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| author |   Lothar Waßmann <LW@KARO-electronics.de> | 2013-08-13 16:00:56 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-08-13 17:57:48 -0700 |
| commit | 28a0c88312973792f439493d801ceac61baae9b3 (patch) | |
| tree | 64cf598f048c5db0c9cfc9d6c453946fee19cd0b /fs | |
| parent | hugetlb: fix lockdep splat caused by pmd sharing (diff) | |
| download | linux-dev-28a0c88312973792f439493d801ceac61baae9b3.tar.xz linux-dev-28a0c88312973792f439493d801ceac61baae9b3.zip | |
drivers/rtc/rtc-stmp3xxx.c: provide timeout for potentially endless loop polling a HW bit
It's always a bad idea to poll on HW bits without a timeout.
The i.MX28 RTC can be easily brought into a state in which the RTC is
not running (until after a power-on-reset) and thus the status bits
which are polled in the driver won't ever change.
This patch prevents the kernel from getting stuck in this case.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions