linux-kernel - [PATCH 4/5] ARM64: Remove arm_pm

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Message-Id: <20210604140357.2602028-5-lee.jones@linaro.org>
Date:   Fri,  4 Jun 2021 15:03:56 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org, linux@...linux.org.uk,
        catalin.marinas@....com, will@...nel.org, mark.rutland@....com,
        lorenzo.pieralisi@....com, sstabellini@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        wsa+renesas@...g-engineering.com, linux@...ck-us.net,
        treding@...dia.com, arnd@...db.de, xen-devel@...ts.xenproject.org,
        patches@...linux.org.uk
Subject: [PATCH 4/5] ARM64: Remove arm_pm_restart()

From: Guenter Roeck <linux@...ck-us.net>

All users of arm_pm_restart() have been converted to use the kernel
restart handler.

Acked-by: Arnd Bergmann <arnd@...db.de>
Reviewed-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Acked-by: Catalin Marinas <catalin.marinas@....com>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 arch/arm64/include/asm/system_misc.h | 2 --
 arch/arm64/kernel/process.c          | 7 +------
 2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/arch/arm64/include/asm/system_misc.h b/arch/arm64/include/asm/system_misc.h
index 673be2d1263c4..305a7157c6a6a 100644
--- a/arch/arm64/include/asm/system_misc.h
+++ b/arch/arm64/include/asm/system_misc.h
@@ -32,8 +32,6 @@ void hook_debug_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
 struct mm_struct;
 extern void __show_regs(struct pt_regs *);
 
-extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
-
 #endif	/* __ASSEMBLY__ */
 
 #endif	/* __ASM_SYSTEM_MISC_H */
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index b4bb67f17a2ca..5591725cebccc 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -72,8 +72,6 @@ EXPORT_SYMBOL(__stack_chk_guard);
 void (*pm_power_off)(void);
 EXPORT_SYMBOL_GPL(pm_power_off);
 
-void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
-
 static void noinstr __cpu_do_idle(void)
 {
 	dsb(sy);
@@ -201,10 +199,7 @@ void machine_restart(char *cmd)
 		efi_reboot(reboot_mode, NULL);
 
 	/* Now call the architecture specific reboot code. */
-	if (arm_pm_restart)
-		arm_pm_restart(reboot_mode, cmd);
-	else
-		do_kernel_restart(cmd);
+	do_kernel_restart(cmd);
 
 	/*
 	 * Whoops - the architecture was unable to reboot.
-- 
2.31.1