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authorKevin Hilman <khilman@deeprootsystems.com>2010-10-01 22:13:47 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-10-08 10:02:24 +0100
commitc7b0aff44a0740eedd31b759fd08d9e25672fa76 (patch)
tree02991fc91b0733c6b0f2ce8de2d0741b5ff43ef6 /arch/arm/include
parent7511db9d25080d53e5427bf4b8849278c07019bc (diff)
ARM: 6428/1: add cpu_idle_wait() to support CPUidle on SMP systems.
In order for CPUidle to work on SMP systems, an implementation of cpu_idle_wait() is needed. This patch duplicates the x86 implementation of cpu_idle_wait() for ARM. Tested-by: Colin Cross <ccross@android.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/system.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 8ba1ccf82a0..48e360c7432 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -325,6 +325,8 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
extern void disable_hlt(void);
extern void enable_hlt(void);
+void cpu_idle_wait(void);
+
#include <asm-generic/cmpxchg-local.h>
#if __LINUX_ARM_ARCH__ < 6