summaryrefslogtreecommitdiffstats
path: root/drivers/regulator
diff options
context:
space:
mode:
authorTim Harvey <tharvey@gateworks.com>2013-11-05 21:17:25 -0800
committerMark Brown <broonie@linaro.org>2013-12-09 17:19:30 +0000
commit236c427cbc990e03ec8b39ce8ee9220705daeff9 (patch)
tree42c53b6eccd48940f44afbd81006ee9786d2233c /drivers/regulator
parenta1b6fa85c639ad0d5447d1a5e7d1463bbe29fcd3 (diff)
downloadop-kernel-dev-236c427cbc990e03ec8b39ce8ee9220705daeff9.zip
op-kernel-dev-236c427cbc990e03ec8b39ce8ee9220705daeff9.tar.gz
regulator: pfuze100: allow misprogrammed ID
prior to week 08 of 2013 Freescale misprogrammed between 1 and 3% of PFUZE1000 parts with a ID=0x8 instead of the expected ID=0x0 Signed-off-by: Tim Harvey <tharvey@gateworks.com> Signed-off-by: Mark Brown <broonie@linaro.org> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/pfuze100-regulator.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index 565a631..8b5e4c7 100644
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -308,9 +308,15 @@ static int pfuze_identify(struct pfuze_chip *pfuze_chip)
if (ret)
return ret;
- if (value & 0x0f) {
- dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value);
- return -ENODEV;
+ switch (value & 0x0f) {
+ /* Freescale misprogrammed 1-3% of parts prior to week 8 of 2013 as ID=8 */
+ case 0x8:
+ dev_info(pfuze_chip->dev, "Assuming misprogrammed ID=0x8");
+ case 0x0:
+ break;
+ default:
+ dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value);
+ return -ENODEV;
}
ret = regmap_read(pfuze_chip->regmap, PFUZE100_REVID, &value);
OpenPOWER on IntegriCloud