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video, da8xx-fb: fix time out in wait_for_event()

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If an event does not occur the current coding stays in an endless loop.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2018-03-18 14:48:06 +01:00 committed by Anatolij Gustschin
parent 348f044fda
commit c16b342d90
1 changed files with 3 additions and 2 deletions
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5
drivers/video/da8xx-fb.c
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@ -853,9 +853,10 @@ static u32 wait_for_event(u32 event)
do {
ret = lcdc_irq_handler();
udelay(1000);
} while (!(ret & event));
--timeout;
} while (!(ret & event) && timeout);
if (timeout <= 0) {
if (!(ret & event)) {
printf("%s: event %d not hit\n", __func__, event);
return -1;
}