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gpio: zynq: use gpiochip data pointer

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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>
This commit is contained in:
Linus Walleij 2015-12-07 15:29:53 +01:00
parent 17758b0490
commit 31a8944752
1 changed files with 11 additions and 16 deletions
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27
drivers/gpio/gpio-zynq.c
View file

@ -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;