Merge tag 'renesas-sh-drivers-for-v3.16' of git://git.kernel.org/pub/…

…scm/linux/kernel/git/horms/renesas into next

Pull SH driver update from Simon Horman:

 - PM Runtime enhancements targeted for use with ARM-based Renesas R-Car
   Gen2 SoCs

 - Restrict INTC_USERIMASK to SH4A as it is only used there

* tag 'renesas-sh-drivers-for-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  drivers: sh: Enable PM runtime for new R-Car Gen2 SoCs
  drivers: sh: pm_runtime implementation needs to suspend and resume devices
  drivers: sh: Restrict INTC_USERIMASK to SH4A
  drivers: sh: pm_runtime does not need idle callback

drivers/sh/intc/Kconfig

@@ -6,7 +6,7 @@ comment "Interrupt controller options"
 
 config INTC_USERIMASK
 	bool "Userspace interrupt masking support"
-	depends on ARCH_SHMOBILE || (SUPERH && CPU_SH4A) || COMPILE_TEST
+	depends on (SUPERH && CPU_SH4A) || COMPILE_TEST
 	help
 	  This enables support for hardware-assisted userspace hardirq
 	  masking.

drivers/sh/pm_runtime.c

@@ -21,18 +21,43 @@
 #include <linux/slab.h>
 
 #ifdef CONFIG_PM_RUNTIME
-
-static int default_platform_runtime_idle(struct device *dev)
+static int sh_pm_runtime_suspend(struct device *dev)
 {
-	/* suspend synchronously to disable clocks immediately */
+	int ret;
+
+	ret = pm_generic_runtime_suspend(dev);
+	if (ret) {
+		dev_err(dev, "failed to suspend device\n");
+		return ret;
+	}
+
+	ret = pm_clk_suspend(dev);
+	if (ret) {
+		dev_err(dev, "failed to suspend clock\n");
+		pm_generic_runtime_resume(dev);
+		return ret;
+	}
+
 	return 0;
 }
 
+static int sh_pm_runtime_resume(struct device *dev)
+{
+	int ret;
+
+	ret = pm_clk_resume(dev);
+	if (ret) {
+		dev_err(dev, "failed to resume clock\n");
+		return ret;
+	}
+
+	return pm_generic_runtime_resume(dev);
+}
+
 static struct dev_pm_domain default_pm_domain = {
 	.ops = {
-		.runtime_suspend = pm_clk_suspend,
-		.runtime_resume = pm_clk_resume,
-		.runtime_idle = default_platform_runtime_idle,
+		.runtime_suspend = sh_pm_runtime_suspend,
+		.runtime_resume = sh_pm_runtime_resume,
 		USE_PLATFORM_PM_SLEEP_OPS
 	},
 };
@@ -63,6 +88,9 @@ static int __init sh_pm_runtime_init(void)
 		    !of_machine_is_compatible("renesas,r8a7779") &&
 		    !of_machine_is_compatible("renesas,r8a7790") &&
 		    !of_machine_is_compatible("renesas,r8a7791") &&
+		    !of_machine_is_compatible("renesas,r8a7792") &&
+		    !of_machine_is_compatible("renesas,r8a7793") &&
+		    !of_machine_is_compatible("renesas,r8a7794") &&
 		    !of_machine_is_compatible("renesas,sh7372") &&
 		    !of_machine_is_compatible("renesas,sh73a0"))
 			return 0;