Commit 122d7168 authored Jul 03, 2020 by Tengfei Fan Committed by Gerrit - the friendly Code Review server Jul 03, 2020

arm: Call idle notifiers in CPU idle



When CPU idle is enabled, the idle cal should also notifiy the
idle_notifier_call_chain of the change in status. Otherwise
some processes will think the CPU is always active.

Change-Id: I2fdfcae070d8f71b477adcb511a225f4eb8658f8
Signed-off-by: Tengfei Fan <tengfeif@codeaurora.org>

parent 6f89af04

arch/arm/kernel/process.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,7 @@ void arch_cpu_idle_prepare(void)

		void arch_cpu_idle_enter(void)
		{
		idle_notifier_call_chain(IDLE_START);
		ledtrig_cpu(CPU_LED_IDLE_START);
		#ifdef CONFIG_PL310_ERRATA_769419
		wmb();
		@@ -90,6 +91,7 @@ void arch_cpu_idle_enter(void)

		void arch_cpu_idle_exit(void)
		{
		idle_notifier_call_chain(IDLE_END);
		ledtrig_cpu(CPU_LED_IDLE_END);
		}