projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 446f59a) | patch
gpio: pch: Optimize pch_gpio_get()
authorJean Delvare <jdelvare@suse.de>
Tue, 5 Jan 2016 13:23:47 +0000 (14:23 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Tue, 5 Jan 2016 14:46:34 +0000 (15:46 +0100)
commit166814d8413df49bf21293aacc808b2782cbd9a8
tree5eb75448791b058dbd5e3b8d01511fa76b4bf56atree | snapshot (tar.gz zip)
parent446f59acb70b70a425ea4105277a71eb615327cdcommit | diff
gpio: pch: Optimize pch_gpio_get()

The double negation is costly and can be avoided by shifting the
register value before masking the requested bit.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-pch.c diff | blob | blame | history