Messages in this thread Patch in this message | | | From | "Rafael J. Wysocki" <> | Subject | [PATCH 2/6] ACPI / PM: Do not switch interrupts off/on in acpi_suspend_enter() | Date | Mon, 7 Feb 2011 23:19:10 +0100 |
| |
From: Rafael J. Wysocki <rjw@sisk.pl>
The function acpi_suspend_enter() is always called with interrupts off, so it doesn't need to switch them off and on.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> --- drivers/acpi/sleep.c | 3 --- 1 file changed, 3 deletions(-)
Index: linux-2.6/drivers/acpi/sleep.c =================================================================== --- linux-2.6.orig/drivers/acpi/sleep.c +++ linux-2.6/drivers/acpi/sleep.c @@ -243,7 +243,6 @@ static int acpi_suspend_begin(suspend_st static int acpi_suspend_enter(suspend_state_t pm_state) { acpi_status status = AE_OK; - unsigned long flags = 0; u32 acpi_state = acpi_target_sleep_state; ACPI_FLUSH_CPU_CACHE(); @@ -256,7 +255,6 @@ static int acpi_suspend_enter(suspend_st return error; } - local_irq_save(flags); switch (acpi_state) { case ACPI_STATE_S1: barrier(); @@ -290,7 +288,6 @@ static int acpi_suspend_enter(suspend_st /* Allow EC transactions to happen. */ acpi_ec_unblock_transactions_early(); - local_irq_restore(flags); printk(KERN_DEBUG "Back to C!\n"); suspend_nvs_restore();
| |