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| author | Aaron Lu <aaron.lu@intel.com> | 2014-02-19 12:16:48 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-02-20 21:42:09 +0100 |
| commit | b9b8515f34fa182e26ee934c3a83f24e2d8bd846 (patch) | |
| tree | de5413f115b9f0fd410a9c78a5010ec06cd9e7e7 /drivers/acpi/fan.c | |
| parent | 5e2e46e84b6f77d4f8e51d6e33ff8eb0f47288f2 (diff) | |
| download | blackbird-op-linux-b9b8515f34fa182e26ee934c3a83f24e2d8bd846.tar.gz blackbird-op-linux-b9b8515f34fa182e26ee934c3a83f24e2d8bd846.zip | |
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>
Diffstat (limited to 'drivers/acpi/fan.c')
| -rw-r--r-- | drivers/acpi/fan.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 09e423f3d8ad..8acf53e62966 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -55,11 +55,16 @@ MODULE_DEVICE_TABLE(acpi, fan_device_ids); #ifdef CONFIG_PM_SLEEP static int acpi_fan_suspend(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 -#define acpi_fan_suspend NULL -#define acpi_fan_resume NULL +#define FAN_PM_OPS_PTR NULL #endif -static SIMPLE_DEV_PM_OPS(acpi_fan_pm, acpi_fan_suspend, acpi_fan_resume); static struct acpi_driver acpi_fan_driver = { .name = "fan", @@ -69,7 +74,7 @@ static struct acpi_driver acpi_fan_driver = { .add = acpi_fan_add, .remove = acpi_fan_remove, }, - .drv.pm = &acpi_fan_pm, + .drv.pm = FAN_PM_OPS_PTR, }; /* thermal cooling device callbacks */ |
