gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit
authorGeert Uytterhoeven <geert+renesas@glider.be>
Fri, 11 Mar 2016 16:31:27 +0000 (17:31 +0100)
committerLinus Walleij <linus.walleij@linaro.org>
Wed, 16 Mar 2016 12:03:14 +0000 (13:03 +0100)
commite0a8604f1300cefab4aeafe214fc57954a7b4487
treea05f0d32f515ebcd9ba1fd00d498d0123707f805
parente5f7e3121429c7b1ce6d759150b5bf936ddd2080
gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit

pca953x_gpio_set_multiple() divides by 4 to convert from longs to bytes,
which assumes a 32-bit platform, and is not correct on 64-bit platforms.
Use "sizeof(...)" instead to fix this.

Cc: stable@vger.kernel.org
Fixes: b4818afeacbd8182 ("gpio: pca953x: Add set_multiple to allow multiple bits to be set in one write.")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-pca953x.c