Use the new device_to_pm() helper to access Power Management callbacs
(struct dev_pm_ops) for a particular device (struct device_driver).
No functional change intended.
Signed-off-by: Krzysztof Wilczyński <kw@xxxxxxxxx>
---
drivers/acpi/device_pm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 5832bc10aca8..b98a32c48fbe 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -1022,9 +1022,10 @@ static bool acpi_dev_needs_resume(struct device *dev, struct acpi_device *adev)
int acpi_subsys_prepare(struct device *dev)
{
struct acpi_device *adev = ACPI_COMPANION(dev);
+ const struct dev_pm_ops *pm = driver_to_pm(dev->driver);
- if (dev->driver && dev->driver->pm && dev->driver->pm->prepare) {
- int ret = dev->driver->pm->prepare(dev);
+ if (pm && pm->prepare) {
+ int ret = pm->prepare(dev);
if (ret < 0)
return ret;
--
2.26.2
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