ACPI / battery: abort initialization earlier if acpi_disabled
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>
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 63d4367..69b8e60 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -1292,9 +1292,6 @@
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 int __init acpi_battery_init(void)
{
+ if (acpi_disabled)
+ return -ENODEV;
+
async_schedule(acpi_battery_init_async, NULL);
return 0;
}