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clocksource/drivers/vf-pit: Encapsulate set counter function

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Encapsulate the writel() calls to set the counter into a
self-explainatory function.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20250804152344.1109310-16-daniel.lezcano@linaro.org
This commit is contained in:
Daniel Lezcano
2025-08-04 17:23:33 +02:00
parent 13cea8527c
commit 46e83e4afc
1 changed files with 7 additions and 2 deletions
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9
drivers/clocksource/timer-vf-pit.c
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@@ -74,6 +74,11 @@ static inline void pit_timer_disable(struct pit_timer *pit)
writel(0, PITTCTRL(pit->clkevt_base));
}
static inline void pit_timer_set_counter(void __iomem *base, unsigned int cnt)
{
writel(cnt, PITLDVAL(base));
}
static inline void pit_clocksource_enable(struct pit_timer *pit)
{
writel(PITTCTRL_TEN, PITTCTRL(pit->clksrc_base));
@@ -118,7 +123,7 @@ static int __init pit_clocksource_init(struct pit_timer *pit, const char *name,
/* set the max load value and start the clock source counter */
pit_clocksource_disable(pit);
writel(~0, PITLDVAL(pit->clksrc_base));
pit_timer_set_counter(pit->clksrc_base, ~0);
pit_clocksource_enable(pit);
sched_clock_base = pit->clksrc_base + PITCVAL_OFFSET;
@@ -139,7 +144,7 @@ static int pit_set_next_event(unsigned long delta, struct clock_event_device *ce
* hardware requirement.
*/
pit_timer_disable(pit);
writel(delta - 1, PITLDVAL(pit->clkevt_base));
pit_timer_set_counter(pit->clkevt_base, delta - 1);
pit_timer_enable(pit);
return 0;