From 93ad7c07ad487b036add8760dabcc35666a550ef Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Mon, 22 Oct 2007 14:19:21 +0400 Subject: [PATCH] ACPI: Fan: Drop force_power_state acpi_device option force_power_state was used as a workaround for invalid cached power state of the device. We do not cache power state, so no need for workaround. Signed-off-by: Alexey Starikovskiy Acked-by: Rafael J. Wysocki Signed-off-by: Len Brown --- drivers/acpi/bus.c | 2 +- drivers/acpi/fan.c | 40 ---------------------------------------- include/acpi/acpi_bus.h | 3 +-- 3 files changed, 2 insertions(+), 43 deletions(-) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index fdee82d37b7d..49d432d0a12c 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -201,7 +201,7 @@ int acpi_bus_set_power(acpi_handle handle, int state) * Get device's current power state */ acpi_bus_get_power(device->handle, &device->power.state); - if ((state == device->power.state) && !device->flags.force_power_state) { + if (state == device->power.state) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n", state)); return 0; diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index a6e149d692cb..a5a5532db268 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -47,8 +47,6 @@ 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_suspend(struct acpi_device *device, pm_message_t state); -static int acpi_fan_resume(struct acpi_device *device); static const struct acpi_device_id fan_device_ids[] = { {"PNP0C0B", 0}, @@ -63,8 +61,6 @@ static struct acpi_driver acpi_fan_driver = { .ops = { .add = acpi_fan_add, .remove = acpi_fan_remove, - .suspend = acpi_fan_suspend, - .resume = acpi_fan_resume, }, }; @@ -195,10 +191,6 @@ static int acpi_fan_add(struct acpi_device *device) goto end; } - device->flags.force_power_state = 1; - acpi_bus_set_power(device->handle, state); - device->flags.force_power_state = 0; - result = acpi_fan_add_fs(device); if (result) goto end; @@ -224,38 +216,6 @@ static int acpi_fan_remove(struct acpi_device *device, int type) return 0; } -static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state) -{ - if (!device) - return -EINVAL; - - acpi_bus_set_power(device->handle, ACPI_STATE_D0); - - return AE_OK; -} - -static int acpi_fan_resume(struct acpi_device *device) -{ - int result = 0; - int power_state = 0; - - if (!device) - return -EINVAL; - - result = acpi_bus_get_power(device->handle, &power_state); - if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error reading fan power state\n")); - return result; - } - - device->flags.force_power_state = 1; - acpi_bus_set_power(device->handle, power_state); - device->flags.force_power_state = 0; - - return result; -} - static int __init acpi_fan_init(void) { int result = 0; diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 7b74b60a68a4..19c3ead2a90b 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -168,8 +168,7 @@ struct acpi_device_flags { u32 power_manageable:1; u32 performance_manageable:1; u32 wake_capable:1; /* Wakeup(_PRW) supported? */ - u32 force_power_state:1; - u32 reserved:19; + u32 reserved:20; }; /* File System */ -- 2.39.2