diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2011-02-08 23:42:09 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2011-02-24 19:58:54 +0100 |
| commit | 979f11b060c0b35b03b86ae854d6f21a710305d0 (patch) | |
| tree | 5101d264c9a4cdffc1934cb20cb0be9c485792ed /drivers/acpi/sleep.c | |
| parent | 7a63f08b2b904d25e966dd0e15c9af4a13c80b90 (diff) | |
ACPI / PM: Call acpi_save_state_mem() right before low-level suspend
Since acpi_save_state_mem() is only called by acpi_suspend_enter()
if the target sleep state is S3, it's better to call it under the
switch (acpi_state), right before do_suspend_lowlevel().
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'drivers/acpi/sleep.c')
| -rw-r--r-- | drivers/acpi/sleep.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 6bea2fe8434..2307604064b 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -244,17 +244,10 @@ static int acpi_suspend_enter(suspend_state_t pm_state) { acpi_status status = AE_OK; u32 acpi_state = acpi_target_sleep_state; + int error; ACPI_FLUSH_CPU_CACHE(); - /* Do arch specific saving of state. */ - if (acpi_state == ACPI_STATE_S3) { - int error = acpi_save_state_mem(); - - if (error) - return error; - } - switch (acpi_state) { case ACPI_STATE_S1: barrier(); @@ -262,6 +255,9 @@ static int acpi_suspend_enter(suspend_state_t pm_state) break; case ACPI_STATE_S3: + error = acpi_save_state_mem(); + if (error) + return error; do_suspend_lowlevel(); pr_info(PREFIX "Low-level resume complete\n"); break; |