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authorTim Harvey <tharvey@gateworks.com>2013-11-05 21:17:25 -0800
committerMark Brown <broonie@linaro.org>2013-11-14 12:32:27 +0000
commit88baf7148e899db7e0b676e4363647f50e48eaed (patch)
tree60276c50712784b3eb841a47438f84a2bc712a5e
parentd4d5cef649d1042454c286474343cec50ff1cb60 (diff)
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
-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 ba67b2c4e2e7..032df3799efb 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);