diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2013-12-19 15:08:03 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-12-19 15:08:32 +0100 |
| commit | e23c34bb41da65f354fb7eee04300c56ee48f60c (patch) | |
| tree | 549fbe449d55273b81ef104a9755109bf4ae7817 /drivers/clocksource/sun4i_timer.c | |
| parent | b481c2cb3534c85dca625973b33eba15f9af3e4c (diff) | |
| parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) | |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply fixes on top of newer things
in tree (efi-stub).
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/clocksource/sun4i_timer.c')
| -rw-r--r-- | drivers/clocksource/sun4i_timer.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c index 8ead0258740a..2fb4695a28d8 100644 --- a/drivers/clocksource/sun4i_timer.c +++ b/drivers/clocksource/sun4i_timer.c @@ -37,6 +37,8 @@ #define TIMER_INTVAL_REG(val) (0x10 * (val) + 0x14) #define TIMER_CNTVAL_REG(val) (0x10 * (val) + 0x18) +#define TIMER_SYNC_TICKS 3 + static void __iomem *timer_base; static u32 ticks_per_jiffy; @@ -50,7 +52,7 @@ static void sun4i_clkevt_sync(void) { u32 old = readl(timer_base + TIMER_CNTVAL_REG(1)); - while ((old - readl(timer_base + TIMER_CNTVAL_REG(1))) < 3) + while ((old - readl(timer_base + TIMER_CNTVAL_REG(1))) < TIMER_SYNC_TICKS) cpu_relax(); } @@ -104,7 +106,7 @@ static int sun4i_clkevt_next_event(unsigned long evt, struct clock_event_device *unused) { sun4i_clkevt_time_stop(0); - sun4i_clkevt_time_setup(0, evt); + sun4i_clkevt_time_setup(0, evt - TIMER_SYNC_TICKS); sun4i_clkevt_time_start(0, false); return 0; @@ -131,7 +133,7 @@ static irqreturn_t sun4i_timer_interrupt(int irq, void *dev_id) static struct irqaction sun4i_timer_irq = { .name = "sun4i_timer0", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .flags = IRQF_TIMER | IRQF_IRQPOLL, .handler = sun4i_timer_interrupt, .dev_id = &sun4i_clockevent, }; @@ -187,8 +189,8 @@ static void __init sun4i_timer_init(struct device_node *node) sun4i_clockevent.cpumask = cpumask_of(0); - clockevents_config_and_register(&sun4i_clockevent, rate, 0x1, - 0xffffffff); + clockevents_config_and_register(&sun4i_clockevent, rate, + TIMER_SYNC_TICKS, 0xffffffff); } CLOCKSOURCE_OF_DECLARE(sun4i, "allwinner,sun4i-timer", sun4i_timer_init); |