From:   Dmitry Osipenko <digetx@gmail.com>
To:     Thierry Reding <thierry.reding@gmail.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        Russell King <linux@armlinux.org.uk>,
        Catalin Marinas <catalin.marinas@arm.com>,
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        Geert Uytterhoeven <geert@linux-m68k.org>,
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        Joshua Thompson <funaho@jurai.org>,
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Cc:     linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org,
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Subject: [PATCH v5 21/21] reboot: Remove pm_power_off_prepare()
Date:   Mon, 13 Dec 2021 00:03:09 +0300
Message-Id: <20211212210309.9851-22-digetx@gmail.com>
In-Reply-To: <20211212210309.9851-1-digetx@gmail.com>
References: <20211212210309.9851-1-digetx@gmail.com>
MIME-Version: 1.0
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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 1d8209c09686..d9bf1426f81e 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -20,7 +20,6 @@
  * 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 3085873a876f..2f79d4f7cfaa 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
  *
@@ -829,10 +822,6 @@ 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);
 }
-- 
2.33.1