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gpio: tz1090: 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: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 14:58:56 +01:00
parent 059e3972d0
commit 7020e7c513
1 changed files with 8 additions and 9 deletions
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17
drivers/gpio/gpio-tz1090.c
View File

@ -62,7 +62,6 @@ struct tz1090_gpio_bank {
int irq;
char label[16];
};
#define to_bank(c) container_of(c, struct tz1090_gpio_bank, chip)
/**
* struct tz1090_gpio - Overall GPIO device private data
@ -187,7 +186,7 @@ static inline int tz1090_gpio_read_bit(struct tz1090_gpio_bank *bank,
static int tz1090_gpio_direction_input(struct gpio_chip *chip,
unsigned int offset)
{
struct tz1090_gpio_bank *bank = to_bank(chip);
struct tz1090_gpio_bank *bank = gpiochip_get_data(chip);
tz1090_gpio_set_bit(bank, REG_GPIO_DIR, offset);
return 0;
@ -196,7 +195,7 @@ static int tz1090_gpio_direction_input(struct gpio_chip *chip,
static int tz1090_gpio_direction_output(struct gpio_chip *chip,
unsigned int offset, int output_value)
{
struct tz1090_gpio_bank *bank = to_bank(chip);
struct tz1090_gpio_bank *bank = gpiochip_get_data(chip);
int lstat;
__global_lock2(lstat);
@ -212,7 +211,7 @@ static int tz1090_gpio_direction_output(struct gpio_chip *chip,
*/
static int tz1090_gpio_get(struct gpio_chip *chip, unsigned int offset)
{
struct tz1090_gpio_bank *bank = to_bank(chip);
struct tz1090_gpio_bank *bank = gpiochip_get_data(chip);
return !!tz1090_gpio_read_bit(bank, REG_GPIO_DIN, offset);
}
@ -223,14 +222,14 @@ static int tz1090_gpio_get(struct gpio_chip *chip, unsigned int offset)
static void tz1090_gpio_set(struct gpio_chip *chip, unsigned int offset,
int output_value)
{
struct tz1090_gpio_bank *bank = to_bank(chip);
struct tz1090_gpio_bank *bank = gpiochip_get_data(chip);
tz1090_gpio_mod_bit(bank, REG_GPIO_DOUT, offset, output_value);
}
static int tz1090_gpio_request(struct gpio_chip *chip, unsigned int offset)
{
struct tz1090_gpio_bank *bank = to_bank(chip);
struct tz1090_gpio_bank *bank = gpiochip_get_data(chip);
int ret;
ret = pinctrl_request_gpio(chip->base + offset);
@ -245,7 +244,7 @@ static int tz1090_gpio_request(struct gpio_chip *chip, unsigned int offset)
static void tz1090_gpio_free(struct gpio_chip *chip, unsigned int offset)
{
struct tz1090_gpio_bank *bank = to_bank(chip);
struct tz1090_gpio_bank *bank = gpiochip_get_data(chip);
pinctrl_free_gpio(chip->base + offset);
@ -254,7 +253,7 @@ static void tz1090_gpio_free(struct gpio_chip *chip, unsigned int offset)
static int tz1090_gpio_to_irq(struct gpio_chip *chip, unsigned int offset)
{
struct tz1090_gpio_bank *bank = to_bank(chip);
struct tz1090_gpio_bank *bank = gpiochip_get_data(chip);
if (!bank->domain)
return -EINVAL;
@ -440,7 +439,7 @@ static int tz1090_gpio_bank_probe(struct tz1090_gpio_bank_info *info)
bank->chip.ngpio = 30;
/* Add the GPIO bank */
gpiochip_add(&bank->chip);
gpiochip_add_data(&bank->chip, bank);
/* Get the GPIO bank IRQ if provided */
bank->irq = irq_of_parse_and_map(np, 0);