video, da8xx-fb: fix time out in wait_for_event()
If an event does not occur the current coding stays in an endless loop.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 6ec4f89..26db73b 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -853,9 +853,10 @@
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;
}