tree cab9d331c2d2d16be6e360bf70d2a5255f51adf5
parent 52ef84d566dc145b4d469f06667c5fa3118fdd44
author Adam Ward <adam.ward.opensource@diasemi.com> 1429213526 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1429275840 -0400

drivers/rtc/rtc-da9052.c: add extra reads with timeouts to avoid returning partially updated values

The RTC is in a different clock domain so a quick read after write
can retrieve a mangled value of the old/new values

Signed-off-by: Adam Ward <adam.ward.opensource@diasemi.com>
Tested-by: Adam Ward <adam.ward.opensource@diasemi.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>