ACPI / fan: do nothing in suspend and poweroff callback
We put fans to full speed in acpi_fan_suspend(), but that is only needed in the hibernation case when we are generating hibernation image, so this patch removes that when we are about to suspend or poweroff. References: http://www.spinics.net/lists/linux-acpi/msg48636.html Signed-off-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
parent
5e2e46e84b
commit
b9b8515f34
|
@ -55,11 +55,16 @@ MODULE_DEVICE_TABLE(acpi, fan_device_ids);
|
||||||
#ifdef CONFIG_PM_SLEEP
|
#ifdef CONFIG_PM_SLEEP
|
||||||
static int acpi_fan_suspend(struct device *dev);
|
static int acpi_fan_suspend(struct device *dev);
|
||||||
static int acpi_fan_resume(struct device *dev);
|
static int acpi_fan_resume(struct device *dev);
|
||||||
|
static struct dev_pm_ops acpi_fan_pm = {
|
||||||
|
.resume = acpi_fan_resume,
|
||||||
|
.freeze = acpi_fan_suspend,
|
||||||
|
.thaw = acpi_fan_resume,
|
||||||
|
.restore = acpi_fan_resume,
|
||||||
|
};
|
||||||
|
#define FAN_PM_OPS_PTR (&acpi_fan_pm)
|
||||||
#else
|
#else
|
||||||
#define acpi_fan_suspend NULL
|
#define FAN_PM_OPS_PTR NULL
|
||||||
#define acpi_fan_resume NULL
|
|
||||||
#endif
|
#endif
|
||||||
static SIMPLE_DEV_PM_OPS(acpi_fan_pm, acpi_fan_suspend, acpi_fan_resume);
|
|
||||||
|
|
||||||
static struct acpi_driver acpi_fan_driver = {
|
static struct acpi_driver acpi_fan_driver = {
|
||||||
.name = "fan",
|
.name = "fan",
|
||||||
|
@ -69,7 +74,7 @@ static struct acpi_driver acpi_fan_driver = {
|
||||||
.add = acpi_fan_add,
|
.add = acpi_fan_add,
|
||||||
.remove = acpi_fan_remove,
|
.remove = acpi_fan_remove,
|
||||||
},
|
},
|
||||||
.drv.pm = &acpi_fan_pm,
|
.drv.pm = FAN_PM_OPS_PTR,
|
||||||
};
|
};
|
||||||
|
|
||||||
/* thermal cooling device callbacks */
|
/* thermal cooling device callbacks */
|
||||||
|
|
Loading…
Reference in a new issue