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| author | Thomas Gleixner <tglx@linutronix.de> | 2012-05-07 17:59:51 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-05-08 12:35:07 +0200 |
| commit | 86627c93b35082f7a0e4d3111546943984b932c7 (patch) | |
| tree | c7d2ffa4230662d90d67fe3c409b7f686f6dd196 | |
| parent | c9b92b840705542a1ae50b5407154a5595d17359 (diff) | |
| download | linux-86627c93b35082f7a0e4d3111546943984b932c7.tar.gz linux-86627c93b35082f7a0e4d3111546943984b932c7.tar.bz2 linux-86627c93b35082f7a0e4d3111546943984b932c7.zip | |
sh: Remove cpu_idle_wait()
cpuidle uses generic kick_all_cpus_sync() now. Remove the unused code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Link: http://lkml.kernel.org/r/20120507175652.461648208@linutronix.de
| -rw-r--r-- | arch/sh/Kconfig | 3 | ||||
| -rw-r--r-- | arch/sh/include/asm/processor.h | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/idle.c | 20 |
3 files changed, 0 insertions, 24 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 244cfd0dbb7b..04a8cb4700af 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -153,9 +153,6 @@ config ARCH_NO_VIRT_TO_BUS config ARCH_HAS_DEFAULT_IDLE def_bool y -config ARCH_HAS_CPU_IDLE_WAIT - def_bool y - config NO_IOPORT def_bool !PCI depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h index 6d87912415a7..6dbc1be28a0f 100644 --- a/arch/sh/include/asm/processor.h +++ b/arch/sh/include/asm/processor.h @@ -98,7 +98,6 @@ extern struct sh_cpuinfo cpu_data[]; #define cpu_relax() barrier() void default_idle(void); -void cpu_idle_wait(void); void stop_this_cpu(void *); /* Forward decl */ diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c index ee226e20c20c..0c910163caa3 100644 --- a/arch/sh/kernel/idle.c +++ b/arch/sh/kernel/idle.c @@ -132,10 +132,6 @@ void __init select_idle_routine(void) pm_idle = poll_idle; } -static void do_nothing(void *unused) -{ -} - void stop_this_cpu(void *unused) { local_irq_disable(); @@ -144,19 +140,3 @@ void stop_this_cpu(void *unused) for (;;) cpu_sleep(); } - -/* - * 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); |