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ACPI / battery: abort initialization earlier if acpi_disabled

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If ACPI is disabled there's no need to schedule an async function call,
the driver initialization can be aborted earlier in acpi_battery_init().

Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Luis Henriques 2015-05-11 22:48:38 +01:00 committed by Rafael J. Wysocki
parent 030bbdbf4c
commit e234b074c8
1 changed files with 3 additions and 3 deletions
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6
drivers/acpi/battery.c
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@ -1292,9 +1292,6 @@ static struct acpi_driver acpi_battery_driver = {
static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
{
if (acpi_disabled)
return;
dmi_check_system(bat_dmi_table);
#ifdef CONFIG_ACPI_PROCFS_POWER
@ -1313,6 +1310,9 @@ static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
static int __init acpi_battery_init(void)
{
if (acpi_disabled)
return -ENODEV;
async_schedule(acpi_battery_init_async, NULL);
return 0;
}