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authorLinus Walleij2016-04-09 15:59:41 +0200
committerLinus Walleij2016-04-14 14:03:26 +0200
commit148c864260dad94dd037d342679cd62f664a9b21 (patch)
treea99a23255b007f9debfab0a0630c133c62dbe08c
parent04b8695617fe6efeba5ca20e8be3a5c1879fd74a (diff)
gpio: f7188x: use BIT() macro
Align to how we handle bitmasks in most drivers in the subsystem: using the BIT(n) macro over (1 << n). Cc: Peter Hung <hpeter@gmail.com> Cc: Andreas Bofjall <andreas@gazonk.org> Cc: Simon Guinot <simon.guinot@sequanux.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/gpio/gpio-f7188x.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-f7188x.c b/drivers/gpio/gpio-f7188x.c
index daac2d480db1..8b10fbf787f8 100644
--- a/drivers/gpio/gpio-f7188x.c
+++ b/drivers/gpio/gpio-f7188x.c
@@ -15,7 +15,8 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
+#include <linux/bitops.h>
#define DRVNAME "gpio-f7188x"
@@ -217,7 +218,7 @@ static int f7188x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
superio_select(sio->addr, SIO_LD_GPIO);
dir = superio_inb(sio->addr, gpio_dir(bank->regbase));
- dir &= ~(1 << offset);
+ dir &= ~BIT(offset);
superio_outb(sio->addr, gpio_dir(bank->regbase), dir);
superio_exit(sio->addr);
@@ -238,7 +239,7 @@ static int f7188x_gpio_get(struct gpio_chip *chip, unsigned offset)
superio_select(sio->addr, SIO_LD_GPIO);
dir = superio_inb(sio->addr, gpio_dir(bank->regbase));
- dir = !!(dir & (1 << offset));
+ dir = !!(dir & BIT(offset));
if (dir)
data = superio_inb(sio->addr, gpio_data_out(bank->regbase));
else
@@ -246,7 +247,7 @@ static int f7188x_gpio_get(struct gpio_chip *chip, unsigned offset)
superio_exit(sio->addr);
- return !!(data & 1 << offset);
+ return !!(data & BIT(offset));
}
static int f7188x_gpio_direction_out(struct gpio_chip *chip,
@@ -264,13 +265,13 @@ static int f7188x_gpio_direction_out(struct gpio_chip *chip,
data_out = superio_inb(sio->addr, gpio_data_out(bank->regbase));
if (value)
- data_out |= (1 << offset);
+ data_out |= BIT(offset);
else
- data_out &= ~(1 << offset);
+ data_out &= ~BIT(offset);
superio_outb(sio->addr, gpio_data_out(bank->regbase), data_out);
dir = superio_inb(sio->addr, gpio_dir(bank->regbase));
- dir |= (1 << offset);
+ dir |= BIT(offset);
superio_outb(sio->addr, gpio_dir(bank->regbase), dir);
superio_exit(sio->addr);
@@ -292,9 +293,9 @@ static void f7188x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
data_out = superio_inb(sio->addr, gpio_data_out(bank->regbase));
if (value)
- data_out |= (1 << offset);
+ data_out |= BIT(offset);
else
- data_out &= ~(1 << offset);
+ data_out &= ~BIT(offset);
superio_outb(sio->addr, gpio_data_out(bank->regbase), data_out);
superio_exit(sio->addr);