diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 09:03:09 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 11:21:06 +0100 |
| commit | 0a38fd94c20e6636c22630200a9cece122a89f0e (patch) | |
| tree | 7ea5e7ef43d8e1e89809904b8fee2ba064811767 /drivers/gpio/gpio-it87.c | |
| parent | 5c77c0212b97693219ead6dcddf7e036421012d7 (diff) | |
| download | linux-stable-0a38fd94c20e6636c22630200a9cece122a89f0e.tar.gz linux-stable-0a38fd94c20e6636c22630200a9cece122a89f0e.tar.bz2 linux-stable-0a38fd94c20e6636c22630200a9cece122a89f0e.zip | |
gpio: it87: 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: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-it87.c')
| -rw-r--r-- | drivers/gpio/gpio-it87.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/gpio/gpio-it87.c b/drivers/gpio/gpio-it87.c index 21f6f7c0eb34..b219c82414bf 100644 --- a/drivers/gpio/gpio-it87.c +++ b/drivers/gpio/gpio-it87.c @@ -77,11 +77,6 @@ static struct it87_gpio it87_gpio_chip = { .lock = __SPIN_LOCK_UNLOCKED(it87_gpio_chip.lock), }; -static inline struct it87_gpio *to_it87_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct it87_gpio, chip); -} - /* Superio chip access functions; copied from wdt_it87 */ static inline int superio_enter(void) @@ -165,7 +160,7 @@ static int it87_gpio_request(struct gpio_chip *chip, unsigned gpio_num) { u8 mask, group; int rc = 0; - struct it87_gpio *it87_gpio = to_it87_gpio(chip); + struct it87_gpio *it87_gpio = gpiochip_get_data(chip); mask = 1 << (gpio_num % 8); group = (gpio_num / 8); @@ -198,7 +193,7 @@ static int it87_gpio_get(struct gpio_chip *chip, unsigned gpio_num) { u16 reg; u8 mask; - struct it87_gpio *it87_gpio = to_it87_gpio(chip); + struct it87_gpio *it87_gpio = gpiochip_get_data(chip); mask = 1 << (gpio_num % 8); reg = (gpio_num / 8) + it87_gpio->io_base; @@ -210,7 +205,7 @@ static int it87_gpio_direction_in(struct gpio_chip *chip, unsigned gpio_num) { u8 mask, group; int rc = 0; - struct it87_gpio *it87_gpio = to_it87_gpio(chip); + struct it87_gpio *it87_gpio = gpiochip_get_data(chip); mask = 1 << (gpio_num % 8); group = (gpio_num / 8); @@ -236,7 +231,7 @@ static void it87_gpio_set(struct gpio_chip *chip, { u8 mask, curr_vals; u16 reg; - struct it87_gpio *it87_gpio = to_it87_gpio(chip); + struct it87_gpio *it87_gpio = gpiochip_get_data(chip); mask = 1 << (gpio_num % 8); reg = (gpio_num / 8) + it87_gpio->io_base; @@ -253,7 +248,7 @@ static int it87_gpio_direction_out(struct gpio_chip *chip, { u8 mask, group; int rc = 0; - struct it87_gpio *it87_gpio = to_it87_gpio(chip); + struct it87_gpio *it87_gpio = gpiochip_get_data(chip); mask = 1 << (gpio_num % 8); group = (gpio_num / 8); @@ -380,7 +375,7 @@ static int __init it87_gpio_init(void) it87_gpio->chip.names = (const char *const*)labels_table; - rc = gpiochip_add(&it87_gpio->chip); + rc = gpiochip_add_data(&it87_gpio->chip, it87_gpio); if (rc) goto labels_free; |