[PATCH v7 20/20] reboot: Remove pm_power_off_prepare()

From: Dmitry Osipenko
Date: Mon Apr 11 2022 - 19:42:54 EST


All pm_power_off_prepare() users were converted to sys-off handler API.
Remove the obsolete callback.

Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
---
include/linux/pm.h | 1 -
kernel/reboot.c | 11 -----------
2 files changed, 12 deletions(-)

diff --git a/include/linux/pm.h b/include/linux/pm.h
index ffe941958501..6cdf279c7f2f 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -21,7 +21,6 @@
* Callbacks for platform drivers to implement.
*/
extern void (*pm_power_off)(void);
-extern void (*pm_power_off_prepare)(void);

struct device; /* we have a circular dep with device.h */
#ifdef CONFIG_VT_CONSOLE_SLEEP
diff --git a/kernel/reboot.c b/kernel/reboot.c
index e76e2570dcf5..f2f5c9d7caa0 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -48,13 +48,6 @@ int reboot_cpu;
enum reboot_type reboot_type = BOOT_ACPI;
int reboot_force;

-/*
- * If set, this is used for preparing the system to power off.
- */
-
-void (*pm_power_off_prepare)(void);
-EXPORT_SYMBOL_GPL(pm_power_off_prepare);
-
/**
* emergency_restart - reboot the system
*
@@ -877,10 +870,6 @@ void do_kernel_power_off(void)

static void do_kernel_power_off_prepare(void)
{
- /* legacy pm_power_off_prepare() is unchained and has highest priority */
- if (pm_power_off_prepare)
- return pm_power_off_prepare();
-
blocking_notifier_call_chain(&power_off_handler_list, POWEROFF_PREPARE,
NULL);
}
--
2.35.1