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Diffstat (limited to 'arch/arm/mach-tegra/hotplug.c')
-rw-r--r--arch/arm/mach-tegra/hotplug.c33
1 files changed, 9 insertions, 24 deletions
diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c
index a599f6e36dea..184914a68d73 100644
--- a/arch/arm/mach-tegra/hotplug.c
+++ b/arch/arm/mach-tegra/hotplug.c
@@ -1,8 +1,7 @@
/*
- *
* Copyright (C) 2002 ARM Ltd.
* All Rights Reserved
- * Copyright (c) 2010, 2012 NVIDIA Corporation. All rights reserved.
+ * Copyright (c) 2010, 2012-2013, NVIDIA Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -12,9 +11,9 @@
#include <linux/smp.h>
#include <linux/clk/tegra.h>
-#include <asm/cacheflush.h>
#include <asm/smp_plat.h>
+#include "fuse.h"
#include "sleep.h"
static void (*tegra_hotplug_shutdown)(void);
@@ -47,27 +46,13 @@ 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)
+void __init tegra_hotplug_init(void)
{
- tegra_hotplug_shutdown = tegra20_hotplug_shutdown;
-}
-#endif
+ if (!IS_ENABLED(CONFIG_HOTPLUG_CPU))
+ return;
-#ifdef CONFIG_ARCH_TEGRA_3x_SOC
-extern void tegra30_hotplug_shutdown(void);
-void __init tegra30_hotplug_init(void)
-{
- tegra_hotplug_shutdown = tegra30_hotplug_shutdown;
+ if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && tegra_chip_id == TEGRA20)
+ tegra_hotplug_shutdown = tegra20_hotplug_shutdown;
+ if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) && tegra_chip_id == TEGRA30)
+ tegra_hotplug_shutdown = tegra30_hotplug_shutdown;
}
-#endif