mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

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>
This commit is contained in:
Rafael J. Wysocki 2011-02-08 23:41:47 +01:00
parent c41b93fb85
commit 82911fe198
1 changed files with 0 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/acpi/sleep.c
View File

@ -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();