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| author | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2022-05-10 02:32:30 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-05-19 20:30:31 +0300 |
| commit | 98f30d0ecf79da8cf17a171fa4cf6eda7ba4dd71 (patch) | |
| tree | ae1fc09589a558431e36d22160407f338efdc06d /drivers/acpi/sleep.c | |
| parent | bf8d73b934df8aa485dc4650d6d5dfe5a640af4b (diff) | |
| download | linux-98f30d0ecf79da8cf17a171fa4cf6eda7ba4dd71.tar.xz | |
ACPI: power: Switch to sys-off handler API
Switch to sys-off API that replaces legacy pm_power_off callbacks,
allowing us to remove global pm_* variables and support chaining of
all restart and power-off modes consistently.
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/sleep.c')
| -rw-r--r-- | drivers/acpi/sleep.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index c992e57b2c79..c3e3cee27f01 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -1023,20 +1023,22 @@ static void acpi_sleep_hibernate_setup(void) static inline void acpi_sleep_hibernate_setup(void) {} #endif /* !CONFIG_HIBERNATION */ -static void acpi_power_off_prepare(void) +static int acpi_power_off_prepare(struct sys_off_data *data) { /* Prepare to power off the system */ acpi_sleep_prepare(ACPI_STATE_S5); acpi_disable_all_gpes(); acpi_os_wait_events_complete(); + return NOTIFY_DONE; } -static void acpi_power_off(void) +static int acpi_power_off(struct sys_off_data *data) { /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ pr_debug("%s called\n", __func__); local_irq_disable(); acpi_enter_sleep_state(ACPI_STATE_S5); + return NOTIFY_DONE; } int __init acpi_sleep_init(void) @@ -1055,8 +1057,14 @@ int __init acpi_sleep_init(void) if (acpi_sleep_state_supported(ACPI_STATE_S5)) { sleep_states[ACPI_STATE_S5] = 1; - pm_power_off_prepare = acpi_power_off_prepare; - pm_power_off = acpi_power_off; + + register_sys_off_handler(SYS_OFF_MODE_POWER_OFF_PREPARE, + SYS_OFF_PRIO_FIRMWARE, + acpi_power_off_prepare, NULL); + + register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_FIRMWARE, + acpi_power_off, NULL); } else { acpi_no_s5 = true; } |