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Nikita Yushchenko 756d9ad548 UPSTREAM: regmap: fix deadlock on _regmap_raw_write() error path

Commit 815806e39b ("regmap: drop cache if the bus transfer error")
added a call to regcache_drop_region() to error path in
_regmap_raw_write(). However that path runs with regmap lock taken,
and regcache_drop_region() tries to re-take it, causing a deadlock.
Fix that by calling map->cache_ops->drop() directly.

Change-Id: I55c6d3ed490c47e8b3f5ca774d051a700f707b6e
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
(cherry picked from git.kernel.org broonie/regmap.git for-next
 commit f0aa1ce625)

2016-09-23 10:05:03 +08:00

internal.h

Merge tag 'driver-core-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2015-11-04 21:50:37 -08:00

Kconfig

regmap: ac97: Add generic AC'97 callbacks

2014-11-19 10:28:14 +00:00

Makefile

regmap: Move tracing header into drivers/base/regmap

2015-03-19 22:22:45 +00:00

regcache-flat.c

regmap: cache: Sort include headers alphabetically