reboot: arm: change reboot_mode to use enum reboot_mode

Preparing to move the parsing of reboot= to generic kernel code forces
the change in reboot_mode handling to use the enum.

[akpm@linux-foundation.org: fix arch/arm/mach-socfpga/socfpga.c]
Signed-off-by: Robin Holt <holt@sgi.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Russ Anderson <rja@sgi.com>
Cc: Robin Holt <holt@sgi.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index ee78847..cb6c838 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -11,6 +11,8 @@
 #ifndef __ASM_ARCH_MXC_COMMON_H__
 #define __ASM_ARCH_MXC_COMMON_H__
 
+#include <linux/reboot.h>
+
 struct platform_device;
 struct pt_regs;
 struct clk;
@@ -71,7 +73,7 @@
 extern struct platform_device *mxc_register_gpio(char *name, int id,
 	resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
 extern void mxc_set_cpu_type(unsigned int type);
-extern void mxc_restart(char, const char *);
+extern void mxc_restart(enum reboot_mode, const char *);
 extern void mxc_arch_reset_init(void __iomem *);
 extern void mxc_arch_reset_init_dt(void);
 extern int mx53_revision(void);
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index f596522..7be13f8 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -27,6 +27,7 @@
 #include <linux/of_platform.h>
 #include <linux/opp.h>
 #include <linux/phy.h>
+#include <linux/reboot.h>
 #include <linux/regmap.h>
 #include <linux/micrel_phy.h>
 #include <linux/mfd/syscon.h>
@@ -67,7 +68,7 @@
 	mxc_set_cpu_type(rev >> 16 & 0xff);
 }
 
-static void imx6q_restart(char mode, const char *cmd)
+static void imx6q_restart(enum reboot_mode mode, const char *cmd)
 {
 	struct device_node *np;
 	void __iomem *wdog_base;
diff --git a/arch/arm/mach-imx/system.c b/arch/arm/mach-imx/system.c
index 7cdc79a..6fe81bb 100644
--- a/arch/arm/mach-imx/system.c
+++ b/arch/arm/mach-imx/system.c
@@ -37,7 +37,7 @@
 /*
  * Reset the system. It is called by machine_restart().
  */
-void mxc_restart(char mode, const char *cmd)
+void mxc_restart(enum reboot_mode mode, const char *cmd)
 {
 	unsigned int wcr_enable;