ACPI / PM: acpi_suspend_enter() need not switch interrupts off

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>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 67dcd3886563..3b549379801a 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -243,7 +243,6 @@ static int acpi_suspend_begin(suspend_state_t pm_state)
 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_state_t pm_state)
                         return error;
         }
 
-        local_irq_save(flags);
         switch (acpi_state) {
         case ACPI_STATE_S1:
                 barrier();
@@ -290,7 +288,6 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
         /* Allow EC transactions to happen. */
         acpi_ec_unblock_transactions_early();
 
-        local_irq_restore(flags);
         printk(KERN_DEBUG "Back to C!\n");
 
         suspend_nvs_restore();