Merge tag 'renesas-soc2-for-v3.9' of...

Merge tag 'renesas-soc2-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

From Simon Horman:
Second round of Renesas ARM-based SoC changes for v3.9

* Changes to allow unplugging of CPU0 by Ulrich Hecht.

* Changes to add reg and device_type properties to cpus
  device trees entries by Simon Horman.

* tag 'renesas-soc2-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: mach-shmobile: sh73a0: allow unplugging of CPU0
  ARM: mach-shmobile: add shmobile_cpu_disable_any()
  ARM: mach-shmobile: emev2:  Add reg and device_type properties to cpus
  ARM: mach-shmobile: sh73a0:  Add reg and device_type properties to cpus
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/emev2.dtsi

@@ -15,11 +15,18 @@ / {
 	interrupt-parent = <&gic>;
 
 	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
 		cpu@0 {
+			device_type = "cpu";
 			compatible = "arm,cortex-a9";
+			reg = <0>;
 		};
 		cpu@1 {
+			device_type = "cpu";
 			compatible = "arm,cortex-a9";
+			reg = <1>;
 		};
 	};
 

arch/arm/boot/dts/sh73a0.dtsi

@@ -14,11 +14,18 @@ / {
 	compatible = "renesas,sh73a0";
 
 	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
 		cpu@0 {
+			device_type = "cpu";
 			compatible = "arm,cortex-a9";
+			reg = <0>;
 		};
 		cpu@1 {
+			device_type = "cpu";
 			compatible = "arm,cortex-a9";
+			reg = <1>;
 		};
 	};
 

arch/arm/mach-shmobile/hotplug.c

@@ -56,6 +56,12 @@ int shmobile_cpu_disable(unsigned int cpu)
 	return cpu == 0 ? -EPERM : 0;
 }
 
+int shmobile_cpu_disable_any(unsigned int cpu)
+{
+	cpumask_clear_cpu(cpu, &dead_cpus);
+	return 0;
+}
+
 int shmobile_cpu_is_dead(unsigned int cpu)
 {
 	return cpumask_test_cpu(cpu, &dead_cpus);

arch/arm/mach-shmobile/include/mach/common.h

@@ -84,6 +84,7 @@ static inline int shmobile_cpuidle_init(void) { return 0; }
 
 extern void shmobile_cpu_die(unsigned int cpu);
 extern int shmobile_cpu_disable(unsigned int cpu);
+extern int shmobile_cpu_disable_any(unsigned int cpu);
 
 #ifdef CONFIG_HOTPLUG_CPU
 extern int shmobile_cpu_is_dead(unsigned int cpu);

arch/arm/mach-shmobile/smp-sh73a0.c

@@ -143,6 +143,6 @@ struct smp_operations sh73a0_smp_ops __initdata = {
 #ifdef CONFIG_HOTPLUG_CPU
 	.cpu_kill		= sh73a0_cpu_kill,
 	.cpu_die		= sh73a0_cpu_die,
-	.cpu_disable		= shmobile_cpu_disable,
+	.cpu_disable		= shmobile_cpu_disable_any,
 #endif
 };