sh: Remove cpu_idle_wait() (86627c93) · Commits · 戴 / test

arch/sh/Kconfig

+0 −3

Original line number	Diff line number	Diff line
		@@ -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

+0 −1

Original line number	Diff line number	Diff line
		@@ -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 */

+0 −20

Original line number	Diff line number	Diff line
		@@ -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);