ARM: tegra: remove tegra specific cpu_disable()

The tegra cpu_disable() function is the same as the generic version
in arch/arm/kernel/smp.c.  Therefore, it can be removed.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mach-tegra/common.h b/arch/arm/mach-tegra/common.h
index 32f8eb3..5900cc4 100644 (file)
--- a/arch/arm/mach-tegra/common.h
+++ b/arch/arm/mach-tegra/common.h
@@ -2,4 +2,3 @@ extern struct smp_operations tegra_smp_ops;
 
 extern int tegra_cpu_kill(unsigned int cpu);
 extern void tegra_cpu_die(unsigned int cpu);
-extern int tegra_cpu_disable(unsigned int cpu);

diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c
index a599f6e..1fb9915 100644 (file)
--- a/arch/arm/mach-tegra/hotplug.c
+++ b/arch/arm/mach-tegra/hotplug.c
@@ -47,15 +47,6 @@ void __ref tegra_cpu_die(unsigned int cpu)
        BUG();
 }
 
-int tegra_cpu_disable(unsigned int cpu)
-{
-       /*
-        * we don't allow CPU 0 to be shutdown (it is still too special
-        * e.g. clock tick interrupts)
-        */
-       return cpu == 0 ? -EPERM : 0;
-}
-
 #ifdef CONFIG_ARCH_TEGRA_2x_SOC
 extern void tegra20_hotplug_shutdown(void);
 void __init tegra20_hotplug_init(void)

diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 2c6b3d5..ec33ec8 100644 (file)
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -192,6 +192,5 @@ struct smp_operations tegra_smp_ops __initdata = {
 #ifdef CONFIG_HOTPLUG_CPU
        .cpu_kill               = tegra_cpu_kill,
        .cpu_die                = tegra_cpu_die,
-       .cpu_disable            = tegra_cpu_disable,
 #endif
 };