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serial: samsung: Remove useless spinlock
authorMarek Szyprowski <m.szyprowski@samsung.com>
Mon, 3 Apr 2017 06:21:01 +0000 (08:21 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 8 Apr 2017 16:58:52 +0000 (18:58 +0200)
commit469f813ffe1ab74a9115dbd06ea3026e50ea6a54
tree95c648d13e92bc489adbafddb4c8a782106ed0cdtree | snapshot
parent500fcc08a32bfd54f11951ba81530775df15c474commit | diff
serial: samsung: Remove useless spinlock

Spinlock taken only for dma_map_single() for TX buffer is completely
useless and doesn't protect anything, so remove it to simplify the code.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/samsung.c diff | blob | blame | history
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