1 files changed, 15 insertions, 27 deletions

diff --git a/arch/sh/kernel/cpu/shmobile/pm.c b/arch/sh/kernel/cpu/shmobile/pm.c
index 8c067adf6830..ee3c2aaf66fb 100644
--- a/arch/sh/kernel/cpu/shmobile/pm.c
+++ b/arch/sh/kernel/cpu/shmobile/pm.c
@@ -1,5 +1,5 @@
 /*
- * arch/sh/kernel/cpu/sh4a/pm-sh_mobile.c
+ * arch/sh/kernel/cpu/shmobile/pm.c
  *
  * Power management support code for SuperH Mobile
  *
@@ -32,40 +32,20 @@
  *
  * R-standby mode is unsupported, but will be added in the future
  * U-standby mode is low priority since it needs bootloader hacks
- *
- * All modes should be tied in with cpuidle. But before that can
- * happen we need to keep track of enabled hardware blocks so we
- * can avoid entering sleep modes that stop clocks to hardware
- * blocks that are in use even though the cpu core is idle.
  */
 
+#define ILRAM_BASE 0xe5200000
+
 extern const unsigned char sh_mobile_standby[];
 extern const unsigned int sh_mobile_standby_size;
 
-static void sh_mobile_call_standby(unsigned long mode)
+void sh_mobile_call_standby(unsigned long mode)
 {
-        extern void *vbr_base;
-        void *onchip_mem = (void *)0xe5200000; /* ILRAM */
-        void (*standby_onchip_mem)(unsigned long) = onchip_mem;
-
-        /* Note: Wake up from sleep may generate exceptions!
-         * Setup VBR to point to on-chip ram if self-refresh is
-         * going to be used.
-         */
-        if (mode & SUSP_SH_SF)
-                asm volatile("ldc %0, vbr" : : "r" (onchip_mem) : "memory");
-
-        /* Copy the assembly snippet to the otherwise ununsed ILRAM */
-        memcpy(onchip_mem, sh_mobile_standby, sh_mobile_standby_size);
-        wmb();
-        ctrl_barrier();
+        void *onchip_mem = (void *)ILRAM_BASE;
+        void (*standby_onchip_mem)(unsigned long, unsigned long) = onchip_mem;
 
         /* Let assembly snippet in on-chip memory handle the rest */
-        standby_onchip_mem(mode);
-
-        /* Put VBR back in System RAM again */
-        if (mode & SUSP_SH_SF)
-                asm volatile("ldc %0, vbr" : : "r" (&vbr_base) : "memory");
+        standby_onchip_mem(mode, ILRAM_BASE);
 }
 
 static int sh_pm_enter(suspend_state_t state)
@@ -85,7 +65,15 @@ static struct platform_suspend_ops sh_pm_ops = {
 
 static int __init sh_pm_init(void)
 {
+        void *onchip_mem = (void *)ILRAM_BASE;
+
+        /* Copy the assembly snippet to the otherwise ununsed ILRAM */
+        memcpy(onchip_mem, sh_mobile_standby, sh_mobile_standby_size);
+        wmb();
+        ctrl_barrier();
+
         suspend_set_ops(&sh_pm_ops);
+        sh_mobile_setup_cpuidle();
         return 0;
 }