diff options
Diffstat (limited to 'drivers/gpio/gpio-zynq.c')
| -rw-r--r-- | drivers/gpio/gpio-zynq.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 1d1a5865ede9..8abeacac5885 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -130,6 +130,12 @@ struct zynq_platform_data { static struct irq_chip zynq_gpio_level_irqchip; static struct irq_chip zynq_gpio_edge_irqchip; + +static struct zynq_gpio *to_zynq_gpio(struct gpio_chip *gc) +{ + return container_of(gc, struct zynq_gpio, chip); +} + /** * zynq_gpio_get_bank_pin - Get the bank number and pin number within that bank * for a given pin in the GPIO device @@ -177,7 +183,7 @@ static int zynq_gpio_get_value(struct gpio_chip *chip, unsigned int pin) { u32 data; unsigned int bank_num, bank_pin_num; - struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip); + struct zynq_gpio *gpio = to_zynq_gpio(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -201,7 +207,7 @@ static void zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin, int state) { unsigned int reg_offset, bank_num, bank_pin_num; - struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip); + struct zynq_gpio *gpio = to_zynq_gpio(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -238,7 +244,7 @@ static int zynq_gpio_dir_in(struct gpio_chip *chip, unsigned int pin) { u32 reg; unsigned int bank_num, bank_pin_num; - struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip); + struct zynq_gpio *gpio = to_zynq_gpio(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -271,7 +277,7 @@ static int zynq_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, { u32 reg; unsigned int bank_num, bank_pin_num; - struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip); + struct zynq_gpio *gpio = to_zynq_gpio(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -301,7 +307,8 @@ static int zynq_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, static void zynq_gpio_irq_mask(struct irq_data *irq_data) { unsigned int device_pin_num, bank_num, bank_pin_num; - struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data); + struct zynq_gpio *gpio = + to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -321,7 +328,8 @@ static void zynq_gpio_irq_mask(struct irq_data *irq_data) static void zynq_gpio_irq_unmask(struct irq_data *irq_data) { unsigned int device_pin_num, bank_num, bank_pin_num; - struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data); + struct zynq_gpio *gpio = + to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -340,7 +348,8 @@ static void zynq_gpio_irq_unmask(struct irq_data *irq_data) static void zynq_gpio_irq_ack(struct irq_data *irq_data) { unsigned int device_pin_num, bank_num, bank_pin_num; - struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data); + struct zynq_gpio *gpio = + to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -390,7 +399,8 @@ static int zynq_gpio_set_irq_type(struct irq_data *irq_data, unsigned int type) { u32 int_type, int_pol, int_any; unsigned int device_pin_num, bank_num, bank_pin_num; - struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data); + struct zynq_gpio *gpio = + to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -453,7 +463,8 @@ static int zynq_gpio_set_irq_type(struct irq_data *irq_data, unsigned int type) static int zynq_gpio_set_wake(struct irq_data *data, unsigned int on) { - struct zynq_gpio *gpio = irq_data_get_irq_chip_data(data); + struct zynq_gpio *gpio = + to_zynq_gpio(irq_data_get_irq_chip_data(data)); irq_set_irq_wake(gpio->irq, on); @@ -518,7 +529,8 @@ static void zynq_gpio_irqhandler(struct irq_desc *desc) { u32 int_sts, int_enb; unsigned int bank_num; - struct zynq_gpio *gpio = irq_desc_get_handler_data(desc); + struct zynq_gpio *gpio = + to_zynq_gpio(irq_desc_get_handler_data(desc)); struct irq_chip *irqchip = irq_desc_get_chip(desc); chained_irq_enter(irqchip, desc); |