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From:   Dmitry Osipenko <digetx@gmail.com>
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Subject: [PATCH v6 21/21] reboot: Remove pm_power_off_prepare()
Date:   Mon, 31 Jan 2022 02:37:18 +0300
Message-Id: <20220130233718.21544-22-digetx@gmail.com>
In-Reply-To: <20220130233718.21544-1-digetx@gmail.com>
References: <20220130233718.21544-1-digetx@gmail.com>
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All pm_power_off_prepare() users were converted to sys-off handler API.
Remove the obsolete callback.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 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 f7d2be686359..62879bfc4b8e 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 1ae5ba86b150..6e0d4deda987 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
  *
@@ -828,10 +821,6 @@ 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);
 }
-- 
2.34.1