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(parent: 45a291e) | patch
pinctrl: microchip-sgpio: lock RMW access
authorMichael Walle <michael@walle.cc>
Sat, 26 Feb 2022 20:45:03 +0000 (21:45 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 8 Apr 2022 12:06:26 +0000 (14:06 +0200)
commit91fd2cd49528b30dd036d8efd6bccbffab33f5d1
tree7a7f77c344dd02a43f5d2b77a09d781fc30afbd9tree | snapshot
parent45a291ef12b60845e598a5f567f9302c644d5d4bcommit | diff
pinctrl: microchip-sgpio: lock RMW access

[ Upstream commit 7996c5f5ec7a20b3f6b8fae93fcf3cb8f1c01743 ]

Protect any RMW access to the registers by a spinlock.

Fixes: 7e5ea974e61c ("pinctrl: pinctrl-microchip-sgpio: Add pinctrl driver for Microsemi Serial GPIO")
Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20220226204507.2511633-2-michael@walle.cc
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/pinctrl/pinctrl-microchip-sgpio.c diff | blob | history
wrapfs-5.16.y