ARM: mvebu: export PMSU idle enter/exit functions

The PMSU idle enter/exit functions will be needed for the CPU hotplug
implementation on Armada XP, so this commit removes their static
qualifier, and adds the appropriate prototypes in armada-370-xp.h.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1401481098-23326-4-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/mach-mvebu/armada-370-xp.h

@@ -24,4 +24,7 @@ void armada_xp_secondary_startup(void);
 extern struct smp_operations armada_xp_smp_ops;
 #endif
 
+int armada_370_xp_pmsu_idle_enter(unsigned long deepidle);
+void armada_370_xp_pmsu_idle_exit(void);
+
 #endif /* __MACH_ARMADA_370_XP_H */

arch/arm/mach-mvebu/pmsu.c

@@ -148,7 +148,7 @@ static void armada_370_xp_cpu_resume(void)
 }
 
 /* No locking is needed because we only access per-CPU registers */
-static int armada_370_xp_pmsu_idle_enter(unsigned long deepidle)
+int armada_370_xp_pmsu_idle_enter(unsigned long deepidle)
 {
 	unsigned int hw_cpu = cpu_logical_map(smp_processor_id());
 	u32 reg;
@@ -219,7 +219,7 @@ static int armada_370_xp_cpu_suspend(unsigned long deepidle)
 }
 
 /* No locking is needed because we only access per-CPU registers */
-static void armada_370_xp_pmsu_idle_exit(void)
+void armada_370_xp_pmsu_idle_exit(void)
 {
 	unsigned int hw_cpu = cpu_logical_map(smp_processor_id());
 	u32 reg;