diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-08 11:24:57 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-02-19 09:51:42 +0100 |
| commit | c788aab7e54950629ba1360b7cfcc2a0af668415 (patch) | |
| tree | cf58e7d2c1ea5c9f46140aadee30a9c0d3c5ac1f /arch/arm | |
| parent | ARM: simpad: switch to gpiochip_add_data() (diff) | |
| download | linux-c788aab7e54950629ba1360b7cfcc2a0af668415.tar.xz linux-c788aab7e54950629ba1360b7cfcc2a0af668415.zip | |
ARM: w90x900: use gpiochip data pointer
This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().
Cc: arm@kernel.org
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-w90x900/gpio.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/arm/mach-w90x900/gpio.c b/arch/arm/mach-w90x900/gpio.c index ba05aec7ea4b..55d1a00dbd28 100644 --- a/arch/arm/mach-w90x900/gpio.c +++ b/arch/arm/mach-w90x900/gpio.c @@ -20,7 +20,7 @@ #include <linux/list.h> #include <linux/module.h> #include <linux/io.h> -#include <linux/gpio.h> +#include <linux/gpio/driver.h> #include <mach/hardware.h> @@ -30,7 +30,6 @@ #define GPIO_IN (0x0C) #define GROUPINERV (0x10) #define GPIO_GPIO(Nb) (0x00000001 << (Nb)) -#define to_nuc900_gpio_chip(c) container_of(c, struct nuc900_gpio_chip, chip) #define NUC900_GPIO_CHIP(name, base_gpio, nr_gpio) \ { \ @@ -53,7 +52,7 @@ struct nuc900_gpio_chip { static int nuc900_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + struct nuc900_gpio_chip *nuc900_gpio = gpiochip_get_data(chip); void __iomem *pio = nuc900_gpio->regbase + GPIO_IN; unsigned int regval; @@ -65,7 +64,7 @@ static int nuc900_gpio_get(struct gpio_chip *chip, unsigned offset) static void nuc900_gpio_set(struct gpio_chip *chip, unsigned offset, int val) { - struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + struct nuc900_gpio_chip *nuc900_gpio = gpiochip_get_data(chip); void __iomem *pio = nuc900_gpio->regbase + GPIO_OUT; unsigned int regval; unsigned long flags; @@ -86,7 +85,7 @@ static void nuc900_gpio_set(struct gpio_chip *chip, unsigned offset, int val) static int nuc900_dir_input(struct gpio_chip *chip, unsigned offset) { - struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + struct nuc900_gpio_chip *nuc900_gpio = gpiochip_get_data(chip); void __iomem *pio = nuc900_gpio->regbase + GPIO_DIR; unsigned int regval; unsigned long flags; @@ -104,7 +103,7 @@ static int nuc900_dir_input(struct gpio_chip *chip, unsigned offset) static int nuc900_dir_output(struct gpio_chip *chip, unsigned offset, int val) { - struct nuc900_gpio_chip *nuc900_gpio = to_nuc900_gpio_chip(chip); + struct nuc900_gpio_chip *nuc900_gpio = gpiochip_get_data(chip); void __iomem *outreg = nuc900_gpio->regbase + GPIO_OUT; void __iomem *pio = nuc900_gpio->regbase + GPIO_DIR; unsigned int regval; @@ -149,6 +148,6 @@ void __init nuc900_init_gpio(int nr_group) gpio_chip = &nuc900_gpio[i]; spin_lock_init(&gpio_chip->gpio_lock); gpio_chip->regbase = GPIO_BASE + i * GROUPINERV; - gpiochip_add(&gpio_chip->chip); + gpiochip_add_data(&gpio_chip->chip, gpio_chip); } } |