diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2018-03-18 16:48:06 +0300 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2018-03-19 11:49:20 +0300 |
| commit | c16b342d90a1d0b388314889560aa3bd50823df9 (patch) | |
| tree | d4c7d5bad8950884b8a8b008da839dfc28d7ee2b /drivers/video | |
| parent | 348f044fdabbb94c00a356553d42dfb229f6589d (diff) | |
| download | u-boot-c16b342d90a1d0b388314889560aa3bd50823df9.tar.xz | |
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>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/da8xx-fb.c | 5 |
1 files 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; } |