[v2,23/45] ACPI: power: Switch to power-handler API

Commit Message

Dmitry Osipenko Oct. 27, 2021, 9:16 p.m. UTC

Switch to power-handler API that replaces legacy pm_power_off callbacks.

Signed-off-by: Dmitry Osipenko <[e-mail]>
---
 drivers/acpi/sleep.c | 25 +++++++++++--------------
 1 file changed, 11 insertions(+), 14 deletions(-)

Patch

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 3023224515ab..41b3ea867f8f 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -47,19 +47,11 @@  static void acpi_sleep_tts_switch(u32 acpi_state)
 	}
 }
 
-static int tts_notify_reboot(struct notifier_block *this,
-			unsigned long code, void *x)
+static void tts_reboot_prepare(struct reboot_prep_data *data)
 {
 	acpi_sleep_tts_switch(ACPI_STATE_S5);
-	return NOTIFY_DONE;
 }
 
-static struct notifier_block tts_notifier = {
-	.notifier_call	= tts_notify_reboot,
-	.next		= NULL,
-	.priority	= 0,
-};
-
 static int acpi_sleep_prepare(u32 acpi_state)
 {
 #ifdef CONFIG_ACPI_SLEEP
@@ -1016,7 +1008,7 @@  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 void acpi_power_off_prepare(struct power_off_prep_data *data)
 {
 	/* Prepare to power off the system */
 	acpi_sleep_prepare(ACPI_STATE_S5);
@@ -1024,7 +1016,7 @@  static void acpi_power_off_prepare(void)
 	acpi_os_wait_events_complete();
 }
 
-static void acpi_power_off(void)
+static void acpi_power_off(struct power_off_data *data)
 {
 	/* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
 	pr_debug("%s called\n", __func__);
@@ -1032,6 +1024,11 @@  static void acpi_power_off(void)
 	acpi_enter_sleep_state(ACPI_STATE_S5);
 }
 
+static struct power_handler acpi_power_handler = {
+	.power_off_priority = POWEROFF_PRIO_FIRMWARE,
+	.reboot_prepare_cb = tts_reboot_prepare,
+};
+
 int __init acpi_sleep_init(void)
 {
 	char supported[ACPI_S_STATE_COUNT * 3 + 1];
@@ -1048,8 +1045,8 @@  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;
+		acpi_power_handler.power_off_cb = acpi_power_off;
+		acpi_power_handler.power_off_prepare_cb = acpi_power_off_prepare;
 	} else {
 		acpi_no_s5 = true;
 	}
@@ -1065,6 +1062,6 @@  int __init acpi_sleep_init(void)
 	 * Register the tts_notifier to reboot notifier list so that the _TTS
 	 * object can also be evaluated when the system enters S5.
 	 */
-	register_reboot_notifier(&tts_notifier);
+	register_power_handler(&acpi_power_handler);
 	return 0;
 }