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path: root/drivers/clocksource/vt8500_timer.c
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Diffstat (limited to 'drivers/clocksource/vt8500_timer.c')
-rw-r--r--drivers/clocksource/vt8500_timer.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/clocksource/vt8500_timer.c b/drivers/clocksource/vt8500_timer.c
index a92e94b40b5b..ddb409274f45 100644
--- a/drivers/clocksource/vt8500_timer.c
+++ b/drivers/clocksource/vt8500_timer.c
@@ -30,7 +30,6 @@
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <linux/delay.h>
-#include <asm/mach/time.h>
#include <linux/of.h>
#include <linux/of_address.h>
@@ -50,6 +49,8 @@
#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t)
+#define MIN_OSCR_DELTA 16
+
static void __iomem *regbase;
static cycle_t vt8500_timer_read(struct clocksource *cs)
@@ -80,7 +81,7 @@ static int vt8500_timer_set_next_event(unsigned long cycles,
cpu_relax();
writel((unsigned long)alarm, regbase + TIMER_MATCH_VAL);
- if ((signed)(alarm - clocksource.read(&clocksource)) <= 16)
+ if ((signed)(alarm - clocksource.read(&clocksource)) <= MIN_OSCR_DELTA)
return -ETIME;
writel(1, regbase + TIMER_IER_VAL);
@@ -151,7 +152,7 @@ static void __init vt8500_timer_init(struct device_node *np)
pr_err("%s: setup_irq failed for %s\n", __func__,
clockevent.name);
clockevents_config_and_register(&clockevent, VT8500_TIMER_HZ,
- 4, 0xf0000000);
+ MIN_OSCR_DELTA * 2, 0xf0000000);
}
CLOCKSOURCE_OF_DECLARE(vt8500, "via,vt8500-timer", vt8500_timer_init);