When acpi_sleep_prepare was moved into a shutdown method we
started calling it for all shutdowns. It appears this triggers
some systems to power off on reboot. Avoid this by only calling
acpi_sleep_prepare if we are going to power off the system.
Signed-off-by: Eric W. Biederman <[email protected]>
---
drivers/acpi/sleep/poweroff.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
7194b86c5e67aaf9ce8c25482441e87d700f057d
diff --git a/drivers/acpi/sleep/poweroff.c b/drivers/acpi/sleep/poweroff.c
--- a/drivers/acpi/sleep/poweroff.c
+++ b/drivers/acpi/sleep/poweroff.c
@@ -55,7 +55,11 @@ void acpi_power_off(void)
static int acpi_shutdown(struct sys_device *x)
{
- return acpi_sleep_prepare(ACPI_STATE_S5);
+ if (system_state == SYSTEM_POWER_OFF) {
+ /* Prepare if we are going to power off the system */
+ return acpi_sleep_prepare(ACPI_STATE_S5);
+ }
+ return 0;
}
static struct sysdev_class acpi_sysclass = {
-
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