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rx6110sa: Make sure that VLF bit will be cleared 

Ensure that the VLF bit will be cleared after a power loss event even if
the stopwatch has expired before the code to clear the bit is reached.

Change-Id: Ib2cfdabf4cd4df834395d6a102c6ae70568e71db
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/20893
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Mario Scheithauer <mario.scheithauer@siemens.com>
This commit is contained in:
Werner Zeh 2017-08-07 08:59:13 +02:00
parent 189909ea76
commit 85227a27fb
1 changed files with 2 additions and 1 deletions
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3
src/drivers/i2c/rx6110sa/rx6110sa.c
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@ -163,7 +163,8 @@ static void rx6110sa_init(struct device *dev)
* VLF-bit can be cleared. * VLF-bit can be cleared.
*/ */
while (!stopwatch_expired(&sw)) while (!stopwatch_expired(&sw))
flags &= ~VLF_BIT; ;
flags &= ~VLF_BIT;
rx6110sa_write(dev, FLAG_REGISTER, flags); rx6110sa_write(dev, FLAG_REGISTER, flags);
/* Before setting the clock stop oscillator. */ /* Before setting the clock stop oscillator. */