ARM: pm: hide 1st and 2nd arguments to cpu_suspend from platform code

The first and second arguments shouldn't concern platform code, so
hide them from each platforms caller.

Tested-by: Kevin Hilman <khilman@ti.com>
Acked-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/include/asm/suspend.h

@@ -0,0 +1,19 @@
+#ifndef __ASM_ARM_SUSPEND_H
+#define __ASM_ARM_SUSPEND_H
+
+#include <asm/memory.h>
+
+extern void cpu_resume(void);
+
+/*
+ * Hide the first two arguments to __cpu_suspend - these are an implementation
+ * detail which platform code shouldn't have to know about.
+ */
+static inline void cpu_suspend(unsigned long arg, void (*fn)(unsigned long))
+{
+	extern void __cpu_suspend(int, long, unsigned long,
+				  void (*)(unsigned long));
+	__cpu_suspend(0, PHYS_OFFSET - PAGE_OFFSET, arg, fn);
+}
+
+#endif