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ACPI: Use struct dev_pm_ops for power management in the fan driver 

Make the ACPI fan driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Rafael J. Wysocki 2012-06-27 23:26:07 +02:00
Родитель 67699c5f0c
Коммит 62fcbdd95c
1 изменённых файлов: 11 добавлений и 10 удалений
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21
drivers/acpi/fan.c
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@ -46,8 +46,6 @@ 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);
static int acpi_fan_resume(struct acpi_device *device);
static const struct acpi_device_id fan_device_ids[] = {
{"PNP0C0B", 0},
@ -55,6 +53,10 @@ static const struct acpi_device_id fan_device_ids[] = {
};
MODULE_DEVICE_TABLE(acpi, fan_device_ids);
static int acpi_fan_suspend(struct device *dev);
static int acpi_fan_resume(struct device *dev);
static SIMPLE_DEV_PM_OPS(acpi_fan_pm, acpi_fan_suspend, acpi_fan_resume);
static struct acpi_driver acpi_fan_driver = {
.name = "fan",
.class = ACPI_FAN_CLASS,
@ -62,9 +64,8 @@ static struct acpi_driver acpi_fan_driver = {
.ops = {
.add = acpi_fan_add,
.remove = acpi_fan_remove,
.suspend = acpi_fan_suspend,
.resume = acpi_fan_resume,
},
.drv.pm = &acpi_fan_pm,
};
/* thermal cooling device callbacks */
@ -183,24 +184,24 @@ static int acpi_fan_remove(struct acpi_device *device, int type)
return 0;
}
static int acpi_fan_suspend(struct acpi_device *device)
static int acpi_fan_suspend(struct device *dev)
{
if (!device)
if (!dev)
return -EINVAL;
acpi_bus_set_power(device->handle, ACPI_STATE_D0);
acpi_bus_set_power(to_acpi_device(dev)->handle, ACPI_STATE_D0);
return AE_OK;
}
static int acpi_fan_resume(struct acpi_device *device)
static int acpi_fan_resume(struct device *dev)
{
int result;
if (!device)
if (!dev)
return -EINVAL;
result = acpi_bus_update_power(device->handle, NULL);
result = acpi_bus_update_power(to_acpi_device(dev)->handle, NULL);
if (result)
printk(KERN_ERR PREFIX "Error updating fan power state\n");