diff options
Diffstat (limited to 'drivers/gpio/gpio-cs5535.c')
| -rw-r--r-- | drivers/gpio/gpio-cs5535.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-cs5535.c b/drivers/gpio/gpio-cs5535.c index 7b0b198a5..eccb712e0 100644 --- a/drivers/gpio/gpio-cs5535.c +++ b/drivers/gpio/gpio-cs5535.c @@ -42,6 +42,10 @@ static ulong mask = GPIO_DEFAULT_MASK; module_param_named(mask, mask, ulong, 0444); MODULE_PARM_DESC(mask, "GPIO channel mask."); +/* + * FIXME: convert this singleton driver to use the state container + * design pattern, see Documentation/driver-model/design-patterns.txt + */ static struct cs5535_gpio_chip { struct gpio_chip chip; resource_size_t base; @@ -201,8 +205,7 @@ EXPORT_SYMBOL_GPL(cs5535_gpio_setup_event); static int chip_gpio_request(struct gpio_chip *c, unsigned offset) { - struct cs5535_gpio_chip *chip = - container_of(c, struct cs5535_gpio_chip, chip); + struct cs5535_gpio_chip *chip = gpiochip_get_data(c); unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -242,8 +245,7 @@ static void chip_gpio_set(struct gpio_chip *chip, unsigned offset, int val) static int chip_direction_input(struct gpio_chip *c, unsigned offset) { - struct cs5535_gpio_chip *chip = - container_of(c, struct cs5535_gpio_chip, chip); + struct cs5535_gpio_chip *chip = gpiochip_get_data(c); unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -256,8 +258,7 @@ static int chip_direction_input(struct gpio_chip *c, unsigned offset) static int chip_direction_output(struct gpio_chip *c, unsigned offset, int val) { - struct cs5535_gpio_chip *chip = - container_of(c, struct cs5535_gpio_chip, chip); + struct cs5535_gpio_chip *chip = gpiochip_get_data(c); unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -347,7 +348,7 @@ static int cs5535_gpio_probe(struct platform_device *pdev) mask_orig, mask); /* finally, register with the generic GPIO API */ - err = gpiochip_add(&cs5535_gpio_chip.chip); + err = gpiochip_add_data(&cs5535_gpio_chip.chip, &cs5535_gpio_chip); if (err) goto done; |