clocksource: arm_generic: use this_cpu_ptr per-cpu helper

[~andy/linux] / drivers / clocksource / arm_generic.c

diff --git a/drivers/clocksource/arm_generic.c b/drivers/clocksource/arm_generic.c
index c4d9f9566c649ae3d8623493901e5b9302f59f66..c210f4f1ecfdc0724d537fdd5ca6acd3e15e6b61 100644 (file)
--- a/drivers/clocksource/arm_generic.c
+++ b/drivers/clocksource/arm_generic.c
@@ -127,7 +127,7 @@ static void __init arch_timer_calibrate(void)
 
        /* Cache the sched_clock multiplier to save a divide in the hot path. */
 
-       sched_clock_mult = NSEC_PER_SEC / arch_timer_rate;
+       sched_clock_mult = DIV_ROUND_CLOSEST(NSEC_PER_SEC, arch_timer_rate);
 
        pr_info("Architected local timer running at %u.%02uMHz.\n",
                 arch_timer_rate / 1000000, (arch_timer_rate / 10000) % 100);
@@ -221,10 +221,10 @@ int __init arm_generic_timer_init(void)
        clocksource_register_hz(&clocksource_counter, arch_timer_rate);
 
        /* Calibrate the delay loop directly */
-       lpj_fine = arch_timer_rate / HZ;
+       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);