ARM: 7266/1: restart: S3C64XX: use new restart hook

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

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-s3c64xx/common.c

@@ -44,6 +44,7 @@
 #include <plat/irq-vic-timer.h>
 #include <plat/regs-irqtype.h>
 #include <plat/regs-serial.h>
+#include <plat/watchdog-reset.h>
 
 #include "common.h"
 
@@ -373,3 +374,12 @@ static int __init s3c64xx_init_irq_eint(void)
 	return 0;
 }
 arch_initcall(s3c64xx_init_irq_eint);
+
+void s3c64xx_restart(char mode, const char *cmd)
+{
+	if (mode != 's')
+		arch_wdt_reset();
+
+	/* if all else fails, or mode was for soft, jump to 0 */
+	soft_restart(0);
+}

arch/arm/mach-s3c64xx/common.h

@@ -23,6 +23,8 @@ void s3c64xx_init_io(struct map_desc *mach_desc, int size);
 void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit);
 void s3c64xx_setup_clocks(void);
 
+void s3c64xx_restart(char mode, const char *cmd);
+
 extern struct syscore_ops s3c64xx_irq_syscore_ops;
 extern struct sysdev_class s3c64xx_sysclass;
 

arch/arm/mach-s3c64xx/include/mach/system.h

@@ -11,8 +11,6 @@
 #ifndef __ASM_ARCH_SYSTEM_H
 #define __ASM_ARCH_SYSTEM_H __FILE__
 
-#include <plat/watchdog-reset.h>
-
 static void arch_idle(void)
 {
 	/* nothing here yet */
@@ -20,11 +18,6 @@ static void arch_idle(void)
 
 static void arch_reset(char mode, const char *cmd)
 {
-	if (mode != 's')
-		arch_wdt_reset();
-
-	/* if all else fails, or mode was for soft, jump to 0 */
-	soft_restart(0);
 }
 
 #endif /* __ASM_ARCH_IRQ_H */

arch/arm/mach-s3c64xx/mach-anw6410.c

@@ -240,4 +240,5 @@ MACHINE_START(ANW6410, "A&W6410")
 	.map_io		= anw6410_map_io,
 	.init_machine	= anw6410_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c64xx_restart,
 MACHINE_END

arch/arm/mach-s3c64xx/mach-crag6410.c

@@ -715,4 +715,5 @@ MACHINE_START(WLF_CRAGG_6410, "Wolfson Cragganmore 6410")
 	.map_io		= crag6410_map_io,
 	.init_machine	= crag6410_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c64xx_restart,
 MACHINE_END

arch/arm/mach-s3c64xx/mach-hmt.c

@@ -271,4 +271,5 @@ MACHINE_START(HMT, "Airgoo-HMT")
 	.map_io		= hmt_map_io,
 	.init_machine	= hmt_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c64xx_restart,
 MACHINE_END

arch/arm/mach-s3c64xx/mach-mini6410.c

@@ -349,4 +349,5 @@ MACHINE_START(MINI6410, "MINI6410")
 	.map_io		= mini6410_map_io,
 	.init_machine	= mini6410_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c64xx_restart,
 MACHINE_END

arch/arm/mach-s3c64xx/mach-ncp.c

@@ -103,4 +103,5 @@ MACHINE_START(NCP, "NCP")
 	.map_io		= ncp_map_io,
 	.init_machine	= ncp_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c64xx_restart,
 MACHINE_END

arch/arm/mach-s3c64xx/mach-real6410.c

@@ -330,4 +330,5 @@ MACHINE_START(REAL6410, "REAL6410")
 	.map_io		= real6410_map_io,
 	.init_machine	= real6410_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c64xx_restart,
 MACHINE_END

arch/arm/mach-s3c64xx/mach-smartq5.c

@@ -151,4 +151,5 @@ MACHINE_START(SMARTQ5, "SmartQ 5")
 	.map_io		= smartq_map_io,
 	.init_machine	= smartq5_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c64xx_restart,
 MACHINE_END

arch/arm/mach-s3c64xx/mach-smartq7.c

@@ -167,4 +167,5 @@ MACHINE_START(SMARTQ7, "SmartQ 7")
 	.map_io		= smartq_map_io,
 	.init_machine	= smartq7_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c64xx_restart,
 MACHINE_END

arch/arm/mach-s3c64xx/mach-smdk6400.c

@@ -92,4 +92,5 @@ MACHINE_START(SMDK6400, "SMDK6400")
 	.map_io		= smdk6400_map_io,
 	.init_machine	= smdk6400_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c64xx_restart,
 MACHINE_END

arch/arm/mach-s3c64xx/mach-smdk6410.c

@@ -704,4 +704,5 @@ MACHINE_START(SMDK6410, "SMDK6410")
 	.map_io		= smdk6410_map_io,
 	.init_machine	= smdk6410_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c64xx_restart,
 MACHINE_END

arch/arm/plat-samsung/include/plat/watchdog-reset.h

@@ -17,6 +17,7 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/io.h>
+#include <linux/delay.h>
 
 static inline void arch_wdt_reset(void)
 {