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ACPI / sleep: Switch to use acpi_dev_get_first_match_dev()

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Switch the acpi_pm_finish() to use acpi_dev_get_first_match_dev() instead of
custom approach.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Andy Shevchenko 2019-06-12 13:07:02 +03:00 committed by Rafael J. Wysocki
parent 32865e3e01
commit a3487d8f30
1 changed files with 6 additions and 14 deletions
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20
drivers/acpi/sleep.c
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@ -454,14 +454,6 @@ static int acpi_pm_prepare(void)
return error;
}
static int find_powerf_dev(struct device *dev, void *data)
{
struct acpi_device *device = to_acpi_device(dev);
const char *hid = acpi_device_hid(device);
return !strcmp(hid, ACPI_BUTTON_HID_POWERF);
}
/**
* acpi_pm_finish - Instruct the platform to leave a sleep state.
*
@ -470,7 +462,7 @@ static int find_powerf_dev(struct device *dev, void *data)
*/
static void acpi_pm_finish(void)
{
struct device *pwr_btn_dev;
struct acpi_device *pwr_btn_adev;
u32 acpi_state = acpi_target_sleep_state;
acpi_ec_unblock_transactions();
@ -501,11 +493,11 @@ static void acpi_pm_finish(void)
return;
pwr_btn_event_pending = false;
pwr_btn_dev = bus_find_device(&acpi_bus_type, NULL, NULL,
find_powerf_dev);
if (pwr_btn_dev) {
pm_wakeup_event(pwr_btn_dev, 0);
put_device(pwr_btn_dev);
pwr_btn_adev = acpi_dev_get_first_match_dev(ACPI_BUTTON_HID_POWERF,
NULL, -1);
if (pwr_btn_adev) {
pm_wakeup_event(&pwr_btn_adev->dev, 0);
acpi_dev_put(pwr_btn_adev);
}
}