ARM: mach-shmobile: Runtime PM late init callback

Add a mach-shmobile specific callback for SoC-specific code
to hook into. By having the late_initcall() in a common place
we can have multi-SoC/board support in the same kernel binary.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

2 files changed, 11 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h
index 06aecb31d9c7..73a76d75ccbc 100644
--- a/arch/arm/mach-shmobile/include/mach/common.h
+++ b/arch/arm/mach-shmobile/include/mach/common.h
@@ -12,6 +12,7 @@ extern struct platform_suspend_ops shmobile_suspend_ops;
 struct cpuidle_device;
 extern void (*shmobile_cpuidle_modes[])(void);
 extern void (*shmobile_cpuidle_setup)(struct cpuidle_device *dev);
+extern void (*shmobile_runtime_pm_late_init)(void);
 
 extern void sh7367_init_irq(void);
 extern void sh7367_add_early_devices(void);
diff --git a/arch/arm/mach-shmobile/pm_runtime.c b/arch/arm/mach-shmobile/pm_runtime.c
index 2bcde1c46a6b..2f6ded5712ee 100644
--- a/arch/arm/mach-shmobile/pm_runtime.c
+++ b/arch/arm/mach-shmobile/pm_runtime.c
@@ -56,3 +56,13 @@ static int __init sh_pm_runtime_init(void)
         return 0;
 }
 core_initcall(sh_pm_runtime_init);
+
+void (*shmobile_runtime_pm_late_init)(void);
+
+static int __init sh_pm_runtime_late_init(void)
+{
+        if (shmobile_runtime_pm_late_init)
+                shmobile_runtime_pm_late_init();
+        return 0;
+}
+late_initcall(sh_pm_runtime_late_init);