From 4c7b70406e5aadc1c78db4d375d5744df65c5b58 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Sun, 9 Mar 2014 18:30:50 +0100 Subject: [PATCH] Revert "ACPI / sleep: pm_power_off needs more sanity checks to be installed" Revert commit 3130497f5bab ("ACPI / sleep: pm_power_off needs more sanity checks to be installed") that breaks power ACPI power off on a lot of systems, because it checks wrong registers. Fixes: 3130497f5bab ("ACPI / sleep: pm_power_off needs more sanity checks to be installed") Signed-off-by: Rafael J. Wysocki Signed-off-by: Linus Torvalds --- drivers/acpi/sleep.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index b0f6c4a2a119..b718806657cd 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -807,12 +807,7 @@ int __init acpi_sleep_init(void) acpi_sleep_hibernate_setup(); status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b); - /* - * Check both ACPI S5 object and ACPI sleep registers to - * install pm_power_off_prepare/pm_power_off hook - */ - if (ACPI_SUCCESS(status) && acpi_gbl_FADT.sleep_control.address - && acpi_gbl_FADT.sleep_status.address) { + if (ACPI_SUCCESS(status)) { sleep_states[ACPI_STATE_S5] = 1; pm_power_off_prepare = acpi_power_off_prepare; pm_power_off = acpi_power_off;