diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 15:29:53 +0100 |
---|---|---|
committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 11:21:20 +0100 |
commit | 31a8944752f8a91d8591148f60cd6dfb08c4e415 (patch) | |
tree | 116c875c60b2f7cfca3acfb826770998b91282c7 /drivers/gpio/gpio-zynq.c | |
parent | gpio: zx: use gpiochip data pointer (diff) | |
download | linux-31a8944752f8a91d8591148f60cd6dfb08c4e415.tar.xz linux-31a8944752f8a91d8591148f60cd6dfb08c4e415.zip |
gpio: zynq: 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: Michal Simek <michal.simek@xilinx.com>
Cc: Sören Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-zynq.c')
-rw-r--r-- | drivers/gpio/gpio-zynq.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index ba1150744b61..66d3d247d76d 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -131,11 +131,6 @@ 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 @@ -183,7 +178,7 @@ 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 = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -207,7 +202,7 @@ 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 = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -244,7 +239,7 @@ 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 = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -277,7 +272,7 @@ 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 = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -308,7 +303,7 @@ 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 = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(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); @@ -329,7 +324,7 @@ 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 = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(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); @@ -349,7 +344,7 @@ 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 = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(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); @@ -400,7 +395,7 @@ 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 = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(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); @@ -464,7 +459,7 @@ 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 = - to_zynq_gpio(irq_data_get_irq_chip_data(data)); + gpiochip_get_data(irq_data_get_irq_chip_data(data)); irq_set_irq_wake(gpio->irq, on); @@ -530,7 +525,7 @@ static void zynq_gpio_irqhandler(struct irq_desc *desc) u32 int_sts, int_enb; unsigned int bank_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_desc_get_handler_data(desc)); + gpiochip_get_data(irq_desc_get_handler_data(desc)); struct irq_chip *irqchip = irq_desc_get_chip(desc); chained_irq_enter(irqchip, desc); @@ -721,7 +716,7 @@ static int zynq_gpio_probe(struct platform_device *pdev) return ret; /* report a bug if gpio chip registration fails */ - ret = gpiochip_add(chip); + ret = gpiochip_add_data(chip, gpio); if (ret) { dev_err(&pdev->dev, "Failed to add gpio chip\n"); goto err_pm_put; |