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ARM: OMAP2+: wakeupgen: Add comment for unhandled FROZEN transitions

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FROZEN hotplug notifiers are not handled and do not have to be. Insert
a comment to remember that the lack of the FROZEN transitions is no
accident.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Anna-Maria Gleixner 2016-04-04 14:55:17 +02:00 committed by Tony Lindgren
parent dac4fba2cd
commit 814a9586fd
1 changed files with 5 additions and 0 deletions
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5
arch/arm/mach-omap2/omap-wakeupgen.c
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@ -320,6 +320,11 @@ static int irq_cpu_hotplug_notify(struct notifier_block *self,
{
unsigned int cpu = (unsigned int)hcpu;
/*
* Corresponding FROZEN transitions do not have to be handled,
* they are handled by at a higher level
* (drivers/cpuidle/coupled.c).
*/
switch (action) {
case CPU_ONLINE:
wakeupgen_irqmask_all(cpu, 0);