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authorOlof Johansson2013-01-31 19:39:17 -0800
committerOlof Johansson2013-01-31 19:39:27 -0800
commit07e0da3dca218ff042fc9cd31cbe3636a41d183d (patch)
tree71c5070c98c84a66c32185912f0893f360464eb1 /arch
parent6ed05a2aab3763b58922247543d7079106b254dc (diff)
parentdc784e73b45dc055f9dcb174ea5753ea020516fc (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/emev2.dtsi7
-rw-r--r--arch/arm/boot/dts/sh73a0.dtsi7
-rw-r--r--arch/arm/mach-shmobile/hotplug.c6
-rw-r--r--arch/arm/mach-shmobile/include/mach/common.h1
-rw-r--r--arch/arm/mach-shmobile/smp-sh73a0.c2
5 files changed, 22 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/emev2.dtsi b/arch/arm/boot/dts/emev2.dtsi
index eb504a6c0f4a..c8a8c08b48dd 100644
--- a/arch/arm/boot/dts/emev2.dtsi
+++ b/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>;
};
};
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi
index 721f48668f98..8a59465d0231 100644
--- a/arch/arm/boot/dts/sh73a0.dtsi
+++ b/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>;
};
};
diff --git a/arch/arm/mach-shmobile/hotplug.c b/arch/arm/mach-shmobile/hotplug.c
index b09a0bdbf813..a1524e3367b0 100644
--- a/arch/arm/mach-shmobile/hotplug.c
+++ b/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);
diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h
index 64c0622ae7d6..e48606d8a2be 100644
--- a/arch/arm/mach-shmobile/include/mach/common.h
+++ b/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);
diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c
index 9812ea3255c9..acb46a94ccdf 100644
--- a/arch/arm/mach-shmobile/smp-sh73a0.c
+++ b/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
};