diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-03 18:20:29 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 11:21:01 +0100 |
| commit | b2afc6f3522c8f49a420cb77f5a9c51fe1d50e33 (patch) | |
| tree | fcd456c705daac41c689ae2e668a944d9cdd761d /drivers/gpio/gpio-74x164.c | |
| parent | gpio: 104-idio-16: use gpiochip data pointer (diff) | |
| download | linux-b2afc6f3522c8f49a420cb77f5a9c51fe1d50e33.tar.xz linux-b2afc6f3522c8f49a420cb77f5a9c51fe1d50e33.zip | |
gpio: 74x164: 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: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-74x164.c')
| -rw-r--r-- | drivers/gpio/gpio-74x164.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c index 54a4147fba52..c81224ff2dca 100644 --- a/drivers/gpio/gpio-74x164.c +++ b/drivers/gpio/gpio-74x164.c @@ -33,11 +33,6 @@ struct gen_74x164_chip { u8 buffer[0]; }; -static struct gen_74x164_chip *gpio_to_74x164_chip(struct gpio_chip *gc) -{ - return container_of(gc, struct gen_74x164_chip, gpio_chip); -} - static int __gen_74x164_write_config(struct gen_74x164_chip *chip) { struct spi_transfer xfer = { @@ -51,7 +46,7 @@ static int __gen_74x164_write_config(struct gen_74x164_chip *chip) static int gen_74x164_get_value(struct gpio_chip *gc, unsigned offset) { - struct gen_74x164_chip *chip = gpio_to_74x164_chip(gc); + struct gen_74x164_chip *chip = gpiochip_get_data(gc); u8 bank = chip->registers - 1 - offset / 8; u8 pin = offset % 8; int ret; @@ -66,7 +61,7 @@ static int gen_74x164_get_value(struct gpio_chip *gc, unsigned offset) static void gen_74x164_set_value(struct gpio_chip *gc, unsigned offset, int val) { - struct gen_74x164_chip *chip = gpio_to_74x164_chip(gc); + struct gen_74x164_chip *chip = gpiochip_get_data(gc); u8 bank = chip->registers - 1 - offset / 8; u8 pin = offset % 8; @@ -136,7 +131,7 @@ static int gen_74x164_probe(struct spi_device *spi) goto exit_destroy; } - ret = gpiochip_add(&chip->gpio_chip); + ret = gpiochip_add_data(&chip->gpio_chip, chip); if (!ret) return 0; |