diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/Makefile | 3 | ||||
| -rw-r--r-- | drivers/acpi/acpi_lpss.c | 26 | ||||
| -rw-r--r-- | drivers/acpi/apei/cper.c | 18 | ||||
| -rw-r--r-- | drivers/acpi/apei/ghes.c | 11 | ||||
| -rw-r--r-- | drivers/acpi/csrt.c | 159 | ||||
| -rw-r--r-- | drivers/acpi/device_pm.c | 136 | ||||
| -rw-r--r-- | drivers/acpi/internal.h | 1 | ||||
| -rw-r--r-- | drivers/acpi/scan.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/video.c | 19 | ||||
| -rw-r--r-- | drivers/acpi/video_detect.c | 8 |
10 files changed, 128 insertions, 259 deletions
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index ecb743bf05a5..536562c626a2 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -24,7 +24,7 @@ acpi-y += nvs.o # Power management related files acpi-y += wakeup.o acpi-y += sleep.o -acpi-$(CONFIG_PM) += device_pm.o +acpi-y += device_pm.o acpi-$(CONFIG_ACPI_SLEEP) += proc.o @@ -38,7 +38,6 @@ acpi-y += processor_core.o acpi-y += ec.o acpi-$(CONFIG_ACPI_DOCK) += dock.o acpi-y += pci_root.o pci_link.o pci_irq.o -acpi-y += csrt.o acpi-$(CONFIG_X86_INTEL_LPSS) += acpi_lpss.o acpi-y += acpi_platform.o acpi-y += power.o diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index b1c95422ce74..652fd5ce303c 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -35,11 +35,16 @@ ACPI_MODULE_NAME("acpi_lpss"); struct lpss_device_desc { bool clk_required; - const char *clk_parent; + const char *clkdev_name; bool ltr_required; unsigned int prv_offset; }; +static struct lpss_device_desc lpss_dma_desc = { + .clk_required = true, + .clkdev_name = "hclk", +}; + struct lpss_private_data { void __iomem *mmio_base; resource_size_t mmio_size; @@ -49,7 +54,6 @@ struct lpss_private_data { static struct lpss_device_desc lpt_dev_desc = { .clk_required = true, - .clk_parent = "lpss_clk", .prv_offset = 0x800, .ltr_required = true, }; @@ -60,6 +64,9 @@ static struct lpss_device_desc lpt_sdio_dev_desc = { }; static const struct acpi_device_id acpi_lpss_device_ids[] = { + /* Generic LPSS devices */ + { "INTL9C60", (unsigned long)&lpss_dma_desc }, + /* Lynxpoint LPSS devices */ { "INT33C0", (unsigned long)&lpt_dev_desc }, { "INT33C1", (unsigned long)&lpt_dev_desc }, @@ -91,16 +98,27 @@ static int register_device_clock(struct acpi_device *adev, struct lpss_private_data *pdata) { const struct lpss_device_desc *dev_desc = pdata->dev_desc; + struct lpss_clk_data *clk_data; if (!lpss_clk_dev) lpt_register_clock_device(); - if (!dev_desc->clk_parent || !pdata->mmio_base + clk_data = platform_get_drvdata(lpss_clk_dev); + if (!clk_data) + return -ENODEV; + + if (dev_desc->clkdev_name) { + clk_register_clkdev(clk_data->clk, dev_desc->clkdev_name, + dev_name(&adev->dev)); + return 0; + } + + if (!pdata->mmio_base || pdata->mmio_size < dev_desc->prv_offset + LPSS_CLK_SIZE) return -ENODATA; pdata->clk = clk_register_gate(NULL, dev_name(&adev->dev), - dev_desc->clk_parent, 0, + clk_data->name, 0, pdata->mmio_base + dev_desc->prv_offset, 0, 0, NULL); if (IS_ERR(pdata->clk)) diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c index fefc2ca7cc3e..33dc6a004802 100644 --- a/drivers/acpi/apei/cper.c +++ b/drivers/acpi/apei/cper.c @@ -250,10 +250,6 @@ static const char *cper_pcie_port_type_strs[] = { static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie, const struct acpi_hest_generic_data *gdata) { -#ifdef CONFIG_ACPI_APEI_PCIEAER - struct pci_dev *dev; -#endif - if (pcie->validation_bits & CPER_PCIE_VALID_PORT_TYPE) printk("%s""port_type: %d, %s\n", pfx, pcie->port_type, pcie->port_type < ARRAY_SIZE(cper_pcie_port_type_strs) ? @@ -285,20 +281,6 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie, printk( "%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n", pfx, pcie->bridge.secondary_status, pcie->bridge.control); -#ifdef CONFIG_ACPI_APEI_PCIEAER - dev = pci_get_domain_bus_and_slot(pcie->device_id.segment, - pcie->device_id.bus, pcie->device_id.function); - if (!dev) { - pr_err("PCI AER Cannot get PCI device %04x:%02x:%02x.%d\n", - pcie->device_id.segment, pcie->device_id.bus, - pcie->device_id.slot, pcie->device_id.function); - return; - } - if (pcie->validation_bits & CPER_PCIE_VALID_AER_INFO) - cper_print_aer(pfx, dev, gdata->error_severity, - (struct aer_capability_regs *) pcie->aer_info); - pci_dev_put(dev); -#endif } static const char *apei_estatus_section_flag_strs[] = { diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index d668a8ae602b..fcd7d91cec34 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -454,7 +454,9 @@ static void ghes_do_proc(struct ghes *ghes, aer_severity = cper_severity_to_aer(sev); aer_recover_queue(pcie_err->device_id.segment, pcie_err->device_id.bus, - devfn, aer_severity); + devfn, aer_severity, + (struct aer_capability_regs *) + pcie_err->aer_info); } } @@ -917,13 +919,14 @@ static int ghes_probe(struct platform_device *ghes_dev) break; case ACPI_HEST_NOTIFY_EXTERNAL: /* External interrupt vector is GSI */ - if (acpi_gsi_to_irq(generic->notify.vector, &ghes->irq)) { + rc = acpi_gsi_to_irq(generic->notify.vector, &ghes->irq); + if (rc) { pr_err(GHES_PFX "Failed to map GSI to IRQ for generic hardware error source: %d\n", generic->header.source_id); goto err_edac_unreg; } - if (request_irq(ghes->irq, ghes_irq_func, - 0, "GHES IRQ", ghes)) { + rc = request_irq(ghes->irq, ghes_irq_func, 0, "GHES IRQ", ghes); + if (rc) { pr_err(GHES_PFX "Failed to register IRQ for generic hardware error source: %d\n", generic->header.source_id); goto err_edac_unreg; diff --git a/drivers/acpi/csrt.c b/drivers/acpi/csrt.c deleted file mode 100644 index 5c15a91faf0b..000000000000 --- a/drivers/acpi/csrt.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Support for Core System Resources Table (CSRT) - * - * Copyright (C) 2013, Intel Corporation - * Authors: Mika Westerberg <mika.westerberg@linux.intel.com> - * Andy Shevchenko <andriy.shevchenko@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#define pr_fmt(fmt) "ACPI: CSRT: " fmt - -#include <linux/acpi.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/sizes.h> - -ACPI_MODULE_NAME("CSRT"); - -static int __init acpi_csrt_parse_shared_info(struct platform_device *pdev, - const struct acpi_csrt_group *grp) -{ - const struct acpi_csrt_shared_info *si; - struct resource res[3]; - size_t nres; - int ret; - - memset(res, 0, sizeof(res)); - nres = 0; - - si = (const struct acpi_csrt_shared_info *)&grp[1]; - /* - * The peripherals that are listed on CSRT typically support only - * 32-bit addresses so we only use the low part of MMIO base for - * now. - */ - if (!si->mmio_base_high && si->mmio_base_low) { - /* - * There is no size of the memory resource in shared_info - * so we assume that it is 4k here. - */ - res[nres].start = si->mmio_base_low; - res[nres].end = res[0].start + SZ_4K - 1; - res[nres++].flags = IORESOURCE_MEM; - } - - if (si->gsi_interrupt) { - int irq = acpi_register_gsi(NULL, si->gsi_interrupt, - si->interrupt_mode, - si->interrupt_polarity); - res[nres].start = irq; - res[nres].end = irq; - res[nres++].flags = IORESOURCE_IRQ; - } - - if (si->base_request_line || si->num_handshake_signals) { - /* - * We pass the driver a DMA resource describing the range - * of request lines the device supports. - */ - res[nres].start = si->base_request_line; - res[nres].end = res[nres].start + si->num_handshake_signals - 1; - res[nres++].flags = IORESOURCE_DMA; - } - - ret = platform_device_add_resources(pdev, res, nres); - if (ret) { - if (si->gsi_interrupt) - acpi_unregister_gsi(si->gsi_interrupt); - return ret; - } - - return 0; -} - -static int __init -acpi_csrt_parse_resource_group(const struct acpi_csrt_group *grp) -{ - struct platform_device *pdev; - char vendor[5], name[16]; - int ret, i; - - vendor[0] = grp->vendor_id; - vendor[1] = grp->vendor_id >> 8; - vendor[2] = grp->vendor_id >> 16; - vendor[3] = grp->vendor_id >> 24; - vendor[4] = '\0'; - - if (grp->shared_info_length != sizeof(struct acpi_csrt_shared_info)) - return -ENODEV; - - snprintf(name, sizeof(name), "%s%04X", vendor, grp->device_id); - pdev = platform_device_alloc(name, PLATFORM_DEVID_AUTO); - if (!pdev) - return -ENOMEM; - - /* Add resources based on the shared info */ - ret = acpi_csrt_parse_shared_info(pdev, grp); - if (ret) - goto fail; - - ret = platform_device_add(pdev); - if (ret) - goto fail; - - for (i = 0; i < pdev->num_resources; i++) - dev_dbg(&pdev->dev, "%pR\n", &pdev->resource[i]); - - return 0; - -fail: - platform_device_put(pdev); - return ret; -} - -/* - * CSRT or Core System Resources Table is a proprietary ACPI table - * introduced by Microsoft. This table can contain devices that are not in - * the system DSDT table. In particular DMA controllers might be described - * here. - * - * We present these devices as normal platform devices that don't have ACPI - * IDs or handle. The platform device name will be something like - * <VENDOR><DEVID>.<n>.auto for example: INTL9C06.0.auto. - */ -void __init acpi_csrt_init(void) -{ - struct acpi_csrt_group *grp, *end; - struct acpi_table_csrt *csrt; - acpi_status status; - int ret; - - status = acpi_get_table(ACPI_SIG_CSRT, 0, - (struct acpi_table_header **)&csrt); - if (ACPI_FAILURE(status)) { - if (status != AE_NOT_FOUND) - pr_warn("failed to get the CSRT table\n"); - return; - } - - pr_debug("parsing CSRT table for devices\n"); - - grp = (struct acpi_csrt_group *)(csrt + 1); - end = (struct acpi_csrt_group *)((void *)csrt + csrt->header.length); - - while (grp < end) { - ret = acpi_csrt_parse_resource_group(grp); - if (ret) { - pr_warn("error in parsing resource group: %d\n", ret); - return; - } - - grp = (struct acpi_csrt_group *)((void *)grp + grp->length); - } -} diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 96de787e6104..318fa32a141e 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -37,68 +37,6 @@ #define _COMPONENT ACPI_POWER_COMPONENT ACPI_MODULE_NAME("device_pm"); -static DEFINE_MUTEX(acpi_pm_notifier_lock); - -/** - * acpi_add_pm_notifier - Register PM notifier for given ACPI device. - * @adev: ACPI device to add the notifier for. - * @context: Context information to pass to the notifier routine. - * - * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of - * PM wakeup events. For example, wakeup events may be generated for bridges - * if one of the devices below the bridge is signaling wakeup, even if the - * bridge itself doesn't have a wakeup GPE associated with it. - */ -acpi_status acpi_add_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler, void *context) -{ - acpi_status status = AE_ALREADY_EXISTS; - - mutex_lock(&acpi_pm_notifier_lock); - - if (adev->wakeup.flags.notifier_present) - goto out; - - status = acpi_install_notify_handler(adev->handle, - ACPI_SYSTEM_NOTIFY, - handler, context); - if (ACPI_FAILURE(status)) - goto out; - - adev->wakeup.flags.notifier_present = true; - - out: - mutex_unlock(&acpi_pm_notifier_lock); - return status; -} - -/** - * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device. - * @adev: ACPI device to remove the notifier from. - */ -acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler) -{ - acpi_status status = AE_BAD_PARAMETER; - - mutex_lock(&acpi_pm_notifier_lock); - - if (!adev->wakeup.flags.notifier_present) - goto out; - - status = acpi_remove_notify_handler(adev->handle, - ACPI_SYSTEM_NOTIFY, - handler); - if (ACPI_FAILURE(status)) - goto out; - - adev->wakeup.flags.notifier_present = false; - - out: - mutex_unlock(&acpi_pm_notifier_lock); - return status; -} - /** * acpi_power_state_string - String representation of ACPI device power state. * @state: ACPI device power state to return the string representation of. @@ -340,11 +278,13 @@ int acpi_bus_init_power(struct acpi_device *device) if (result) return result; } else if (state == ACPI_STATE_UNKNOWN) { - /* No power resources and missing _PSC? Try to force D0. */ + /* + * No power resources and missing _PSC? Cross fingers and make + * it D0 in hope that this is what the BIOS put the device into. + * [We tried to force D0 here by executing _PS0, but that broke + * Toshiba P870-303 in a nasty way.] + */ state = ACPI_STATE_D0; - result = acpi_dev_pm_explicit_set(device, state); - if (result) - return result; } device->power.state = state; return 0; @@ -385,6 +325,69 @@ bool acpi_bus_power_manageable(acpi_handle handle) } EXPORT_SYMBOL(acpi_bus_power_manageable); +#ifdef CONFIG_PM +static DEFINE_MUTEX(acpi_pm_notifier_lock); + +/** + * acpi_add_pm_notifier - Register PM notifier for given ACPI device. + * @adev: ACPI device to add the notifier for. + * @context: Context information to pass to the notifier routine. + * + * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of + * PM wakeup events. For example, wakeup events may be generated for bridges + * if one of the devices below the bridge is signaling wakeup, even if the + * bridge itself doesn't have a wakeup GPE associated with it. + */ +acpi_status acpi_add_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler, void *context) +{ + acpi_status status = AE_ALREADY_EXISTS; + + mutex_lock(&acpi_pm_notifier_lock); + + if (adev->wakeup.flags.notifier_present) + goto out; + + status = acpi_install_notify_handler(adev->handle, + ACPI_SYSTEM_NOTIFY, + handler, context); + if (ACPI_FAILURE(status)) + goto out; + + adev->wakeup.flags.notifier_present = true; + + out: + mutex_unlock(&acpi_pm_notifier_lock); + return status; +} + +/** + * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device. + * @adev: ACPI device to remove the notifier from. + */ +acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler) +{ + acpi_status status = AE_BAD_PARAMETER; + + mutex_lock(&acpi_pm_notifier_lock); + + if (!adev->wakeup.flags.notifier_present) + goto out; + + status = acpi_remove_notify_handler(adev->handle, + ACPI_SYSTEM_NOTIFY, + handler); + if (ACPI_FAILURE(status)) + goto out; + + adev->wakeup.flags.notifier_present = false; + + out: + mutex_unlock(&acpi_pm_notifier_lock); + return status; +} + bool acpi_bus_can_wakeup(acpi_handle handle) { struct acpi_device *device; @@ -1023,3 +1026,4 @@ void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev) mutex_unlock(&adev->physical_node_lock); } EXPORT_SYMBOL_GPL(acpi_dev_pm_remove_dependent); +#endif /* CONFIG_PM */ diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 6f1afd9118c8..297cbf456f86 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -35,7 +35,6 @@ void acpi_pci_link_init(void); void acpi_pci_root_hp_init(void); void acpi_platform_init(void); int acpi_sysfs_init(void); -void acpi_csrt_init(void); #ifdef CONFIG_ACPI_CONTAINER void acpi_container_init(void); #else diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index c1bc608339a6..b14ac46948c9 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1017,11 +1017,8 @@ acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver) return -ENOSYS; result = driver->ops.add(device); - if (result) { - device->driver = NULL; - device->driver_data = NULL; + if (result) return result; - } device->driver = driver; @@ -2043,7 +2040,6 @@ int __init acpi_scan_init(void) acpi_pci_link_init(); acpi_platform_init(); acpi_lpss_init(); - acpi_csrt_init(); acpi_container_init(); acpi_memory_hotplug_init(); diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 5b32e15a65ce..440eadf2d32c 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -458,12 +458,28 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, { .callback = video_ignore_initial_backlight, + .ident = "HP Pavilion g6 Notebook PC", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"), + }, + }, + { + .callback = video_ignore_initial_backlight, .ident = "HP 1000 Notebook PC", .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"), }, }, + { + .callback = video_ignore_initial_backlight, + .ident = "HP Pavilion m4", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion m4 Notebook PC"), + }, + }, {} }; @@ -1706,6 +1722,9 @@ static int acpi_video_bus_add(struct acpi_device *device) int error; acpi_status status; + if (device->handler) + return -EINVAL; + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, device->parent->handle, 1, acpi_video_bus_match, NULL, diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 66f67626f02e..e6bd910bc6ed 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -161,6 +161,14 @@ static struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"), }, }, + { + .callback = video_detect_force_vendor, + .ident = "Asus UL30A", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), + }, + }, { }, }; |