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gpio: kempld: use BIT() macro instead of shifting bits

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Using the BIT() macro instead of shifting bits
makes the code less error prone and also more readable.

Signed-off-by: Javier Martinez Canillas <javier@dowhile0.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Javier Martinez Canillas 2014-04-27 02:00:48 +02:00 committed by Linus Walleij
parent 5f077644b9
commit 459b81808f
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-kempld.c
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@ -24,7 +24,7 @@
#include <linux/mfd/kempld.h>
#define KEMPLD_GPIO_MAX_NUM 16
#define KEMPLD_GPIO_MASK(x) (1 << ((x) % 8))
#define KEMPLD_GPIO_MASK(x) (BIT((x) % 8))
#define KEMPLD_GPIO_DIR_NUM(x) (0x40 + (x) / 8)
#define KEMPLD_GPIO_LVL_NUM(x) (0x42 + (x) / 8)
#define KEMPLD_GPIO_EVT_LVL_EDGE 0x46