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authorSteve Twiss <stwiss.opensource@diasemi.com>2019-02-26 16:35:35 +0100
committerMark Brown <broonie@kernel.org>2019-03-13 16:11:55 +0100
commitf132da2534ec6599c78c4adcef15340cff2e9dd9 (patch)
treed9e011faaca74d8f443173417d935bbbde7662ad /drivers/regulator/ltc3676.c
parentregulator: lp8755: Fix notifier mutex lock warning (diff)
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regulator: ltc3589: Fix notifier mutex lock warning
The mutex for the regulator_dev must be controlled by the caller of the regulator_notifier_call_chain(), as described in the comment for that function. Failure to mutex lock and unlock surrounding the notifier call results in a kernel WARN_ON_ONCE() which will dump a backtrace for the regulator_notifier_call_chain() when that function call is first made. The mutex can be controlled using the regulator_lock/unlock() API. Fixes: 3eb2c7ecb7ea ("regulator: Add LTC3589 support") Suggested-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/ltc3676.c')
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