* [U-Boot] [PATCH 1/1] video, da8xx-fb: fix time out in wait_for_event()
@ 2018-03-18 13:48 Heinrich Schuchardt
2018-03-19 9:18 ` Anatolij Gustschin
0 siblings, 1 reply; 2+ messages in thread
From: Heinrich Schuchardt @ 2018-03-18 13:48 UTC (permalink / raw)
To: u-boot
If an event does not occur the current coding stays in an endless loop.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
drivers/video/da8xx-fb.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 6ec4f89e34..26db73b138 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -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;
}
--
2.16.2
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2018-03-18 13:48 [U-Boot] [PATCH 1/1] video, da8xx-fb: fix time out in wait_for_event() Heinrich Schuchardt
2018-03-19 9:18 ` Anatolij Gustschin
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