From 03ee9986108254cecc8bcd080b0500a57d6e24a0 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sat, 5 Nov 2011 12:17:40 +0000
Subject: [PATCH] ARM: restart: lpc32xx: use new restart hook

Hook these platforms restart code into the arm_pm_restart hook rather
than using arch_reset().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-lpc32xx/common.c              | 22 ++++++++++++++++++++-
 arch/arm/mach-lpc32xx/common.h              |  2 ++
 arch/arm/mach-lpc32xx/include/mach/system.h | 18 -----------------
 arch/arm/mach-lpc32xx/phy3250.c             |  1 +
 4 files changed, 24 insertions(+), 19 deletions(-)

diff --git a/arch/arm/mach-lpc32xx/common.c b/arch/arm/mach-lpc32xx/common.c
index 205b2dbb565b..b049fd1eb8e1 100644
--- a/arch/arm/mach-lpc32xx/common.c
+++ b/arch/arm/mach-lpc32xx/common.c
@@ -164,7 +164,7 @@ int clk_is_sysclk_mainosc(void)
 /*
  * System reset via the watchdog timer
  */
-void lpc32xx_watchdog_reset(void)
+static void lpc32xx_watchdog_reset(void)
 {
 	/* Make sure WDT clocks are enabled */
 	__raw_writel(LPC32XX_CLKPWR_PWMCLK_WDOG_EN,
@@ -311,3 +311,23 @@ void __init lpc32xx_map_io(void)
 {
 	iotable_init(lpc32xx_io_desc, ARRAY_SIZE(lpc32xx_io_desc));
 }
+
+void lpc23xx_restart(char mode, const char *cmd)
+{
+	switch (mode) {
+	case 's':
+	case 'h':
+		printk(KERN_CRIT "RESET: Rebooting system\n");
+
+		lpc32xx_watchdog_reset();
+		break;
+
+	default:
+		/* Do nothing */
+		break;
+	}
+
+	/* Wait for watchdog to reset system */
+	while (1)
+		;
+}
diff --git a/arch/arm/mach-lpc32xx/common.h b/arch/arm/mach-lpc32xx/common.h
index 5583f52662bd..4b4e700343c1 100644
--- a/arch/arm/mach-lpc32xx/common.h
+++ b/arch/arm/mach-lpc32xx/common.h
@@ -39,6 +39,8 @@ extern void __init lpc32xx_init_irq(void);
 extern void __init lpc32xx_map_io(void);
 extern void __init lpc32xx_serial_init(void);
 extern void __init lpc32xx_gpio_init(void);
+extern void lpc23xx_restart(char, const char *);
+
 
 /*
  * Structure used for setting up and querying the PLLS
diff --git a/arch/arm/mach-lpc32xx/include/mach/system.h b/arch/arm/mach-lpc32xx/include/mach/system.h
index d47f3b1c24b8..9c6cc0c7dd46 100644
--- a/arch/arm/mach-lpc32xx/include/mach/system.h
+++ b/arch/arm/mach-lpc32xx/include/mach/system.h
@@ -26,24 +26,6 @@ static void arch_idle(void)
 
 static inline void arch_reset(char mode, const char *cmd)
 {
-	extern void lpc32xx_watchdog_reset(void);
-
-	switch (mode) {
-	case 's':
-	case 'h':
-		printk(KERN_CRIT "RESET: Rebooting system\n");
-
-		lpc32xx_watchdog_reset();
-		break;
-
-	default:
-		/* Do nothing */
-		break;
-	}
-
-	/* Wait for watchdog to reset system */
-	while (1)
-		;
 }
 
 #endif
diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c
index 6d2f0d1b9373..ecb94114c81b 100644
--- a/arch/arm/mach-lpc32xx/phy3250.c
+++ b/arch/arm/mach-lpc32xx/phy3250.c
@@ -388,4 +388,5 @@ MACHINE_START(PHY3250, "Phytec 3250 board with the LPC3250 Microcontroller")
 	.init_irq	= lpc32xx_init_irq,
 	.timer		= &lpc32xx_timer,
 	.init_machine	= phy3250_board_init,
+	.restart	= lpc23xx_restart,
 MACHINE_END
-- 
2.39.5