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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 16:58:56 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 13:21:16 +0300
commit7020e7c513e91a2e18ab67935e657c4de17e9043 (patch)
treecd16c86ee15c3cea61984f7597e9fe07343189ae /drivers/gpio
parent059e3972d00760e7d6dda54789fbbe05acf186a1 (diff)
downloadlinux-7020e7c513e91a2e18ab67935e657c4de17e9043.tar.xz
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>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-tz1090.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-tz1090.c b/drivers/gpio/gpio-tz1090.c
index a4a822542ac1..ca958e0f6909 100644
--- a/drivers/gpio/gpio-tz1090.c
+++ b/drivers/gpio/gpio-tz1090.c
@@ -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);