Commit b8824dfe authored Jul 17, 2013 by Lorenzo Pieralisi

arm64: kernel: add CPU idle call



When CPU idle is enabled, the architectural idle call should go through
the idle subsystem to allow CPUs to enter idle states defined
by the platform CPU idle back-end operations.

This patch, mirroring other archs behaviour, adds the CPU idle call to the
architectural arch_cpu_idle implementation for arm64.

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

parent 1f85008e

arch/arm64/kernel/process.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@
		#include <linux/kallsyms.h>
		#include <linux/init.h>
		#include <linux/cpu.h>
		#include <linux/cpuidle.h>
		#include <linux/elfcore.h>
		#include <linux/pm.h>
		#include <linux/tick.h>
		@@ -98,9 +99,11 @@ void arch_cpu_idle(void)
		* This should do all the clock switching and wait for interrupt
		* tricks
		*/
		if (cpuidle_idle_call()) {
		cpu_do_idle();
		local_irq_enable();
		}
		}

		#ifdef CONFIG_HOTPLUG_CPU
		void arch_cpu_idle_dead(void)

Admin message