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| author | Tim Harvey <tharvey@gateworks.com> | 2013-11-05 21:17:25 -0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-11-14 12:32:27 +0000 |
| commit | 88baf7148e899db7e0b676e4363647f50e48eaed (patch) | |
| tree | 60276c50712784b3eb841a47438f84a2bc712a5e /drivers/regulator | |
| parent | d4d5cef649d1042454c286474343cec50ff1cb60 (diff) | |
| download | linux-stable-88baf7148e899db7e0b676e4363647f50e48eaed.tar.gz linux-stable-88baf7148e899db7e0b676e4363647f50e48eaed.tar.bz2 linux-stable-88baf7148e899db7e0b676e4363647f50e48eaed.zip | |
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.c | 12 |
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); |