diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-02-15 13:58:30 +0100 |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-02-15 13:58:30 +0100 |
commit | e8f71df723339b6d3861886f58c245812d1994f8 (patch) | |
tree | 77264d37afeff152816afa1fea7b960dc8cbbd1e /drivers/acpi | |
parent | b34bf8e3cd5039ccba7f478601188427b1a8cd0b (diff) | |
parent | 3757b94802fb65d8f696597a74053cf21738da0b (diff) |
Merge branch 'acpi-cleanup'
* acpi-cleanup: (21 commits)
ACPI / hotplug: Fix concurrency issues and memory leaks
ACPI: Remove the use of CONFIG_ACPI_CONTAINER_MODULE
ACPI / scan: Full transition to D3cold in acpi_device_unregister()
ACPI / scan: Make acpi_bus_hot_remove_device() acquire the scan lock
ACPI: Drop the container.h header file
ACPI / Documentation: refer to correct file for acpi_platform_device_ids[] table
ACPI / scan: Make container driver use struct acpi_scan_handler
ACPI / scan: Remove useless #ifndef from acpi_eject_store()
ACPI: Unbind ACPI drv when probe failed
ACPI: sysfs eject support for ACPI scan handlers
ACPI / scan: Follow priorities of IDs when matching scan handlers
ACPI / PCI: pci_slot: replace printk(KERN_xxx) with pr_xxx()
ACPI / dock: Fix acpi_bus_get_device() check in drivers/acpi/dock.c
ACPI / scan: Clean up acpi_bus_get_parent()
ACPI / platform: Use struct acpi_scan_handler for creating devices
ACPI / PCI: Make PCI IRQ link driver use struct acpi_scan_handler
ACPI / PCI: Make PCI root driver use struct acpi_scan_handler
ACPI / scan: Introduce struct acpi_scan_handler
ACPI / scan: Make scanning of fixed devices follow the general scheme
ACPI: Drop device start operation that is not used
...
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/Kconfig | 2 | ||||
-rw-r--r-- | drivers/acpi/ac.c | 4 | ||||
-rw-r--r-- | drivers/acpi/acpi_memhotplug.c | 60 | ||||
-rw-r--r-- | drivers/acpi/acpi_pad.c | 3 | ||||
-rw-r--r-- | drivers/acpi/acpi_platform.c | 59 | ||||
-rw-r--r-- | drivers/acpi/battery.c | 2 | ||||
-rw-r--r-- | drivers/acpi/button.c | 4 | ||||
-rw-r--r-- | drivers/acpi/container.c | 180 | ||||
-rw-r--r-- | drivers/acpi/dock.c | 21 | ||||
-rw-r--r-- | drivers/acpi/ec.c | 2 | ||||
-rw-r--r-- | drivers/acpi/fan.c | 4 | ||||
-rw-r--r-- | drivers/acpi/hed.c | 2 | ||||
-rw-r--r-- | drivers/acpi/internal.h | 15 | ||||
-rw-r--r-- | drivers/acpi/pci_link.c | 47 | ||||
-rw-r--r-- | drivers/acpi/pci_root.c | 38 | ||||
-rw-r--r-- | drivers/acpi/pci_slot.c | 7 | ||||
-rw-r--r-- | drivers/acpi/processor_driver.c | 30 | ||||
-rw-r--r-- | drivers/acpi/sbs.c | 6 | ||||
-rw-r--r-- | drivers/acpi/sbshc.c | 4 | ||||
-rw-r--r-- | drivers/acpi/scan.c | 257 | ||||
-rw-r--r-- | drivers/acpi/thermal.c | 4 | ||||
-rw-r--r-- | drivers/acpi/video.c | 4 |
22 files changed, 390 insertions, 365 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 38c5078da11d..78105b3a5262 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -337,7 +337,7 @@ config X86_PM_TIMER systems require this timer. config ACPI_CONTAINER - tristate "Container and Module Devices (EXPERIMENTAL)" + bool "Container and Module Devices (EXPERIMENTAL)" depends on EXPERIMENTAL default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO) help diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index d5fdd36190cc..6d5bf649196d 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -60,7 +60,7 @@ static int acpi_ac_open_fs(struct inode *inode, struct file *file); #endif static int acpi_ac_add(struct acpi_device *device); -static int acpi_ac_remove(struct acpi_device *device, int type); +static int acpi_ac_remove(struct acpi_device *device); static void acpi_ac_notify(struct acpi_device *device, u32 event); static const struct acpi_device_id ac_device_ids[] = { @@ -337,7 +337,7 @@ static int acpi_ac_resume(struct device *dev) } #endif -static int acpi_ac_remove(struct acpi_device *device, int type) +static int acpi_ac_remove(struct acpi_device *device) { struct acpi_ac *ac = NULL; diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 03d18f290118..034d3e72aa92 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -54,7 +54,7 @@ MODULE_LICENSE("GPL"); #define MEMORY_POWER_OFF_STATE 2 static int acpi_memory_device_add(struct acpi_device *device); -static int acpi_memory_device_remove(struct acpi_device *device, int type); +static int acpi_memory_device_remove(struct acpi_device *device); static const struct acpi_device_id memory_device_ids[] = { {ACPI_MEMORY_DEVICE_HID, 0}, @@ -153,14 +153,16 @@ acpi_memory_get_device_resources(struct acpi_memory_device *mem_device) return 0; } -static int -acpi_memory_get_device(acpi_handle handle, - struct acpi_memory_device **mem_device) +static int acpi_memory_get_device(acpi_handle handle, + struct acpi_memory_device **mem_device) { struct acpi_device *device = NULL; - int result; + int result = 0; - if (!acpi_bus_get_device(handle, &device) && device) + acpi_scan_lock_acquire(); + + acpi_bus_get_device(handle, &device); + if (device) goto end; /* @@ -169,23 +171,28 @@ acpi_memory_get_device(acpi_handle handle, */ result = acpi_bus_scan(handle); if (result) { - acpi_handle_warn(handle, "Cannot add acpi bus\n"); - return -EINVAL; + acpi_handle_warn(handle, "ACPI namespace scan failed\n"); + result = -EINVAL; + goto out; } result = acpi_bus_get_device(handle, &device); if (result) { acpi_handle_warn(handle, "Missing device object\n"); - return -EINVAL; + result = -EINVAL; + goto out; } - end: + end: *mem_device = acpi_driver_data(device); if (!(*mem_device)) { dev_err(&device->dev, "driver data not found\n"); - return -ENODEV; + result = -ENODEV; + goto out; } - return 0; + out: + acpi_scan_lock_release(); + return result; } static int acpi_memory_check_device(struct acpi_memory_device *mem_device) @@ -305,6 +312,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) struct acpi_device *device; struct acpi_eject_event *ej_event = NULL; u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */ + acpi_status status; switch (event) { case ACPI_NOTIFY_BUS_CHECK: @@ -327,29 +335,40 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "\nReceived EJECT REQUEST notification for device\n")); + status = AE_ERROR; + acpi_scan_lock_acquire(); + if (acpi_bus_get_device(handle, &device)) { acpi_handle_err(handle, "Device doesn't exist\n"); - break; + goto unlock; } mem_device = acpi_driver_data(device); if (!mem_device) { acpi_handle_err(handle, "Driver Data is NULL\n"); - break; + goto unlock; } ej_event = kmalloc(sizeof(*ej_event), GFP_KERNEL); if (!ej_event) { pr_err(PREFIX "No memory, dropping EJECT\n"); - break; + goto unlock; } + get_device(&device->dev); ej_event->device = device; ej_event->event = ACPI_NOTIFY_EJECT_REQUEST; - acpi_os_hotplug_execute(acpi_bus_hot_remove_device, - (void *)ej_event); + /* The eject is carried out asynchronously. */ + status = acpi_os_hotplug_execute(acpi_bus_hot_remove_device, + ej_event); + if (ACPI_FAILURE(status)) { + put_device(&device->dev); + kfree(ej_event); + } - /* eject is performed asynchronously */ - return; + unlock: + acpi_scan_lock_release(); + if (ACPI_SUCCESS(status)) + return; default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Unsupported event [0x%x]\n", event)); @@ -360,7 +379,6 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) /* Inform firmware that the hotplug operation has completed */ (void) acpi_evaluate_hotplug_ost(handle, event, ost_code, NULL); - return; } static void acpi_memory_device_free(struct acpi_memory_device *mem_device) @@ -415,7 +433,7 @@ static int acpi_memory_device_add(struct acpi_device *device) return result; } -static int acpi_memory_device_remove(struct acpi_device *device, int type) +static int acpi_memory_device_remove(struct acpi_device *device) { struct acpi_memory_device *mem_device = NULL; int result; diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index 16fa979f7180..31de1043eea0 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -482,8 +482,7 @@ static int acpi_pad_add(struct acpi_device *device) return 0; } -static int acpi_pad_remove(struct acpi_device *device, - int type) +static int acpi_pad_remove(struct acpi_device *device) { mutex_lock(&isolated_cpus_lock); acpi_pad_idle_cpus(0); diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index 2d1fb4c21605..26fce4b8a632 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -22,6 +22,30 @@ ACPI_MODULE_NAME("platform"); +/* Flags for acpi_create_platform_device */ +#define ACPI_PLATFORM_CLK BIT(0) + +/* + * The following ACPI IDs are known to be suitable for representing as + * platform devices. + */ +static const struct acpi_device_id acpi_platform_device_ids[] = { + + { "PNP0D40" }, + + /* Haswell LPSS devices */ + { "INT33C0", ACPI_PLATFORM_CLK }, + { "INT33C1", ACPI_PLATFORM_CLK }, + { "INT33C2", ACPI_PLATFORM_CLK }, + { "INT33C3", ACPI_PLATFORM_CLK }, + { "INT33C4", ACPI_PLATFORM_CLK }, + { "INT33C5", ACPI_PLATFORM_CLK }, + { "INT33C6", ACPI_PLATFORM_CLK }, + { "INT33C7", ACPI_PLATFORM_CLK }, + + { } +}; + static int acpi_create_platform_clks(struct acpi_device *adev) { static struct platform_device *pdev; @@ -39,8 +63,7 @@ static int acpi_create_platform_clks(struct acpi_device *adev) /** * acpi_create_platform_device - Create platform device for ACPI device node * @adev: ACPI device node to create a platform device for. - * @flags: ACPI_PLATFORM_* flags that affect the creation of the platform - * devices. + * @id: ACPI device ID used to match @adev. * * Check if the given @adev can be represented as a platform device and, if * that's the case, create and register a platform device, populate its common @@ -48,9 +71,10 @@ static int acpi_create_platform_clks(struct acpi_device *adev) * * Name of the platform device will be the same as @adev's. */ -struct platform_device *acpi_create_platform_device(struct acpi_device *adev, - unsigned long flags) +static int acpi_create_platform_device(struct acpi_device *adev, + const struct acpi_device_id *id) { + unsigned long flags = id->driver_data; struct platform_device *pdev = NULL; struct acpi_device *acpi_parent; struct platform_device_info pdevinfo; @@ -59,25 +83,28 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev, struct resource *resources; int count; - if ((flags & ACPI_PLATFORM_CLK) && acpi_create_platform_clks(adev)) { - dev_err(&adev->dev, "failed to create clocks\n"); - return NULL; + if (flags & ACPI_PLATFORM_CLK) { + int ret = acpi_create_platform_clks(adev); + if (ret) { + dev_err(&adev->dev, "failed to create clocks\n"); + return ret; + } } /* If the ACPI node already has a physical device attached, skip it. */ if (adev->physical_node_count) - return NULL; + return 0; INIT_LIST_HEAD(&resource_list); count = acpi_dev_get_resources(adev, &resource_list, NULL, NULL); if (count <= 0) - return NULL; + return 0; resources = kmalloc(count * sizeof(struct resource), GFP_KERNEL); if (!resources) { dev_err(&adev->dev, "No memory for resources\n"); acpi_dev_free_resource_list(&resource_list); - return NULL; + return -ENOMEM; } count = 0; list_for_each_entry(rentry, &resource_list, node) @@ -123,5 +150,15 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev, } kfree(resources); - return pdev; + return 1; +} + +static struct acpi_scan_handler platform_handler = { + .ids = acpi_platform_device_ids, + .attach = acpi_create_platform_device, +}; + +void __init acpi_platform_init(void) +{ + acpi_scan_add_handler(&platform_handler); } diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 7efaeaa53b88..c5cd5b5513e6 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -1111,7 +1111,7 @@ fail: return result; } -static int acpi_battery_remove(struct acpi_device *device, int type) +static int acpi_battery_remove(struct acpi_device *device) { struct acpi_battery *battery = NULL; diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index f0d936b65e37..86c7d5445c38 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -75,7 +75,7 @@ static const struct acpi_device_id button_device_ids[] = { MODULE_DEVICE_TABLE(acpi, button_device_ids); static int acpi_button_add(struct acpi_device *device); -static int acpi_button_remove(struct acpi_device *device, int type); +static int acpi_button_remove(struct acpi_device *device); static void acpi_button_notify(struct acpi_device *device, u32 event); #ifdef CONFIG_PM_SLEEP @@ -433,7 +433,7 @@ static int acpi_button_add(struct acpi_device *device) return error; } -static int acpi_button_remove(struct acpi_device *device, int type) +static int acpi_button_remove(struct acpi_device *device) { struct acpi_button *button = acpi_driver_data(device); diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index cc79d3e53a39..5523ba7d764d 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -34,46 +34,34 @@ #include <linux/acpi.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#include <acpi/container.h> #define PREFIX "ACPI: " -#define ACPI_CONTAINER_DEVICE_NAME "ACPI container device" -#define ACPI_CONTAINER_CLASS "container" - -#define INSTALL_NOTIFY_HANDLER 1 -#define UNINSTALL_NOTIFY_HANDLER 2 - #define _COMPONENT ACPI_CONTAINER_COMPONENT ACPI_MODULE_NAME("container"); -MODULE_AUTHOR("Anil S Keshavamurthy"); -MODULE_DESCRIPTION("ACPI container driver"); -MODULE_LICENSE("GPL"); - -static int acpi_container_add(struct acpi_device *device); -static int acpi_container_remove(struct acpi_device *device, int type); - static const struct acpi_device_id container_device_ids[] = { {"ACPI0004", 0}, {"PNP0A05", 0}, {"PNP0A06", 0}, {"", 0}, }; -MODULE_DEVICE_TABLE(acpi, container_device_ids); -static struct acpi_driver acpi_container_driver = { - .name = "container", - .class = ACPI_CONTAINER_CLASS, +static int container_device_attach(struct acpi_device *device, + const struct acpi_device_id *not_used) +{ + /* + * FIXME: This is necessary, so that acpi_eject_store() doesn't return + * -ENODEV for containers. + */ + return 1; +} + +static struct acpi_scan_handler container_device_handler = { .ids = container_device_ids, - .ops = { - .add = acpi_container_add, - .remove = acpi_container_remove, - }, + .attach = container_device_attach, }; -/*******************************************************************/ - static int is_device_present(acpi_handle handle) { acpi_handle temp; @@ -92,49 +80,6 @@ static int is_device_present(acpi_handle handle) return ((sta & ACPI_STA_DEVICE_PRESENT) == ACPI_STA_DEVICE_PRESENT); } -static bool is_container_device(const char *hid) -{ - const struct acpi_device_id *container_id; - - for (container_id = container_device_ids; - container_id->id[0]; container_id++) { - if (!strcmp((char *)container_id->id, hid)) - return true; - } - - return false; -} - -/*******************************************************************/ -static int acpi_container_add(struct acpi_device *device) -{ - struct acpi_container *container; - - container = kzalloc(sizeof(struct acpi_container), GFP_KERNEL); - if (!container) - return -ENOMEM; - - container->handle = device->handle; - strcpy(acpi_device_name(device), ACPI_CONTAINER_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_CONTAINER_CLASS); - device->driver_data = container; - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device <%s> bid <%s>\n", - acpi_device_name(device), acpi_device_bid(device))); - - return 0; -} - -static int acpi_container_remove(struct acpi_device *device, int type) -{ - acpi_status status = AE_OK; - struct acpi_container *pc = NULL; - - pc = acpi_driver_data(device); - kfree(pc); - return status; -} - static void container_notify_cb(acpi_handle handle, u32 type, void *context) { struct acpi_device *device = NULL; @@ -143,6 +88,8 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) acpi_status status; u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */ + acpi_scan_lock_acquire(); + switch (type) { case ACPI_NOTIFY_BUS_CHECK: /* Fall through */ @@ -158,7 +105,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) /* device exist and this is a remove request */ device->flags.eject_pending = 1; kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE); - return; + goto out; } break; } @@ -185,98 +132,59 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) if (!acpi_bus_get_device(handle, &device) && device) { device->flags.eject_pending = 1; kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE); - return; + goto out; } break; default: /* non-hotplug event; possibly handled by other handler */ - return; + goto out; } /* Inform firmware that the hotplug operation has completed */ (void) acpi_evaluate_hotplug_ost(handle, type, ost_code, NULL); - return; + + out: + acpi_scan_lock_release(); } -static acpi_status -container_walk_namespace_cb(acpi_handle handle, - u32 lvl, void *context, void **rv) +static bool is_container(acpi_handle handle) { - char *hid = NULL; struct acpi_device_info *info; - acpi_status status; - int *action = context; + bool ret = false; - status = acpi_get_object_info(handle, &info); - if (ACPI_FAILURE(status)) { - return AE_OK; - } - - if (info->valid & ACPI_VALID_HID) - hid = info->hardware_id.string; - - if (hid == NULL) { - goto end; - } + if (ACPI_FAILURE(acpi_get_object_info(handle, &info))) + return false; - if (!is_container_device(hid)) - goto end; + if (info->valid & ACPI_VALID_HID) { + const struct acpi_device_id *id; - switch (*action) { - case INSTALL_NOTIFY_HANDLER: - acpi_install_notify_handler(handle, - ACPI_SYSTEM_NOTIFY, - container_notify_cb, NULL); - break; - case UNINSTALL_NOTIFY_HANDLER: - acpi_remove_notify_handler(handle, - ACPI_SYSTEM_NOTIFY, - container_notify_cb); - break; - default: - break; + for (id = container_device_ids; id->id[0]; id++) { + ret = !strcmp((char *)id->id, info->hardware_id.string); + if (ret) + break; + } } - - end: kfree(info); - - return AE_OK; + return ret; } -static int __init acpi_container_init(void) +static acpi_status acpi_container_register_notify_handler(acpi_handle handle, + u32 lvl, void *ctxt, + void **retv) { - int result = 0; - int action = INSTALL_NOTIFY_HANDLER; - - result = acpi_bus_register_driver(&acpi_container_driver); - if (result < 0) { - return (result); - } - - /* register notify handler to every container device */ - acpi_walk_namespace(ACPI_TYPE_DEVICE, - ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, - container_walk_namespace_cb, NULL, &action, NULL); + if (is_container(handle)) + acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY, + container_notify_cb, NULL); - return (0); + return AE_OK; } -static void __exit acpi_container_exit(void) +void __init acpi_container_init(void) { - int action = UNINSTALL_NOTIFY_HANDLER; - + acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, + acpi_container_register_notify_handler, NULL, + NULL, NULL); - acpi_walk_namespace(ACPI_TYPE_DEVICE, - ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, - container_walk_namespace_cb, NULL, &action, NULL); - - acpi_bus_unregister_driver(&acpi_container_driver); - - return; + acpi_scan_add_handler(&container_device_handler); } - -module_init(acpi_container_init); -module_exit(acpi_container_exit); diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 78648f811049..4fdea381ef21 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -744,7 +744,9 @@ static void acpi_dock_deferred_cb(void *context) { struct dock_data *data = context; + acpi_scan_lock_acquire(); dock_notify(data->handle, data->event, data->ds); + acpi_scan_lock_release(); kfree(data); } @@ -757,20 +759,31 @@ static int acpi_dock_notifier_call(struct notifier_block *this, if (event != ACPI_NOTIFY_BUS_CHECK && event != ACPI_NOTIFY_DEVICE_CHECK && event != ACPI_NOTIFY_EJECT_REQUEST) return 0; + + acpi_scan_lock_acquire(); + list_for_each_entry(dock_station, &dock_stations, sibling) { if (dock_station->handle == handle) { struct dock_data *dd; + acpi_status status; dd = kmalloc(sizeof(*dd), GFP_KERNEL); if (!dd) - return 0; + break; + dd->handle = handle; dd->event = event; dd->ds = dock_station; - acpi_os_hotplug_execute(acpi_dock_deferred_cb, dd); - return 0 ; + status = acpi_os_hotplug_execute(acpi_dock_deferred_cb, + dd); + if (ACPI_FAILURE(status)) + kfree(dd); + + break; } } + + acpi_scan_lock_release(); return 0; } @@ -825,7 +838,7 @@ static ssize_t show_docked(struct device *dev, struct dock_station *dock_station = dev->platform_data; - if (ACPI_SUCCESS(acpi_bus_get_device(dock_station->handle, &tmp))) + if (!acpi_bus_get_device(dock_station->handle, &tmp)) return snprintf(buf, PAGE_SIZE, "1\n"); return snprintf(buf, PAGE_SIZE, "0\n"); } diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 354007d490d1..d45b2871d33b 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -852,7 +852,7 @@ static int acpi_ec_add(struct acpi_device *device) return ret; } -static int acpi_ec_remove(struct acpi_device *device, int type) +static int acpi_ec_remove(struct acpi_device *device) { struct acpi_ec *ec; struct acpi_ec_query_handler *handler, *tmp; diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 3bd6a54702d6..f815da82c765 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -45,7 +45,7 @@ MODULE_DESCRIPTION("ACPI Fan Driver"); MODULE_LICENSE("GPL"); static int acpi_fan_add(struct acpi_device *device); -static int acpi_fan_remove(struct acpi_device *device, int type); +static int acpi_fan_remove(struct acpi_device *device); static const struct acpi_device_id fan_device_ids[] = { {"PNP0C0B", 0}, @@ -172,7 +172,7 @@ static int acpi_fan_add(struct acpi_device *device) return result; } -static int acpi_fan_remove(struct acpi_device *device, int type) +static int acpi_fan_remove(struct acpi_device *device) { struct thermal_cooling_device *cdev = acpi_driver_data(device); diff --git a/drivers/acpi/hed.c b/drivers/acpi/hed.c index a0cc796932f7..13b1d39d7cdf 100644 --- a/drivers/acpi/hed.c +++ b/drivers/acpi/hed.c @@ -70,7 +70,7 @@ static int acpi_hed_add(struct acpi_device *device) return 0; } -static int acpi_hed_remove(struct acpi_device *device, int type) +static int acpi_hed_remove(struct acpi_device *device) { hed_handle = NULL; return 0; diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index da233477d260..79092328cf06 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -25,8 +25,16 @@ int init_acpi_device_notify(void); int acpi_scan_init(void); +void acpi_pci_root_init(void); +void acpi_pci_link_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 +static inline void acpi_container_init(void) {} +#endif #ifdef CONFIG_DEBUG_FS extern struct dentry *acpi_debugfs_dir; @@ -86,7 +94,6 @@ struct acpi_ec { extern struct acpi_ec *first_ec; -int acpi_pci_root_init(void); int acpi_ec_init(void); int acpi_ec_ecdt_probe(void); int acpi_boot_ec_enable(void); @@ -118,10 +125,4 @@ static inline void suspend_nvs_restore(void) {} -------------------------------------------------------------------------- */ struct platform_device; -/* Flags for acpi_create_platform_device */ -#define ACPI_PLATFORM_CLK BIT(0) - -struct platform_device *acpi_create_platform_device(struct acpi_device *adev, - unsigned long flags); - #endif /* _ACPI_INTERNAL_H_ */ diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index a12808259dfb..ab764ed34a50 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -53,23 +53,19 @@ ACPI_MODULE_NAME("pci_link"); #define ACPI_PCI_LINK_FILE_STATUS "state" #define ACPI_PCI_LINK_MAX_POSSIBLE 16 -static int acpi_pci_link_add(struct acpi_device *device); -static int acpi_pci_link_remove(struct acpi_device *device, int type); +static int acpi_pci_link_add(struct acpi_device *device, + const struct acpi_device_id *not_used); +static void acpi_pci_link_remove(struct acpi_device *device); static const struct acpi_device_id link_device_ids[] = { {"PNP0C0F", 0}, {"", 0}, }; -MODULE_DEVICE_TABLE(acpi, link_device_ids); -static struct acpi_driver acpi_pci_link_driver = { - .name = "pci_link", - .class = ACPI_PCI_LINK_CLASS, +static struct acpi_scan_handler pci_link_handler = { .ids = link_device_ids, - .ops = { - .add = acpi_pci_link_add, - .remove = acpi_pci_link_remove, - }, + .attach = acpi_pci_link_add, + .detach = acpi_pci_link_remove, }; /* @@ -692,7 +688,8 @@ int acpi_pci_link_free_irq(acpi_handle handle) Driver Interface -------------------------------------------------------------------------- */ -static int acpi_pci_link_add(struct acpi_device *device) +static int acpi_pci_link_add(struct acpi_device *device, + const struct acpi_device_id *not_used) { int result; struct acpi_pci_link *link; @@ -746,7 +743,7 @@ static int acpi_pci_link_add(struct acpi_device *device) if (result) kfree(link); - return result; + return result < 0 ? result : 1; } static int acpi_pci_link_resume(struct acpi_pci_link *link) @@ -766,7 +763,7 @@ static void irqrouter_resume(void) } } -static int acpi_pci_link_remove(struct acpi_device *device, int type) +static void acpi_pci_link_remove(struct acpi_device *device) { struct acpi_pci_link *link; @@ -777,7 +774,6 @@ static int acpi_pci_link_remove(struct acpi_device *device, int type) mutex_unlock(&acpi_link_lock); kfree(link); - return 0; } /* @@ -874,20 +870,10 @@ static struct syscore_ops irqrouter_syscore_ops = { .resume = irqrouter_resume, }; -static int __init irqrouter_init_ops(void) -{ - if (!acpi_disabled && !acpi_noirq) - register_syscore_ops(&irqrouter_syscore_ops); - - return 0; -} - -device_initcall(irqrouter_init_ops); - -static int __init acpi_pci_link_init(void) +void __init acpi_pci_link_init(void) { if (acpi_noirq) - return 0; + return; if (acpi_irq_balance == -1) { /* no command line switch: enable balancing in IOAPIC mode */ @@ -896,11 +882,6 @@ static int __init acpi_pci_link_init(void) else acpi_irq_balance = 0; } - - if (acpi_bus_register_driver(&acpi_pci_link_driver) < 0) - return -ENODEV; - - return 0; + register_syscore_ops(&irqrouter_syscore_ops); + acpi_scan_add_handler(&pci_link_handler); } - -subsys_initcall(acpi_pci_link_init); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 22a8458b4ec9..b3cc69c5caf1 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -45,8 +45,9 @@ ACPI_MODULE_NAME("pci_root"); #define ACPI_PCI_ROOT_CLASS "pci_bridge" #define ACPI_PCI_ROOT_DEVICE_NAME "PCI Root Bridge" -static int acpi_pci_root_add(struct acpi_device *device); -static int acpi_pci_root_remove(struct acpi_device *device, int type); +static int acpi_pci_root_add(struct acpi_device *device, + const struct acpi_device_id *not_used); +static void acpi_pci_root_remove(struct acpi_device *device); #define ACPI_PCIE_REQ_SUPPORT (OSC_EXT_PCI_CONFIG_SUPPORT \ | OSC_ACTIVE_STATE_PWR_SUPPORT \ @@ -57,16 +58,11 @@ static const struct acpi_device_id root_device_ids[] = { {"PNP0A03", 0}, {"", 0}, }; -MODULE_DEVICE_TABLE(acpi, root_device_ids); -static struct acpi_driver acpi_pci_root_driver = { - .name = "pci_root", - .class = ACPI_PCI_ROOT_CLASS, +static struct acpi_scan_handler pci_root_handler = { .ids = root_device_ids, - .ops = { - .add = acpi_pci_root_add, - .remove = acpi_pci_root_remove, - }, + .attach = acpi_pci_root_add, + .detach = acpi_pci_root_remove, }; /* Lock to protect both acpi_pci_roots and acpi_pci_drivers lists */ @@ -428,7 +424,8 @@ out: } EXPORT_SYMBOL(acpi_pci_osc_control_set); -static int acpi_pci_root_add(struct acpi_device *device) +static int acpi_pci_root_add(struct acpi_device *device, + const struct acpi_device_id *not_used) { unsigned long long segment, bus; acpi_status status; @@ -614,7 +611,7 @@ static int acpi_pci_root_add(struct acpi_device *device) pci_enable_bridges(root->bus); pci_bus_add_devices(root->bus); - return 0; + return 1; out_del_root: mutex_lock(&acpi_pci_root_lock); @@ -627,7 +624,7 @@ end: return result; } -static int acpi_pci_root_remove(struct acpi_device *device, int type) +static void acpi_pci_root_remove(struct acpi_device *device) { acpi_status status; acpi_handle handle; @@ -655,1 |