clocksource: arm_generic: use this_cpu_ptr per-cpu helper

Utilize this_cpu_ptr() instead of per_cpu_ptr(...,smp_processor_id())

Signed-off-by: Shan Wei <davidshan@tencent.com>
Reviewed-by: Christoph Lameter <cl@linux.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>

diff --git a/drivers/clocksource/arm_generic.c b/drivers/clocksource/arm_generic.c
index 6cd1b30..c210f4f 100644 (file)
--- a/drivers/clocksource/arm_generic.c
+++ b/drivers/clocksource/arm_generic.c
@@ -224,7 +224,7 @@ int __init arm_generic_timer_init(void)
        lpj_fine = DIV_ROUND_CLOSEST(arch_timer_rate, HZ);
 
        /* Immediately configure the timer on the boot CPU */
-       arch_timer_setup(per_cpu_ptr(&arch_timer_evt, smp_processor_id()));
+       arch_timer_setup(this_cpu_ptr(&arch_timer_evt));
 
        register_cpu_notifier(&arch_timer_cpu_nb);