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authorThomas Gleixner2012-05-07 17:59:49 +0000
committerThomas Gleixner2012-05-08 12:35:06 +0200
commit448eca90932d97856b6a6097fc50eef96d77dec0 (patch)
tree75a2f19fca8e20eb5c8340be6cb2a49eaeb6dde4 /arch/arm/kernel/process.c
parent85f7f656274fa0ba109dd8774db3887d42de5c6b (diff)
arm: Remove unused cpu_idle_wait()
cpuidle uses a generic function now. Remove the unused code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russell King <linux@arm.linux.org.uk> Link: http://lkml.kernel.org/r/20120507175652.260797846@linutronix.de
Diffstat (limited to 'arch/arm/kernel/process.c')
-rw-r--r--arch/arm/kernel/process.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 2b7b017a20cd..19c95ea65b2f 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -157,26 +157,6 @@ EXPORT_SYMBOL(pm_power_off);
void (*arm_pm_restart)(char str, const char *cmd) = null_restart;
EXPORT_SYMBOL_GPL(arm_pm_restart);
-static void do_nothing(void *unused)
-{
-}
-
-/*
- * cpu_idle_wait - Used to ensure that all the CPUs discard old value of
- * pm_idle and update to new pm_idle value. Required while changing pm_idle
- * handler on SMP systems.
- *
- * Caller must have changed pm_idle to the new value before the call. Old
- * pm_idle value will not be used by any CPU after the return of this function.
- */
-void cpu_idle_wait(void)
-{
- smp_mb();
- /* kick all the CPUs so that they exit out of pm_idle */
- smp_call_function(do_nothing, NULL, 1);
-}
-EXPORT_SYMBOL_GPL(cpu_idle_wait);
-
/*
* This is our default idle handler.
*/