CPU LED trigger: add hooks to generic code so that it works on x86

Pavel Machek
2015-05-27T06:57:17Z

CPU LED trigger hooks are currently hidden in arm-specific code, which
means that this trigger only works on arm. Add it to the generic
code, so that it works on x86, too.

Signed-off-by: Pavel Machek <pavel@ucw.cz>

diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index fefcb1f..087acd6 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -8,6 +8,7 @@
#include <linux/mm.h>
#include <linux/stackprotector.h>
#include <linux/suspend.h>
+#include <linux/leds.h>

#include <asm/tlb.h>

@@ -232,6 +233,7 @@ static void cpu_idle_loop(void)
}

local_irq_disable();
+ ledtrig_cpu(CPU_LED_IDLE_START);
arch_cpu_idle_enter();

/*
@@ -249,6 +251,7 @@ static void cpu_idle_loop(void)
cpuidle_idle_call();

arch_cpu_idle_exit();
+ ledtrig_cpu(CPU_LED_IDLE_END);
}

/*