s", be->vif->dev->name); diff --git a/drivers/of/base.c b/drivers/of/base.c index 87eaf8e75ebe..4723f89d59fb 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -87,7 +87,7 @@ EXPORT_SYMBOL(of_n_size_cells); #ifdef CONFIG_NUMA int __weak of_node_to_nid(struct device_node *np) { - return numa_node_id(); + return NUMA_NO_NODE; } #endif diff --git a/drivers/pcmcia/topic.h b/drivers/pcmcia/topic.h index 615a45a8fe86..582688fe7505 100644 --- a/drivers/pcmcia/topic.h +++ b/drivers/pcmcia/topic.h @@ -104,6 +104,9 @@ #define TOPIC_EXCA_IF_CONTROL 0x3e /* 8 bit */ #define TOPIC_EXCA_IFC_33V_ENA 0x01 +#define TOPIC_PCI_CFG_PPBCN 0x3e /* 16-bit */ +#define TOPIC_PCI_CFG_PPBCN_WBEN 0x0400 + static void topic97_zoom_video(struct pcmcia_socket *sock, int onoff) { struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); @@ -138,6 +141,7 @@ static int topic97_override(struct yenta_socket *socket) static int topic95_override(struct yenta_socket *socket) { u8 fctrl; + u16 ppbcn; /* enable 3.3V support for 16bit cards */ fctrl = exca_readb(socket, TOPIC_EXCA_IF_CONTROL); @@ -146,6 +150,18 @@ static int topic95_override(struct yenta_socket *socket) /* tell yenta to use exca registers to power 16bit cards */ socket->flags |= YENTA_16BIT_POWER_EXCA | YENTA_16BIT_POWER_DF; + /* Disable write buffers to prevent lockups under load with numerous + Cardbus cards, observed on Tecra 500CDT and reported elsewhere on the + net. This is not a power-on default according to the datasheet + but some BIOSes seem to set it. */ + if (pci_read_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, &ppbcn) == 0 + && socket->dev->revision <= 7 + && (ppbcn & TOPIC_PCI_CFG_PPBCN_WBEN)) { + ppbcn &= ~TOPIC_PCI_CFG_PPBCN_WBEN; + pci_write_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, ppbcn); + dev_info(&socket->dev->dev, "Disabled ToPIC95 Cardbus write buffers.\n"); + } + return 0; } diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-370.c b/drivers/pinctrl/mvebu/pinctrl-armada-370.c index ae1f760cbdd2..bb525b19be77 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-370.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-370.c @@ -358,11 +358,11 @@ static struct mvebu_mpp_mode mv88f6710_mpp_modes[] = { MPP_MODE(64, MPP_FUNCTION(0x0, "gpio", NULL), MPP_FUNCTION(0x1, "spi0", "miso"), - MPP_FUNCTION(0x2, "spi0-1", "cs1")), + MPP_FUNCTION(0x2, "spi0", "cs1")), MPP_MODE(65, MPP_FUNCTION(0x0, "gpio", NULL), MPP_FUNCTION(0x1, "spi0", "mosi"), - MPP_FUNCTION(0x2, "spi0-1", "cs2")), + MPP_FUNCTION(0x2, "spi0", "cs2")), }; static struct mvebu_pinctrl_soc_info armada_370_pinctrl_info; diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c index 843a51f9d129..d918c5186061 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c @@ -14,10 +14,7 @@ * available: mv78230, mv78260 and mv78460. From a pin muxing * perspective, the mv78230 has 49 MPP pins. The mv78260 and mv78460 * both have 67 MPP pins (more GPIOs and address lines for the memory - * bus mainly). The only difference between the mv78260 and the - * mv78460 in terms of pin muxing is the addition of two functions on - * pins 43 and 56 to access the VDD of the CPU2 and 3 (mv78260 has two - * cores, mv78460 has four cores). + * bus mainly). */ #include <linux/err.h> @@ -159,20 +156,17 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { MPP_MODE(24, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "sata1", "prsnt", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x2, "nf", "bootcs-re", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x3, "tdm", "rst", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x4, "lcd", "hsync", V_MV78230_PLUS)), MPP_MODE(25, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "sata0", "prsnt", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x2, "nf", "bootcs-we", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x3, "tdm", "pclk", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x4, "lcd", "vsync", V_MV78230_PLUS)), MPP_MODE(26, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x3, "tdm", "fsync", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x4, "lcd", "clk", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x5, "vdd", "cpu1-pd", V_MV78230_PLUS)), + MPP_VAR_FUNCTION(0x4, "lcd", "clk", V_MV78230_PLUS)), MPP_MODE(27, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "ptp", "trig", V_MV78230_PLUS), @@ -187,8 +181,7 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "ptp", "clk", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x3, "tdm", "int0", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x4, "lcd", "ref-clk", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x5, "vdd", "cpu0-pd", V_MV78230_PLUS)), + MPP_VAR_FUNCTION(0x4, "lcd", "ref-clk", V_MV78230_PLUS)), MPP_MODE(30, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "sd0", "clk", V_MV78230_PLUS), @@ -196,13 +189,11 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { MPP_MODE(31, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "sd0", "cmd", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x3, "tdm", "int2", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x5, "vdd", "cpu0-pd", V_MV78230_PLUS)), + MPP_VAR_FUNCTION(0x3, "tdm", "int2", V_MV78230_PLUS)), MPP_MODE(32, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "sd0", "d0", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x3, "tdm", "int3", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x5, "vdd", "cpu1-pd", V_MV78230_PLUS)), + MPP_VAR_FUNCTION(0x3, "tdm", "int3", V_MV78230_PLUS)), MPP_MODE(33, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "sd0", "d1", V_MV78230_PLUS), @@ -234,7 +225,6 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "spi", "cs1", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x2, "uart2", "cts", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x3, "vdd", "cpu1-pd", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x4, "lcd", "vga-hsync", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x5, "pcie", "clkreq0", V_MV78230_PLUS)), MPP_MODE(41, @@ -249,15 +239,13 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { MPP_VAR_FUNCTION(0x1, "uart2", "rxd", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x2, "uart0", "cts", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x3, "tdm", "int7", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x4, "tdm-1", "timer", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x5, "vdd", "cpu0-pd", V_MV78230_PLUS)), + MPP_VAR_FUNCTION(0x4, "tdm-1", "timer", V_MV78230_PLUS)), MPP_MODE(43, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "uart2", "txd", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x2, "uart0", "rts", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x3, "spi", "cs3", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x4, "pcie", "rstout", V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x5, "vdd", "cpu2-3-pd", V_MV78460)), + MPP_VAR_FUNCTION(0x4, "pcie", "rstout", V_MV78230_PLUS)), MPP_MODE(44, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), MPP_VAR_FUNCTION(0x1, "uart2", "cts", V_MV78230_PLUS), @@ -286,7 +274,7 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { MPP_VAR_FUNCTION(0x5, "pcie", "clkreq3", V_MV78230_PLUS)), MPP_MODE(48, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), - MPP_VAR_FUNCTION(0x1, "tclk", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "dev", "clkout", V_MV78230_PLUS), MPP_VAR_FUNCTION(0x2, "dev", "burst/last", V_MV78230_PLUS)), MPP_MODE(49, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS), @@ -308,16 +296,13 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { MPP_VAR_FUNCTION(0x1, "dev", "ad19", V_MV78260_PLUS)), MPP_MODE(55, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS), - MPP_VAR_FUNCTION(0x1, "dev", "ad20", V_MV78260_PLUS), - MPP_VAR_FUNCTION(0x2, "vdd", "cpu0-pd", V_MV78260_PLUS)), + MPP_VAR_FUNCTION(0x1, "dev", "ad20", V_MV78260_PLUS)), MPP_MODE(56, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS), - MPP_VAR_FUNCTION(0x1, "dev", "ad21", V_MV78260_PLUS), - MPP_VAR_FUNCTION(0x2, "vdd", "cpu1-pd", V_MV78260_PLUS)), + MPP_VAR_FUNCTION(0x1, "dev", "ad21", V_MV78260_PLUS)), MPP_MODE(57, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS), - MPP_VAR_FUNCTION(0x1, "dev", "ad22", V_MV78260_PLUS), - MPP_VAR_FUNCTION(0x2, "vdd", "cpu2-3-pd", V_MV78460)), + MPP_VAR_FUNCTION(0x1, "dev", "ad22", V_MV78260_PLUS)), MPP_MODE(58, MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS), MPP_VAR_FUNCTION(0x1, "dev", "ad23", V_MV78260_PLUS)), diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index fed4111ac31a..1beb232ef03b 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -272,7 +272,6 @@ static struct dmi_system_id dell_quirks[] = { }; static struct calling_interface_buffer *buffer; -static struct page *bufferpage; static DEFINE_MUTEX(buffer_mutex); static int hwswitch_state; @@ -825,12 +824,11 @@ static int __init dell_init(void) * Allocate buffer below 4GB for SMI data--only 32-bit physical addr * is passed to SMI handler. */ - bufferpage = alloc_page(GFP_KERNEL | GFP_DMA32); - if (!bufferpage) { + buffer = (void *)__get_free_page(GFP_KERNEL | GFP_DMA32); + if (!buffer) { ret = -ENOMEM; goto fail_buffer; } - buffer = page_address(bufferpage); ret = dell_setup_rfkill(); @@ -892,7 +890,7 @@ fail_backlight: cancel_delayed_work_sync(&dell_rfkill_work); dell_cleanup_rfkill(); fail_rfkill: - free_page((unsigned long)bufferpage); + free_page((unsigned long)buffer); fail_buffer: platform_device_del(platform_device); fail_platform_device2: diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 6dd060a0bb65..0d1a5d497ce0 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -461,8 +461,9 @@ const struct ideapad_rfk_data ideapad_rfk_data[] = { static int ideapad_rfk_set(void *data, bool blocked) { struct ideapad_rfk_priv *priv = data; + int opcode = ideapad_rfk_data[priv->dev].opcode; - return write_ec_cmd(priv->priv->adev->handle, priv->dev, !blocked); + return write_ec_cmd(priv->priv->adev->handle, opcode, !blocked); } static struct rfkill_ops ideapad_rfk_ops = { diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 5d8d2dcd975e..427cb625af0a 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -773,7 +773,7 @@ static int suspend_prepare(struct regulator_dev *rdev, suspend_state_t state) static void print_constraints(struct regulator_dev *rdev) { struct regulation_constraints *constraints = rdev->constraints; - char buf[80] = ""; + char buf[160] = ""; int count = 0; int ret; diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 528bff5ec91f..85d370e1ca79 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -3984,10 +3984,6 @@ static int hpsa_kdump_hard_reset_controller(struct pci_dev *pdev) /* Save the PCI command register */ pci_read_config_word(pdev, 4, &command_register); - /* Turn the board off. This is so that later pci_restore_state() - * won't turn the board on before the rest of config space is ready. - */ - pci_disable_device(pdev); pci_save_state(pdev); /* find the first memory BAR, so we can find the cfg table */ @@ -4035,11 +4031,6 @@ static int hpsa_kdump_hard_reset_controller(struct pci_dev *pdev) goto unmap_cfgtable; pci_restore_state(pdev); - rc = pci_enable_device(pdev); - if (rc) { - dev_warn(&pdev->dev, "failed to enable device.\n"); - goto unmap_cfgtable; - } pci_write_config_word(pdev, 4, command_register); /* Some devices (notably the HP Smart Array 5i Controller) @@ -4525,6 +4516,23 @@ static int hpsa_init_reset_devices(struct pci_dev *pdev) if (!reset_devices) return 0; + /* kdump kernel is loading, we don't know in which state is + * the pci interface. The dev->enable_cnt is equal zero + * so we call enable+disable, wait a while and switch it on. + */ + rc = pci_enable_device(pdev); + if (rc) { + dev_warn(&pdev->dev, "Failed to enable PCI device\n"); + return -ENODEV; + } + pci_disable_device(pdev); + msleep(260); /* a randomly chosen number */ + rc = pci_enable_device(pdev); + if (rc) { + dev_warn(&pdev->dev, "failed to enable device.\n"); + return -ENODEV; + } + pci_set_master(pdev); /* Reset the controller with a PCI power-cycle or via doorbell */ rc = hpsa_kdump_hard_reset_controller(pdev); @@ -4533,10 +4541,11 @@ static int hpsa_init_reset_devices(struct pci_dev *pdev) * "performant mode". Or, it might be 640x, which can't reset * due to concerns about shared bbwc between 6402/6404 pair. */ - if (rc == -ENOTSUPP) - return rc; /* just try to do the kdump anyhow. */ - if (rc) - return -ENODEV; + if (rc) { + if (rc != -ENOTSUPP) /* just try to do the kdump anyhow. */ + rc = -ENODEV; + goto out_disable; + } /* Now try to get the controller to respond to a no-op */ dev_warn(&pdev->dev, "Waiting for controller to respond to no-op\n"); @@ -4547,7 +4556,11 @@ static int hpsa_init_reset_devices(struct pci_dev *pdev) dev_warn(&pdev->dev, "no-op failed%s\n", (i < 11 ? "; re-trying" : "")); } - return 0; + +out_disable: + + pci_disable_device(pdev); + return rc; } static int hpsa_allocate_cmd_pool(struct ctlr_info *h) @@ -4690,6 +4703,7 @@ static void hpsa_undo_allocations_after_kdump_soft_reset(struct ctlr_info *h) iounmap(h->transtable); if (h->cfgtable) iounmap(h->cfgtable); + pci_disable_device(h->pdev); pci_release_regions(h->pdev); kfree(h); } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 0801f3df4b27..02edae714b0e 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -264,7 +264,7 @@ #define IPR_RUNTIME_RESET 0x40000000 #define IPR_IPL_INIT_MIN_STAGE_TIME 5 -#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 15 +#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 30 #define IPR_IPL_INIT_STAGE_UNKNOWN 0x0 #define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000 #define IPR_IPL_INIT_STAGE_MASK 0xff000000 diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 8f580fda443f..ce211328bc1c 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -265,6 +265,16 @@ lpfc_sli4_eq_get(struct lpfc_queue *q) return NULL; q->hba_index = idx; + + /* + * insert barrier for instruction interlock : data from the hardware + * must have the valid bit checked before it can be copied and acted + * upon. Given what was seen in lpfc_sli4_cq_get() of speculative + * instructions allowing action on content before valid bit checked, + * add barrier here as well. May not be needed as "content" is a + * single 32-bit entity here (vs multi word structure for cq's). + */ + mb(); return eqe; } @@ -370,6 +380,17 @@ lpfc_sli4_cq_get(struct lpfc_queue *q) cqe = q->qe[q->hba_index].cqe; q->hba_index = idx; + + /* + * insert barrier for instruction interlock : data from the hardware + * must have the valid bit checked before it can be copied and acted + * upon. Speculative instructions were allowing a bcopy at the start + * of lpfc_sli4_fp_handle_wcqe(), which is called immediately + * after our return, to copy data before the valid bit check above + * was done. As such, some of the copied data was stale. The barrier + * ensures the check is before any data is copied. + */ + mb(); return cqe; } diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 0a1dcb43d18b..13f4bef214dc 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -572,8 +572,9 @@ qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; - uint32_t rscn_entry, host_pid; + uint32_t rscn_entry, host_pid, tmp_pid; unsigned long flags; + fc_port_t *fcport = NULL; /* Setup to process RIO completion. */ handle_cnt = 0; @@ -968,6 +969,20 @@ skip_rio: if (qla2x00_is_a_vp_did(vha, rscn_entry)) break; + /* + * Search for the rport related to this RSCN entry and mark it + * as lost. + */ + list_for_each_entry(fcport, &vha->vp_fcports, list) { + if (atomic_read(&fcport->state) != FCS_ONLINE) + continue; + tmp_pid = fcport->d_id.b24; + if (fcport->d_id.b24 == rscn_entry) { + qla2x00_mark_device_lost(vha, fcport, 0, 0); + break; + } + } + atomic_set(&vha->loop_down_timer, 0); vha->flags.management_server_logged_in = 0; diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c index e3e794ee7ddd..b85eaa0d75c2 100644 --- a/drivers/scsi/scsi_transport_srp.c +++ b/drivers/scsi/scsi_transport_srp.c @@ -397,6 +397,36 @@ static void srp_reconnect_work(struct work_struct *work) } } +/** + * scsi_request_fn_active() - number of kernel threads inside scsi_request_fn() + * @shost: SCSI host for which to count the number of scsi_request_fn() callers. + * + * To do: add support for scsi-mq in this function. + */ +static int scsi_request_fn_active(struct Scsi_Host *shost) +{ + struct scsi_device *sdev; + struct request_queue *q; + int request_fn_active = 0; + + shost_for_each_device(sdev, shost) { + q = sdev->request_queue; + + spin_lock_irq(q->queue_lock); + request_fn_active += q->request_fn_active; + spin_unlock_irq(q->queue_lock); + } + + return request_fn_active; +} + +/* Wait until ongoing shost->hostt->queuecommand() calls have finished. */ +static void srp_wait_for_queuecommand(struct Scsi_Host *shost) +{ + while (scsi_request_fn_active(shost)) + msleep(20); +} + static void __rport_fail_io_fast(struct srp_rport *rport) { struct Scsi_Host *shost = rport_to_shost(rport); @@ -410,8 +440,10 @@ static void __rport_fail_io_fast(struct srp_rport *rport) /* Involve the LLD if possible to terminate all I/O on the rport. */ i = to_srp_internal(shost->transportt); - if (i->f->terminate_rport_io) + if (i->f->terminate_rport_io) { + srp_wait_for_queuecommand(shost); i->f->terminate_rport_io(rport); + } } /** @@ -505,27 +537,6 @@ void srp_start_tl_fail_timers(struct srp_rport *rport) EXPORT_SYMBOL(srp_start_tl_fail_timers); /** - * scsi_request_fn_active() - number of kernel threads inside scsi_request_fn() - * @shost: SCSI host for which to count the number of scsi_request_fn() callers. - */ -static int scsi_request_fn_active(struct Scsi_Host *shost) -{ - struct scsi_device *sdev; - struct request_queue *q; - int request_fn_active = 0; - - shost_for_each_device(sdev, shost) { - q = sdev->request_queue; - - spin_lock_irq(q->queue_lock); - request_fn_active += q->request_fn_active; - spin_unlock_irq(q->queue_lock); - } - - return request_fn_active; -} - -/** * srp_reconnect_rport() - reconnect to an SRP target port * @rport: SRP target port. * @@ -560,8 +571,7 @@ int srp_reconnect_rport(struct srp_rport *rport) if (res) goto out; scsi_target_block(&shost->shost_gendev); - while (scsi_request_fn_active(shost)) - msleep(20); + srp_wait_for_queuecommand(shost); res = rport->state != SRP_RPORT_LOST ? i->f->reconnect(rport) : -ENODEV; pr_debug("%s (state %d): transport.reconnect() returned %d\n", dev_name(&shost->shost_gendev), rport->state, res); diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index a1d6986261a3..f3109828c6df 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -1262,9 +1262,9 @@ static int st_open(struct inode *inode, struct file *filp) spin_lock(&st_use_lock); STp->in_use = 0; spin_unlock(&st_use_lock); - scsi_tape_put(STp); if (resumed) scsi_autopm_put_device(STp->device); + scsi_tape_put(STp); return retval; } diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index d6563ec700d4..f3e3ae8af709 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -834,9 +834,6 @@ void spi_finalize_current_message(struct spi_master *master) spin_lock_irqsave(&master->queue_lock, flags); mesg = master->cur_msg; - master->cur_msg = NULL; - - queue_kthread_work(&master->kworker, &master->pump_messages); spin_unlock_irqrestore(&master->queue_lock, flags); if (master->cur_msg_prepared && master->unprepare_message) { @@ -847,9 +844,13 @@ void spi_finalize_current_message(struct spi_master *master) } } - trace_spi_message_done(mesg); - + spin_lock_irqsave(&master->queue_lock, flags); + master->cur_msg = NULL; master->cur_msg_prepared = false; + queue_kthread_work(&master->kworker, &master->pump_messages); + spin_unlock_irqrestore(&master->queue_lock, flags); + + trace_spi_message_done(mesg); mesg->state = NULL; if (mesg->complete) diff --git a/drivers/staging/ozwpan/ozusbsvc1.c b/drivers/staging/ozwpan/ozusbsvc1.c index 617f51cdaea7..b58e87e951e7 100644 --- a/drivers/staging/ozwpan/ozusbsvc1.c +++ b/drivers/staging/ozwpan/ozusbsvc1.c @@ -323,7 +323,11 @@ static void oz_usb_handle_ep_data(struct oz_usb_ctx *usb_ctx, struct oz_multiple_fixed *body = (struct oz_multiple_fixed *)data_hdr; u8 *data = body->data; - int n = (len - sizeof(struct oz_multiple_fixed)+1) + unsigned int n; + if (!body->unit_size || + len < sizeof(struct oz_multiple_fixed) - 1) + break; + n = (len - (sizeof(struct oz_multiple_fixed) - 1)) / body->unit_size; while (n--) { oz_hcd_data_ind(usb_ctx->hport, body->endpoint, @@ -386,10 +390,15 @@ void oz_usb_rx(struct oz_pd *pd, struct oz_elt *elt) case OZ_GET_DESC_RSP: { struct oz_get_desc_rsp *body = (struct oz_get_desc_rsp *)usb_hdr; - int data_len = elt->length - - sizeof(struct oz_get_desc_rsp) + 1; - u16 offs = le16_to_cpu(get_unaligned(&body->offset)); - u16 total_size = + u16 offs, total_size; + u8 data_len; + + if (elt->length < sizeof(struct oz_get_desc_rsp) - 1) + break; + data_len = elt->length - + (sizeof(struct oz_get_desc_rsp) - 1); + offs = le16_to_cpu(get_unaligned(&body->offset)); + total_size = le16_to_cpu(get_unaligned(&body->total_size)); oz_dbg(ON, "USB_REQ_GET_DESCRIPTOR - cnf\n"); oz_hcd_get_desc_cnf(usb_ctx->hport, body->req_id, diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c index ea965370d1ac..d060b1f4f092 100644 --- a/drivers/staging/rtl8712/rtl8712_recv.c +++ b/drivers/staging/rtl8712/rtl8712_recv.c @@ -1075,7 +1075,8 @@ static int recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb) /* for first fragment packet, driver need allocate 1536 + * drvinfo_sz + RXDESC_SIZE to defrag packet. */ if ((mf == 1) && (frag == 0)) - alloc_sz = 1658;/*1658+6=1664, 1664 is 128 alignment.*/ + /*1658+6=1664, 1664 is 128 alignment.*/ + alloc_sz = max_t(u16, tmp_len, 1658); else alloc_sz = tmp_len; /* 2 is for IP header 4 bytes alignment in QoS packet case. diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index b61c555a5a8f..55ec9b4b97cc 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -518,7 +518,7 @@ static struct iscsit_transport iscsi_target_transport = { static int __init iscsi_target_init_module(void) { - int ret = 0; + int ret = 0, size; pr_debug("iSCSI-Target "ISCSIT_VERSION"\n"); @@ -527,6 +527,7 @@ static int __init iscsi_target_init_module(void) pr_err("Unable to allocate memory for iscsit_global\n"); return -1; } + spin_lock_init(&iscsit_global->ts_bitmap_lock); mutex_init(&auth_id_lock); spin_lock_init(&sess_idr_lock); idr_init(&tiqn_idr); @@ -536,15 +537,11 @@ static int __init iscsi_target_init_module(void) if (ret < 0) goto out; - ret = iscsi_thread_set_init(); - if (ret < 0) + size = BITS_TO_LONGS(ISCSIT_BITMAP_BITS) * sizeof(long); + iscsit_global->ts_bitmap = vzalloc(size); + if (!iscsit_global->ts_bitmap) { + pr_err("Unable to allocate iscsit_global->ts_bitmap\n"); goto configfs_out; - - if (iscsi_allocate_thread_sets(TARGET_THREAD_SET_COUNT) != - TARGET_THREAD_SET_COUNT) { - pr_err("iscsi_allocate_thread_sets() returned" - " unexpected value!\n"); - goto ts_out1; } lio_qr_cache = kmem_cache_create("lio_qr_cache", @@ -553,7 +550,7 @@ static int __init iscsi_target_init_module(void) if (!lio_qr_cache) { pr_err("nable to kmem_cache_create() for" " lio_qr_cache\n"); - goto ts_out2; + goto bitmap_out; } lio_dr_cache = kmem_cache_create("lio_dr_cache", @@ -597,10 +594,8 @@ dr_out: kmem_cache_destroy(lio_dr_cache); qr_out: kmem_cache_destroy(lio_qr_cache); -ts_out2: - iscsi_deallocate_thread_sets(); -ts_out1: - iscsi_thread_set_free(); +bitmap_out: + vfree(iscsit_global->ts_bitmap); configfs_out: iscsi_target_deregister_configfs(); out: @@ -610,8 +605,6 @@ out: static void __exit iscsi_target_cleanup_module(void) { - iscsi_deallocate_thread_sets(); - iscsi_thread_set_free(); iscsit_release_discovery_tpg(); iscsit_unregister_transport(&iscsi_target_transport); kmem_cache_destroy(lio_qr_cache); @@ -621,6 +614,7 @@ static void __exit iscsi_target_cleanup_module(void) iscsi_target_deregister_configfs(); + vfree(iscsit_global->ts_bitmap); kfree(iscsit_global); } @@ -3653,17 +3647,16 @@ static int iscsit_send_reject( void iscsit_thread_get_cpumask(struct iscsi_conn *conn) { - struct iscsi_thread_set *ts = conn->thread_set; int ord, cpu; /* - * thread_id is assigned from iscsit_global->ts_bitmap from - * within iscsi_thread_set.c:iscsi_allocate_thread_sets() + * bitmap_id is assigned from iscsit_global->ts_bitmap from + * within iscsit_start_kthreads() * - * Here we use thread_id to determine which CPU that this - * iSCSI connection's iscsi_thread_set will be scheduled to + * Here we use bitmap_id to determine which CPU that this + * iSCSI connection's RX/TX threads will be scheduled to * execute upon. */ - ord = ts->thread_id % cpumask_weight(cpu_online_mask); + ord = conn->bitmap_id % cpumask_weight(cpu_online_mask); for_each_online_cpu(cpu) { if (ord-- == 0) { cpumask_set_cpu(cpu, conn->conn_cpumask); @@ -3855,7 +3848,7 @@ check_rsp_state: switch (state) { case ISTATE_SEND_LOGOUTRSP: if (!iscsit_logout_post_handler(cmd, conn)) - goto restart; + return -ECONNRESET; /* fall through */ case ISTATE_SEND_STATUS: case ISTATE_SEND_ASYNCMSG: @@ -3883,8 +3876,6 @@ check_rsp_state: err: return -1; -restart: - return -EAGAIN; } static int iscsit_handle_response_queue(struct iscsi_conn *conn) @@ -3911,21 +3902,13 @@ static int iscsit_handle_response_queue(struct iscsi_conn *conn) int iscsi_target_tx_thread(void *arg) { int ret = 0; - struct iscsi_conn *conn; - struct iscsi_thread_set *ts = arg; + struct iscsi_conn *conn = arg; /* * Allow ourselves to be interrupted by SIGINT so that a * connection recovery / failure event can be triggered externally. */ allow_signal(SIGINT); -restart: - conn = iscsi_tx_thread_pre_handler(ts); - if (!conn) - goto out; - - ret = 0; - while (!kthread_should_stop()) { /* * Ensure that both TX and RX per connection kthreads @@ -3934,11 +3917,9 @@ restart: iscsit_thread_check_cpumask(conn, current, 1); wait_event_interruptible(conn->queues_wq, - !iscsit_conn_all_queues_empty(conn) || - ts->status == ISCSI_THREAD_SET_RESET); + !iscsit_conn_all_queues_empty(conn)); - if ((ts->status == ISCSI_THREAD_SET_RESET) || - signal_pending(current)) + if (signal_pending(current)) goto transport_err; get_immediate: @@ -3949,15 +3930,14 @@ get_immediate: ret = iscsit_handle_response_queue(conn); if (ret == 1) goto get_immediate; - else if (ret == -EAGAIN) - goto restart; + else if (ret == -ECONNRESET) + goto out; else if (ret < 0) goto transport_err; } transport_err: iscsit_take_action_for_connection_exit(conn); - goto restart; out: return 0; } @@ -4046,8 +4026,7 @@ int iscsi_target_rx_thread(void *arg) int ret; u8 buffer[ISCSI_HDR_LEN], opcode; u32 checksum = 0, digest = 0; - struct iscsi_conn *conn = NULL; - struct iscsi_thread_set *ts = arg; + struct iscsi_conn *conn = arg; struct kvec iov; /* * Allow ourselves to be interrupted by SIGINT so that a @@ -4055,11 +4034,6 @@ int iscsi_target_rx_thread(void *arg) */ allow_signal(SIGINT); -restart: - conn = iscsi_rx_thread_pre_handler(ts); - if (!conn) - goto out; - if (conn->conn_transport->transport_type == ISCSI_INFINIBAND) { struct completion comp; int rc; @@ -4069,7 +4043,7 @@ restart: if (rc < 0) goto transport_err; - goto out; + goto transport_err; } while (!kthread_should_stop()) { @@ -4145,8 +4119,6 @@ transport_err: if (!signal_pending(current)) atomic_set(&conn->transport_failed, 1); iscsit_take_action_for_connection_exit(conn); - goto restart; -out: return 0; } @@ -4208,7 +4180,24 @@ int iscsit_close_connection( if (conn->conn_transport->transport_type == ISCSI_TCP) complete(&conn->conn_logout_comp); - iscsi_release_thread_set(conn); + if (!strcmp(current->comm, ISCSI_RX_THREAD_NAME)) { + if (conn->tx_thread && + cmpxchg(&conn->tx_thread_active, true, false)) { + send_sig(SIGINT, conn->tx_thread, 1); + kthread_stop(conn->tx_thread); + } + } else if (!strcmp(current->comm, ISCSI_TX_THREAD_NAME)) { + if (conn->rx_thread && + cmpxchg(&conn->rx_thread_active, true, false)) { + send_sig(SIGINT, conn->rx_thread, 1); + kthread_stop(conn->rx_thread); + } + } + + spin_lock(&iscsit_global->ts_bitmap_lock); + bitmap_release_region(iscsit_global->ts_bitmap, conn->bitmap_id, + get_order(1)); + spin_unlock(&iscsit_global->ts_bitmap_lock); iscsit_stop_timers_for_cmds(conn); iscsit_stop_nopin_response_timer(conn); @@ -4487,15 +4476,24 @@ static void iscsit_logout_post_handler_closesession( struct iscsi_conn *conn) { struct iscsi_session *sess = conn->sess; - - iscsi_set_thread_clear(conn, ISCSI_CLEAR_TX_THREAD); - iscsi_set_thread_set_signal(conn, ISCSI_SIGNAL_TX_THREAD); + int sleep = 1; + /* + * Traditional iscsi/tcp will invoke this logic from TX thread + * context during session logout, so clear tx_thread_active and + * sleep if iscsit_close_connection() has not already occured. + * + * Since iser-target invokes this logic from it's own workqueue, + * always sleep waiting for RX/TX thread shutdown to complete + * within iscsit_close_connection(). + */ + if (conn->conn_transport->transport_type == ISCSI_TCP) + sleep = cmpxchg(&conn->tx_thread_active, true, false); atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); iscsit_dec_conn_usage_count(conn); - iscsit_stop_session(sess, 1, 1); + iscsit_stop_session(sess, sleep, sleep); iscsit_dec_session_usage_count(sess); target_put_session(sess->se_sess); } @@ -4503,13 +4501,15 @@ static void iscsit_logout_post_handler_closesession( static void iscsit_logout_post_handler_samecid( struct iscsi_conn *conn) { - iscsi_set_thread_clear(conn, ISCSI_CLEAR_TX_THREAD); - iscsi_set_thread_set_signal(conn, ISCSI_SIGNAL_TX_THREAD); + int sleep = 1; + + if (conn->conn_transport->transport_type == ISCSI_TCP) + sleep = cmpxchg(&conn->tx_thread_active, true, false); atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); - iscsit_cause_connection_reinstatement(conn, 1); + iscsit_cause_connection_reinstatement(conn, sleep); iscsit_dec_conn_usage_count(conn); } @@ -4723,6 +4723,7 @@ int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *tpg, int force) struct iscsi_session *sess; struct se_portal_group *se_tpg = &tpg->tpg_se_tpg; struct se_session *se_sess, *se_sess_tmp; + LIST_HEAD(free_list); int session_count = 0; spin_lock_bh(&se_tpg->session_lock); @@ -4744,14 +4745,17 @@ int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *tpg, int force) } atomic_set(&sess->session_reinstatement, 1); spin_unlock(&sess->conn_lock); - spin_unlock_bh(&se_tpg->session_lock); - iscsit_free_session(sess); - spin_lock_bh(&se_tpg->session_lock); + list_move_tail(&se_sess->sess_list, &free_list); + } + spin_unlock_bh(&se_tpg->session_lock); + list_for_each_entry_safe(se_sess, se_sess_tmp, &free_list, sess_list) { + sess = (struct iscsi_session *)se_sess->fabric_sess_ptr; + + iscsit_free_session(sess); session_count++; } - spin_unlock_bh(&se_tpg->session_lock); pr_debug("Released %d iSCSI Session(s) from Target Portal" " Group: %hu\n", session_count, tpg->tpgt); diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index 1d4a8c86551f..825b579ebca8 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -601,6 +601,11 @@ struct iscsi_conn { struct iscsi_session *sess; /* Pointer to thread_set in use for this conn's threads */ struct iscsi_thread_set *thread_set; + int bitmap_id; + int rx_thread_active; + struct task_struct *rx_thread; + int tx_thread_active; + struct task_struct *tx_thread; /* list_head for session connection list */ struct list_head conn_list; } ____cacheline_aligned; @@ -869,10 +874,12 @@ struct iscsit_global { /* Unique identifier used for the authentication daemon */ u32 auth_id; u32 inactive_ts; +#define ISCSIT_BITMAP_BITS 262144 /* Thread Set bitmap count */ int ts_bitmap_count; /* Thread Set bitmap pointer */ unsigned long *ts_bitmap; + spinlock_t ts_bitmap_lock; /* Used for iSCSI discovery session authentication */ struct iscsi_node_acl discovery_acl; struct iscsi_portal_group *discovery_tpg; diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c index 0d1e6ee3e992..7396d90d96b2 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.c +++ b/drivers/target/iscsi/iscsi_target_erl0.c @@ -864,7 +864,10 @@ void iscsit_connection_reinstatement_rcfr(struct iscsi_conn *conn) } spin_unlock_bh(&conn->state_lock); - iscsi_thread_set_force_reinstatement(conn); + if (conn->tx_thread && conn->tx_thread_active) + send_sig(SIGINT, conn->tx_thread, 1); + if (conn->rx_thread && conn->rx_thread_active) + send_sig(SIGINT, conn->rx_thread, 1); sleep: wait_for_completion(&conn->conn_wait_rcfr_comp); @@ -889,10 +892,10 @@ void iscsit_cause_connection_reinstatement(struct iscsi_conn *conn, int sleep) return; } - if (iscsi_thread_set_force_reinstatement(conn) < 0) { - spin_unlock_bh(&conn->state_lock); - return; - } + if (conn->tx_thread && conn->tx_thread_active) + send_sig(SIGINT, conn->tx_thread, 1); + if (conn->rx_thread && conn->rx_thread_active) + send_sig(SIGINT, conn->rx_thread, 1); atomic_set(&conn->connection_reinstatement, 1); if (!sleep) { diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index c5d3811a7b8c..449df092bfa0 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -681,6 +681,51 @@ static void iscsi_post_login_start_timers(struct iscsi_conn *conn) iscsit_start_nopin_timer(conn); } +int iscsit_start_kthreads(struct iscsi_conn *conn) +{ + int ret = 0; + + spin_lock(&iscsit_global->ts_bitmap_lock); + conn->bitmap_id = bitmap_find_free_region(iscsit_global->ts_bitmap, + ISCSIT_BITMAP_BITS, get_order(1)); + spin_unlock(&iscsit_global->ts_bitmap_lock); + + if (conn->bitmap_id < 0) { + pr_err("bitmap_find_free_region() failed for" + " iscsit_start_kthreads()\n"); + return -ENOMEM; + } + + conn->tx_thread = kthread_run(iscsi_target_tx_thread, conn, + "%s", ISCSI_TX_THREAD_NAME); + if (IS_ERR(conn->tx_thread)) { + pr_err("Unable to start iscsi_target_tx_thread\n"); + ret = PTR_ERR(conn->tx_thread); + goto out_bitmap; + } + conn->tx_thread_active = true; + + conn->rx_thread = kthread_run(iscsi_target_rx_thread, conn, + "%s", ISCSI_RX_THREAD_NAME); + if (IS_ERR(conn->rx_thread)) { + pr_err("Unable to start iscsi_target_rx_thread\n"); + ret = PTR_ERR(conn->rx_thread); + goto out_tx; + } + conn->rx_thread_active = true; + + return 0; +out_tx: + kthread_stop(conn->tx_thread); + conn->tx_thread_active = false; +out_bitmap: + spin_lock(&iscsit_global->ts_bitmap_lock); + bitmap_release_region(iscsit_global->ts_bitmap, conn->bitmap_id, + get_order(1)); + spin_unlock(&iscsit_global->ts_bitmap_lock); + return ret; +} + int iscsi_post_login_handler( struct iscsi_np *np, struct iscsi_conn *conn, @@ -691,7 +736,7 @@ int iscsi_post_login_handler( struct se_session *se_sess = sess->se_sess; struct iscsi_portal_group *tpg = sess->tpg; struct se_portal_group *se_tpg = &tpg->tpg_se_tpg; - struct iscsi_thread_set *ts; + int rc; iscsit_inc_conn_usage_count(conn); @@ -706,7 +751,6 @@ int iscsi_post_login_handler( /* * SCSI Initiator -> SCSI Target Port Mapping */ - ts = iscsi_get_thread_set(); if (!zero_tsih) { iscsi_set_session_parameters(sess->sess_ops, conn->param_list, 0); @@ -733,9 +777,11 @@ int iscsi_post_login_handler( sess->sess_ops->InitiatorName); spin_unlock_bh(&sess->conn_lock); - iscsi_post_login_start_timers(conn); + rc = iscsit_start_kthreads(conn); + if (rc) + return rc; - iscsi_activate_thread_set(conn, ts); + iscsi_post_login_start_timers(conn); /* * Determine CPU mask to ensure connection's RX and TX kthreads * are scheduled on the same CPU. @@ -792,8 +838,11 @@ int iscsi_post_login_handler( " iSCSI Target Portal Group: %hu\n", tpg->nsessions, tpg->tpgt); spin_unlock_bh(&se_tpg->session_lock); + rc = iscsit_start_kthreads(conn); + if (rc) + return rc; + iscsi_post_login_start_timers(conn); - iscsi_activate_thread_set(conn, ts); /* * Determine CPU mask to ensure connection's RX and TX kthreads * are scheduled on the same CPU. diff --git a/drivers/thermal/step_wise.c b/drivers/thermal/step_wise.c index ee52ab7d3730..c501eba601da 100644 --- a/drivers/thermal/step_wise.c +++ b/drivers/thermal/step_wise.c @@ -76,7 +76,7 @@ static unsigned long get_target_state(struct thermal_instance *instance, next_target = instance->upper; break; case THERMAL_TREND_DROPPING: - if (cur_state == instance->lower) { + if (cur_state <= instance->lower) { if (!throttle) next_target = THERMAL_NO_TARGET; } else { diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 8ab46ad40f28..81951904186c 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -186,6 +186,17 @@ static int receive_room(struct tty_struct *tty) return left; } +static inline int tty_copy_to_user(struct tty_struct *tty, + void __user *to, + const void *from, + unsigned long n) +{ + struct n_tty_data *ldata = tty->disc_data; + + tty_audit_add_data(tty, to, n, ldata->icanon); + return copy_to_user(to, from, n); +} + /** * n_tty_set_room - receive space * @tty: terminal @@ -2084,12 +2095,12 @@ static int canon_copy_from_read_buf(struct tty_struct *tty, __func__, eol, found, n, c, size, more); if (n > size) { - ret = copy_to_user(*b, read_buf_addr(ldata, tail), size); + ret = tty_copy_to_user(tty, *b, read_buf_addr(ldata, tail), size); if (ret) return -EFAULT; - ret = copy_to_user(*b + size, ldata->read_buf, n - size); + ret = tty_copy_to_user(tty, *b + size, ldata->read_buf, n - size); } else - ret = copy_to_user(*b, read_buf_addr(ldata, tail), n); + ret = tty_copy_to_user(tty, *b, read_buf_addr(ldata, tail), n); if (ret) return -EFAULT; diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index d799140e53b6..1fd9bc695ab7 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -907,6 +907,14 @@ static void dma_rx_callback(void *data) status = dmaengine_tx_status(chan, (dma_cookie_t)0, &state); count = RX_BUF_SIZE - state.residue; + + if (readl(sport->port.membase + USR2) & USR2_IDLE) { + /* In condition [3] the SDMA counted up too early */ + count--; + + writel(USR2_IDLE, sport->port.membase + USR2); + } + dev_dbg(sport->port.dev, "We get %d bytes.\n", count); if (count) { diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 45b7b96f9ed3..8016aaa158f2 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -513,7 +513,7 @@ static void async_completed(struct urb *urb) snoop(&urb->dev->dev, "urb complete\n"); snoop_urb(urb->dev, as->userurb, urb->pipe, urb->actual_length, as->status, COMPLETE, NULL, 0); - if ((urb->transfer_flags & URB_DIR_MASK) == USB_DIR_IN) + if ((urb->transfer_flags & URB_DIR_MASK) == URB_DIR_IN) snoop_urb_data(urb, urb->actual_length); if (as->status < 0 && as->bulk_addr && as->status != -ECONNRESET && @@ -1591,7 +1591,7 @@ static struct async *reap_as(struct dev_state *ps) for (;;) { __set_current_state(TASK_INTERRUPTIBLE); as = async_getcompleted(ps); - if (as) + if (as || !connected(ps)) break; if (signal_pending(current)) break; @@ -1614,7 +1614,7 @@ static int proc_reapurb(struct dev_state *ps, void __user *arg) } if (signal_pending(current)) return -EINTR; - return -EIO; + return -ENODEV; } static int proc_reapurbnonblock(struct dev_state *ps, void __user *arg) @@ -1623,10 +1623,11 @@ static int proc_reapurbnonblock(struct dev_state *ps, void __user *arg) struct async *as; as = async_getcompleted(ps); - retval = -EAGAIN; if (as) { retval = processcompl(as, (void __user * __user *)arg); free_async(as); + } else { + retval = (connected(ps) ? -EAGAIN : -ENODEV); } return retval; } @@ -1756,7 +1757,7 @@ static int proc_reapurb_compat(struct dev_state *ps, void __user *arg) } if (signal_pending(current)) return -EINTR; - return -EIO; + return -ENODEV; } static int proc_reapurbnonblock_compat(struct dev_state *ps, void __user *arg) @@ -1764,11 +1765,12 @@ static int proc_reapurbnonblock_compat(struct dev_state *ps, void __user *arg) int retval; struct async *as; - retval = -EAGAIN; as = async_getcompleted(ps); if (as) { retval = processcompl_compat(as, (void __user * __user *)arg); free_async(as); + } else { + retval = (connected(ps) ? -EAGAIN : -ENODEV); } return retval; } @@ -1940,7 +1942,8 @@ static int proc_get_capabilities(struct dev_state *ps, void __user *arg) { __u32 caps; - caps = USBDEVFS_CAP_ZERO_PACKET | USBDEVFS_CAP_NO_PACKET_SIZE_LIM; + caps = USBDEVFS_CAP_ZERO_PACKET | USBDEVFS_CAP_NO_PACKET_SIZE_LIM | + USBDEVFS_CAP_REAP_AFTER_DISCONNECT; if (!ps->dev->bus->no_stop_on_short) caps |= USBDEVFS_CAP_BULK_CONTINUATION; if (ps->dev->bus->sg_tablesize) @@ -2001,6 +2004,32 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, return -EPERM; usb_lock_device(dev); + + /* Reap operations are allowed even after disconnection */ + switch (cmd) { + case USBDEVFS_REAPURB: + snoop(&dev->dev, "%s: REAPURB\n", __func__); + ret = proc_reapurb(ps, p); + goto done; + + case USBDEVFS_REAPURBNDELAY: + snoop(&dev->dev, "%s: REAPURBNDELAY\n", __func__); + ret = proc_reapurbnonblock(ps, p); + goto done; + +#ifdef CONFIG_COMPAT + case USBDEVFS_REAPURB32: + snoop(&dev->dev, "%s: REAPURB32\n", __func__); + ret = proc_reapurb_compat(ps, p); + goto done; + + case USBDEVFS_REAPURBNDELAY32: + snoop(&dev->dev, "%s: REAPURBNDELAY32\n", __func__); + ret = proc_reapurbnonblock_compat(ps, p); + goto done; +#endif + } + if (!connected(ps)) { usb_unlock_device(dev); return -ENODEV; @@ -2094,16 +2123,6 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, inode->i_mtime = CURRENT_TIME; break; - case USBDEVFS_REAPURB32: - snoop(&dev->dev, "%s: REAPURB32\n", __func__); - ret = proc_reapurb_compat(ps, p); - break; - - case USBDEVFS_REAPURBNDELAY32: - snoop(&dev->dev, "%s: REAPURBNDELAY32\n", __func__); - ret = proc_reapurbnonblock_compat(ps, p); - break; - case USBDEVFS_IOCTL32: snoop(&dev->dev, "%s: IOCTL32\n", __func__); ret = proc_ioctl_compat(ps, ptr_to_compat(p)); @@ -2115,16 +2134,6 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, ret = proc_unlinkurb(ps, p); break; - case USBDEVFS_REAPURB: - snoop(&dev->dev, "%s: REAPURB\n", __func__); - ret = proc_reapurb(ps, p); - break; - - case USBDEVFS_REAPURBNDELAY: - snoop(&dev->dev, "%s: REAPURBNDELAY\n", __func__); - ret = proc_reapurbnonblock(ps, p); - break; - case USBDEVFS_DISCSIGNAL: snoop(&dev->dev, "%s: DISCSIGNAL\n", __func__); ret = proc_disconnectsignal(ps, p); @@ -2161,6 +2170,8 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, ret = proc_disconnect_claim(ps, p); break; } + + done: usb_unlock_device(dev); if (ret >= 0) inode->i_atime = CURRENT_TIME; diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 0985ff715c0c..a05fc58d9b60 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -707,6 +707,10 @@ static int dwc3_ep0_std_request(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) dev_vdbg(dwc->dev, "USB_REQ_SET_ISOCH_DELAY\n"); ret = dwc3_ep0_set_isoch_delay(dwc, ctrl); break; + case USB_REQ_SET_INTERFACE: + dev_vdbg(dwc->dev, "USB_REQ_SET_INTERFACE\n"); + dwc->start_config_issued = false; + /* Fall through */ default: dev_vdbg(dwc->dev, "Forwarding to gadget driver\n"); ret = dwc3_ep0_delegate_req(dwc, ctrl); diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index e99a6986cab6..b0c61766351c 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -299,6 +299,8 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, int cmd, u32 param) if (!(reg & DWC3_DGCMD_CMDACT)) { dev_vdbg(dwc->dev, "Command Complete --> %d\n", DWC3_DGCMD_STATUS(reg)); + if (DWC3_DGCMD_STATUS(reg)) + return -EINVAL; return 0; } @@ -335,6 +337,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, if (!(reg & DWC3_DEPCMD_CMDACT)) { dev_vdbg(dwc->dev, "Command Complete --> %d\n", DWC3_DEPCMD_STATUS(reg)); + if (DWC3_DEPCMD_STATUS(reg)) + return -EINVAL; return 0; } diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index b9e16abb0fab..5c957658a04a 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -480,10 +480,13 @@ static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci, u32 pls = status_reg & PORT_PLS_MASK; /* resume state is a xHCI internal state. - * Do not report it to usb core. + * Do not report it to usb core, instead, pretend to be U3, + * thus usb core knows it's not ready for transfer */ - if (pls == XDEV_RESUME) + if (pls == XDEV_RESUME) { + *status |= USB_SS_PORT_LS_U3; return; + } /* When the CAS bit is set then warm reset * should be performed on port @@ -584,7 +587,14 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, status |= USB_PORT_STAT_C_RESET << 16; /* USB3.0 only */ if (hcd->speed == HCD_USB3) { - if ((raw_port_status & PORT_PLC)) + /* Port link change with port in resume state should not be + * reported to usbcore, as this is an internal state to be + * handled by xhci driver. Reporting PLC to usbcore may + * cause usbcore clearing PLC first and port change event + * irq won't be generated. + */ + if ((raw_port_status & PORT_PLC) && + (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) status |= USB_PORT_STAT_C_LINK_STATE << 16; if ((raw_port_status & PORT_WRC)) status |= USB_PORT_STAT_C_BH_RESET << 16; @@ -1114,10 +1124,10 @@ int xhci_bus_suspend(struct usb_hcd *hcd) spin_lock_irqsave(&xhci->lock, flags); if (hcd->self.root_hub->do_remote_wakeup) { - if (bus_state->resuming_ports) { + if (bus_state->resuming_ports || /* USB2 */ + bus_state->port_remote_wakeup) { /* USB3 */ spin_unlock_irqrestore(&xhci->lock, flags); - xhci_dbg(xhci, "suspend failed because " - "a port is resuming\n"); + xhci_dbg(xhci, "suspend failed because a port is resuming\n"); return -EBUSY; } } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 9bce4f0e99be..f8893b32bbb6 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1331,10 +1331,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, /* Attempt to use the ring cache */ if (virt_dev->num_rings_cached == 0) return -ENOMEM; + virt_dev->num_rings_cached--; virt_dev->eps[ep_index].new_ring = virt_dev->ring_cache[virt_dev->num_rings_cached]; virt_dev->ring_cache[virt_dev->num_rings_cached] = NULL; - virt_dev->num_rings_cached--; xhci_reinit_cached_ring(xhci, virt_dev->eps[ep_index].new_ring, 1, type); } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index f615712e8251..bcc43a21fd12 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1740,6 +1740,9 @@ static void handle_port_status(struct xhci_hcd *xhci, usb_hcd_resume_root_hub(hcd); } + if (hcd->speed == HCD_USB3 && (temp & PORT_PLS_MASK) == XDEV_INACTIVE) + bus_state->port_remote_wakeup &= ~(1 << faked_port_index); + if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_RESUME) { xhci_dbg(xhci, "port resume event for port %d\n", port_id); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 16f4f8dc1ae9..fc61e663b00a 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3424,6 +3424,9 @@ int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev) return -EINVAL; } + if (virt_dev->tt_info) + old_active_eps = virt_dev->tt_info->active_eps; + if (virt_dev->udev != udev) { /* If the virt_dev and the udev does not match, this virt_dev * may belong to another udev. diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 70facb725105..c167485e0653 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -285,6 +285,7 @@ struct xhci_op_regs { #define XDEV_U0 (0x0 << 5) #define XDEV_U2 (0x2 << 5) #define XDEV_U3 (0x3 << 5) +#define XDEV_INACTIVE (0x6 << 5) #define XDEV_RESUME (0xf << 5) /* true: port has power (see HCC_PPC) */ #define PORT_POWER (1 << 9) diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index 0241a3a0d63e..1e9bde4fe785 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -273,9 +273,7 @@ static int musb_has_gadget(struct musb *musb) #ifdef CONFIG_USB_MUSB_HOST return 1; #else - if (musb->port_mode == MUSB_PORT_MODE_HOST) - return 1; - return musb->g.dev.driver != NULL; + return musb->port_mode == MUSB_PORT_MODE_HOST; #endif } diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 02de4cf48a5b..d11335d4395d 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -128,6 +128,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */ { USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */ { USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */ + { USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */ { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */ @@ -186,6 +187,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */ { USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */ { USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */ + { USB_DEVICE(0x2626, 0xEA60) }, /* Aruba Networks 7xxx USB Serial Console */ { USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */ { USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */ { USB_DEVICE(0x3195, 0xF281) }, /* Link Instruments MSO-28 */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 2d858f81ab33..bc77ea7cde48 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -712,6 +712,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) }, { USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) }, { USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) }, { USB_DEVICE(XSENS_VID, XSENS_MTW_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) }, { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 4e4f46f3c89c..792e054126de 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -155,6 +155,7 @@ #define XSENS_AWINDA_STATION_PID 0x0101 #define XSENS_AWINDA_DONGLE_PID 0x0102 #define XSENS_MTW_PID 0x0200 /* Xsens MTw */ +#define XSENS_MTDEVBOARD_PID 0x0300 /* Motion Tracker Development Board */ #define XSENS_CONVERTER_PID 0xD00D /* Xsens USB-serial converter */ /* Xsens devices using FTDI VID */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 8b3484134ab0..096438e4fb0c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1755,6 +1755,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, { } /* Terminating entry */ diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 9a08e18e09b9..3d66e9c5a95d 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1300,6 +1300,7 @@ static void __exit usb_serial_exit(void) tty_unregister_driver(usb_serial_tty_driver); put_tty_driver(usb_serial_tty_driver); bus_unregister(&usb_serial_bus_type); + idr_destroy(&serial_minors); } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 821e1e2f70f6..da380a99c6b8 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2032,6 +2032,18 @@ UNUSUAL_DEV( 0x1908, 0x3335, 0x0200, 0x0200, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_READ_DISC_INFO ), +/* Reported by Oliver Neukum <oneukum@suse.com> + * This device morphes spontaneously into another device if the access + * pattern of Windows isn't followed. Thus writable media would be dirty + * if the initial instance is used. So the device is limited to its + * virtual CD. + * And yes, the concept that BCD goes up to 9 is not heeded */ +UNUSUAL_DEV( 0x19d2, 0x1225, 0x0000, 0xffff, + "ZTE,Incorporated", + "ZTE WCDMA Technologies MSM", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_SINGLE_LUN ), + /* Reported by Sven Geggus <sven-usbst@geggus.net> * This encrypted pen drive returns bogus data for the initial READ(10). */ diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 78987e481bc6..85095d7aa51c 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -876,6 +876,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp) } if (eventfp != d->log_file) { filep = d->log_file; + d->log_file = eventfp; ctx = d->log_ctx; d->log_ctx = eventfp ? eventfd_ctx_fileget(eventfp) : NULL; diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 09cf0135e8ac..90a6406111f5 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -134,6 +134,13 @@ static int omap_wdt_start(struct watchdog_device *wdog) pm_runtime_get_sync(wdev->dev); + /* + * Make sure the watchdog is disabled. This is unfortunately required + * because writing to various registers with the watchdog running has no + * effect. + */ + omap_wdt_disable(wdev); + /* initialize prescaler */ while (readl_relaxed(base + OMAP_WATCHDOG_WPS) & 0x01) cpu_relax(); |