From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Thu, 18 Apr 2013 17:04:09 +0000 (+0100)
Subject: ARM: tegra: remove tegra specific cpu_disable()
X-Git-Tag: v3.10-rc1~106^2~1^6~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=da2265b130f6b5be3b874bb2832335887fe59461;p=profile%2Fivi%2Fkernel-x86-ivi.git

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
--- 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
--- 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
--- 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
 };