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drivers/power/activity_governor.c: Fix timer can't start when meet very small pmtick.

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ligd
2019-11-12 08:18:32 -06:00
committed by Gregory Nutt
parent 64aff3bf6d
commit a3646986ea
1 changed files with 6 additions and 2 deletions
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drivers/power/activity_governor.c
+6 -2
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@@ -594,12 +594,16 @@ static void governor_timer(int domain)
pdomstate->wdog = wd_create(); pdomstate->wdog = wd_create();
} }
if (state < PM_SLEEP && !pdom->stay[pdom->state] && if (state < PM_SLEEP && !pdom->stay[pdom->state])
pmtick[state])
{ {
int delay = pmtick[state] + pdomstate->btime - clock_systimer(); int delay = pmtick[state] + pdomstate->btime - clock_systimer();
int left = wd_gettime(pdomstate->wdog); int left = wd_gettime(pdomstate->wdog);
if (delay <= 0)
{
delay = 1;
}
if (!WDOG_ISACTIVE(pdomstate->wdog) || abs(delay - left) > PM_TIMER_GAP) if (!WDOG_ISACTIVE(pdomstate->wdog) || abs(delay - left) > PM_TIMER_GAP)
{ {
wd_start(pdomstate->wdog, delay, governor_timer_cb, 0); wd_start(pdomstate->wdog, delay, governor_timer_cb, 0);