ARM: 7251/1: restart: S5PC100: 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: NKukjin Kim <kgene.kim@samsung.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-s5pc100/common.c

@@ -45,6 +45,7 @@
 #include <plat/iic-core.h>
 #include <plat/onenand-core.h>
 #include <plat/regs-serial.h>
+#include <plat/watchdog-reset.h>
 
 #include "common.h"
 
@@ -221,3 +222,11 @@ void __init s5pc100_init_uarts(struct s3c2410_uartcfg *cfg, int no)
 {
 	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
 }
+
+void s5pc100_restart(char mode, const char *cmd)
+{
+	if (mode != 's')
+		arch_wdt_reset();
+
+	soft_restart(0);
+}

arch/arm/mach-s5pc100/common.h

@@ -18,6 +18,8 @@ void s5pc100_init_irq(void);
 void s5pc100_register_clocks(void);
 void s5pc100_setup_clocks(void);
 
+void s5pc100_restart(char mode, const char *cmd);
+
 #ifdef CONFIG_CPU_S5PC100
 
 extern  int s5pc100_init(void);

arch/arm/mach-s5pc100/mach-smdkc100.c

@@ -254,4 +254,5 @@ MACHINE_START(SMDKC100, "SMDKC100")
 	.map_io		= smdkc100_map_io,
 	.init_machine	= smdkc100_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s5pc100_restart,
 MACHINE_END