ARM: restart: prima2: use new restart hook

Hook these platforms restart code into the new restart hook rather
than using arch_reset().
Reviewed-by: NBarry Song <Baohua.Song@csr.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-prima2/common.h

@@ -16,6 +16,7 @@ extern struct sys_timer sirfsoc_timer;
 
 extern void __init sirfsoc_of_irq_init(void);
 extern void __init sirfsoc_of_clk_init(void);
+extern void sirfsoc_restart(char, const char *);
 
 #ifndef CONFIG_DEBUG_LL
 static inline void sirfsoc_map_lluart(void)  {}

arch/arm/mach-prima2/include/mach/system.h

@@ -9,13 +9,6 @@
 #ifndef __MACH_SYSTEM_H__
 #define __MACH_SYSTEM_H__
 
-#include <linux/bitops.h>
-#include <mach/hardware.h>
-
-#define SIRFSOC_SYS_RST_BIT  BIT(31)
-
-extern void __iomem *sirfsoc_rstc_base;
-
 static inline void arch_idle(void)
 {
 	cpu_do_idle();
@@ -23,7 +16,6 @@ static inline void arch_idle(void)
 
 static inline void arch_reset(char mode, const char *cmd)
 {
-	writel(SIRFSOC_SYS_RST_BIT, sirfsoc_rstc_base);
 }
 
 #endif

arch/arm/mach-prima2/prima2.c

@@ -40,4 +40,5 @@ MACHINE_START(PRIMA2_EVB, "prima2cb")
 	.dma_zone_size	= SZ_256M,
 	.init_machine	= sirfsoc_mach_init,
 	.dt_compat      = prima2cb_dt_match,
+	.restart	= sirfsoc_restart,
 MACHINE_END

arch/arm/mach-prima2/rstc.c

@@ -68,3 +68,10 @@ int sirfsoc_reset_device(struct device *dev)
 
 	return 0;
 }
+
+#define SIRFSOC_SYS_RST_BIT  BIT(31)
+
+void sirfsoc_restart(char mode, const char *cmd)
+{
+	writel(SIRFSOC_SYS_RST_BIT, sirfsoc_rstc_base);
+}