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authorSteve Twiss <stwiss.opensource@diasemi.com>2019-02-26 15:42:50 +0000
committerMark Brown <broonie@kernel.org>2019-03-13 15:12:23 +0000
commitf58213637206e190453e3bd91f98f535566290a3 (patch)
treed50a21a0f5e80fd8f88f21de13bb415b6b7db304 /drivers/regulator/Kconfig
parentregulator: ltc3676: Fix notifier mutex lock warning (diff)
downloadlinux-dev-f58213637206e190453e3bd91f98f535566290a3.tar.xz
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regulator: pv88060: 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: f307a7e9b7af ("regulator: pv88060: new regulator driver") 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/Kconfig')
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