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authorFrancois Berder <Francois.Berder@imgtec.com>2016-10-25 15:24:13 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-27 17:42:31 +0300
commit03842c17397e14cb8bb1adc2015f5dce6c733ffe (patch)
treeda2b5574afe85eac58b3d82ed73fac98b8ead2da /drivers/tty/vt
parentc03e1b8703a4a0c8bac7f6b65d8fcb539ec62d82 (diff)
downloadlinux-03842c17397e14cb8bb1adc2015f5dce6c733ffe.tar.xz
sc16is7xx: always write state when configuring GPIO as an output
The regmap_update first reads the IOState register and then triggers a write if needed. However, GPIOS might be configured as an input so the read to IOState on this GPIO is the current state which might be random. Signed-off-by: Francois Berder <Francois.Berder@imgtec.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/vt')
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