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x86/apb/timer: Use proper mask to modify hotplug action

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Magic hex constants are a guarantee for wreckage when the defines change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2016-03-19 11:41:42 +01:00
parent 3e8db2246b
commit a38f98735e
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/apb_timer.c
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@ -221,7 +221,7 @@ static int apbt_cpuhp_notify(struct notifier_block *n,
unsigned long cpu = (unsigned long)hcpu;
struct apbt_dev *adev = &per_cpu(cpu_apbt_dev, cpu);
switch (action & 0xf) {
switch (action & ~CPU_TASKS_FROZEN) {
case CPU_DEAD:
dw_apb_clockevent_pause(adev->timer);
if (system_state == SYSTEM_RUNNING) {