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(parent: dfbc6c7) | patch
gpio: omap: simplify omap_gpio_get_direction()
authorRussell King <rmk+kernel@armlinux.org.uk>
Mon, 10 Jun 2019 17:10:50 +0000 (20:10 +0300)
committerLinus Walleij <linus.walleij@linaro.org>
Wed, 12 Jun 2019 09:13:41 +0000 (11:13 +0200)
commit40bb2273a263ada2e563e1e601940e60bf7e53da
tree0d49ce63bd7d4f567f252c6db8521ec98f0826d2tree | snapshot
parentdfbc6c7a1d25e933fbb6436fa8d9d28589955cf7commit | diff
gpio: omap: simplify omap_gpio_get_direction()

Architectures are single-copy atomic, which means that simply reading
a register is an inherently atomic operation.  There is no need to
take a spinlock here.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-omap.c diff | blob | history
Domain: System / Kernel;