gpio: omap: simplify omap_gpio_get_direction()

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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>

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Russell King 2019-06-10 20:10:50 +03:00 • committed by Linus Walleij

parent dfbc6c7a1d

commit 40bb2273a2

1 changed files with 3 additions and 10 deletions

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drivers/gpio/gpio-omap.c

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