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authorLinus Torvalds <torvalds@linux-foundation.org>2019-08-02 08:55:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-08-02 08:55:28 -0700
commit755f1fed27f4b1d57dd8b2856c06086636cd7284 (patch)
treedaa0ae67696fd4209386eeedc43b59ae7491c307
parent75cdf416b32293dfc348d4c06fcc775ba4dacff6 (diff)
parent42787ed79638dc7f0f8d5c164caba1e87bfab50f (diff)
Merge tag 'pm-5.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki: "Fix recent regression affecting ACPI device power management" * tag 'pm-5.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: PM: Fix regression in acpi_device_set_power()
-rw-r--r--drivers/acpi/device_pm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 28cffaaf9d82..f616b16c1f0b 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -232,13 +232,15 @@ int acpi_device_set_power(struct acpi_device *device, int state)
if (device->power.flags.power_resources)
result = acpi_power_transition(device, target_state);
} else {
+ int cur_state = device->power.state;
+
if (device->power.flags.power_resources) {
result = acpi_power_transition(device, ACPI_STATE_D0);
if (result)
goto end;
}
- if (device->power.state == ACPI_STATE_D0) {
+ if (cur_state == ACPI_STATE_D0) {
int psc;
/* Nothing to do here if _PSC is not present. */