ARM: restart: realview: use new restart hook

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

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 671ad6d..e38e85b 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -315,7 +315,7 @@
 	.init		= realview_pb11mp_timer_init,
 };
 
-static void realview_pb11mp_reset(char mode)
+static void realview_pb11mp_restart(char mode, const char *cmd)
 {
 	void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL);
 	void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK);
@@ -327,6 +327,7 @@
 	__raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl);
 	__raw_writel(0x0000, reset_ctrl);
 	__raw_writel(0x0004, reset_ctrl);
+	dsb();
 }
 
 static void __init realview_pb11mp_init(void)
@@ -355,7 +356,6 @@
 #ifdef CONFIG_LEDS
 	leds_event = realview_leds_event;
 #endif
-	realview_reset = realview_pb11mp_reset;
 }
 
 MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
@@ -370,4 +370,5 @@
 #ifdef CONFIG_ZONE_DMA
 	.dma_zone_size	= SZ_256M,
 #endif
+	.restart	= realview_pb11mp_restart,
 MACHINE_END