ARM: rename mach_cpu_disable() to platform_cpu_disable()

Consistently name all SMP platform related functions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index e0d763b..3d05190 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -82,7 +82,7 @@
 extern struct secondary_data secondary_data;
 
 extern int __cpu_disable(void);
-extern int mach_cpu_disable(unsigned int cpu);
+extern int platform_cpu_disable(unsigned int cpu);
 
 extern void __cpu_die(unsigned int cpu);
 extern void cpu_die(void);
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 577543f..7a3cc02 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -162,7 +162,7 @@
 	struct task_struct *p;
 	int ret;
 
-	ret = mach_cpu_disable(cpu);
+	ret = platform_cpu_disable(cpu);
 	if (ret)
 		return ret;
 
diff --git a/arch/arm/mach-realview/hotplug.c b/arch/arm/mach-realview/hotplug.c
index be048e3..f95521a 100644
--- a/arch/arm/mach-realview/hotplug.c
+++ b/arch/arm/mach-realview/hotplug.c
@@ -131,7 +131,7 @@
 	cpu_leave_lowpower();
 }
 
-int mach_cpu_disable(unsigned int cpu)
+int platform_cpu_disable(unsigned int cpu)
 {
 	/*
 	 * we don't allow CPU 0 to be shutdown (it is still too special