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Revert "ACPI / sleep: pm_power_off needs more sanity checks to be installed" 

Revert commit 3130497f5b ("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: 3130497f5b ("ACPI / sleep: pm_power_off needs more sanity checks to be installed")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rafael J. Wysocki 2014-03-09 18:30:50 +01:00 committed by Linus Torvalds
parent ca62eec4e5
commit 4c7b70406e
1 changed files with 1 additions and 6 deletions
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7
drivers/acpi/sleep.c
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@ -807,12 +807,7 @@ int __init acpi_sleep_init(void)
acpi_sleep_hibernate_setup(); acpi_sleep_hibernate_setup();
status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b); status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b);
/* if (ACPI_SUCCESS(status)) {
* 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) {
sleep_states[ACPI_STATE_S5] = 1; sleep_states[ACPI_STATE_S5] = 1;
pm_power_off_prepare = acpi_power_off_prepare; pm_power_off_prepare = acpi_power_off_prepare;
pm_power_off = acpi_power_off; pm_power_off = acpi_power_off;