diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2012-05-07 17:59:50 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-05-08 12:35:06 +0200 |
| commit | bbe78cbd729f85c4da6e04f45c8b2de43c3573f1 (patch) | |
| tree | 41770e965d9724f4059cf20f03c1afc056900e7d | |
| parent | arm: Remove unused cpu_idle_wait() (diff) | |
| download | linux-dev-bbe78cbd729f85c4da6e04f45c8b2de43c3573f1.tar.xz linux-dev-bbe78cbd729f85c4da6e04f45c8b2de43c3573f1.zip | |
ia64: Remove unused cpu_idle_wait()
IA64 does not set CONFIG_ARCH_HAVE_IDLE_WAIT and 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: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/20120507175652.392394511@linutronix.de
| -rw-r--r-- | arch/ia64/include/asm/processor.h | 1 | ||||
| -rw-r--r-- | arch/ia64/kernel/process.c | 20 |
2 files changed, 0 insertions, 21 deletions
diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h index 483f6c6a4238..f92f67aba618 100644 --- a/arch/ia64/include/asm/processor.h +++ b/arch/ia64/include/asm/processor.h @@ -723,7 +723,6 @@ extern unsigned long boot_option_idle_override; enum idle_boot_override {IDLE_NO_OVERRIDE=0, IDLE_HALT, IDLE_FORCE_MWAIT, IDLE_NOMWAIT, IDLE_POLL}; -void cpu_idle_wait(void); void default_idle(void); #define ia64_platform_is(x) (strcmp(x, platform_name) == 0) diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index ce74e143aea3..5e0e86ddb12f 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -273,26 +273,6 @@ static inline void play_dead(void) } #endif /* CONFIG_HOTPLUG_CPU */ -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); - void __attribute__((noreturn)) cpu_idle (void) { |