diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-03 15:37:29 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 11:21:15 +0100 |
| commit | b0d384733c05906b807cbb9a1b732ad12b521dbe (patch) | |
| tree | 7c0232a89318d9498561365f8fe5e0650cd6762b /drivers/gpio | |
| parent | gpio: tb10x: use gpiochip data pointer (diff) | |
| download | linux-b0d384733c05906b807cbb9a1b732ad12b521dbe.tar.xz linux-b0d384733c05906b807cbb9a1b732ad12b521dbe.zip | |
gpio: tc3589x: 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().
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-tc3589x.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c index 2896aef5aec4..05a27ec55add 100644 --- a/drivers/gpio/gpio-tc3589x.c +++ b/drivers/gpio/gpio-tc3589x.c @@ -34,14 +34,9 @@ struct tc3589x_gpio { u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS]; }; -static inline struct tc3589x_gpio *to_tc3589x_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct tc3589x_gpio, chip); -} - static int tc3589x_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(chip); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; u8 reg = TC3589x_GPIODATA0 + (offset / 8) * 2; u8 mask = 1 << (offset % 8); @@ -56,7 +51,7 @@ static int tc3589x_gpio_get(struct gpio_chip *chip, unsigned offset) static void tc3589x_gpio_set(struct gpio_chip *chip, unsigned offset, int val) { - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(chip); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; u8 reg = TC3589x_GPIODATA0 + (offset / 8) * 2; unsigned pos = offset % 8; @@ -68,7 +63,7 @@ static void tc3589x_gpio_set(struct gpio_chip *chip, unsigned offset, int val) static int tc3589x_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int val) { - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(chip); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; u8 reg = TC3589x_GPIODIR0 + offset / 8; unsigned pos = offset % 8; @@ -81,7 +76,7 @@ static int tc3589x_gpio_direction_output(struct gpio_chip *chip, static int tc3589x_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(chip); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; u8 reg = TC3589x_GPIODIR0 + offset / 8; unsigned pos = offset % 8; @@ -102,7 +97,7 @@ static struct gpio_chip template_chip = { static int tc3589x_gpio_irq_set_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(gc); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(gc); int offset = d->hwirq; int regoffset = offset / 8; int mask = 1 << (offset % 8); @@ -130,7 +125,7 @@ static int tc3589x_gpio_irq_set_type(struct irq_data *d, unsigned int type) static void tc3589x_gpio_irq_lock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(gc); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(gc); mutex_lock(&tc3589x_gpio->irq_lock); } @@ -138,7 +133,7 @@ static void tc3589x_gpio_irq_lock(struct irq_data *d) static void tc3589x_gpio_irq_sync_unlock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(gc); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(gc); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; static const u8 regmap[] = { [REG_IBE] = TC3589x_GPIOIBE0, @@ -167,7 +162,7 @@ static void tc3589x_gpio_irq_sync_unlock(struct irq_data *d) static void tc3589x_gpio_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(gc); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(gc); int offset = d->hwirq; int regoffset = offset / 8; int mask = 1 << (offset % 8); @@ -178,7 +173,7 @@ static void tc3589x_gpio_irq_mask(struct irq_data *d) static void tc3589x_gpio_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(gc); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(gc); int offset = d->hwirq; int regoffset = offset / 8; int mask = 1 << (offset % 8); @@ -277,7 +272,7 @@ static int tc3589x_gpio_probe(struct platform_device *pdev) return ret; } - ret = gpiochip_add(&tc3589x_gpio->chip); + ret = gpiochip_add_data(&tc3589x_gpio->chip, tc3589x_gpio); if (ret) { dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret); return ret; |