gpio: octeon: 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(). Reviewed-by: David Daney <david.daney@cavium.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Родитель
bbe760041a
Коммит
f5cc554e1c
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@ -41,7 +41,7 @@ struct octeon_gpio {
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static int octeon_gpio_dir_in(struct gpio_chip *chip, unsigned offset)
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{
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struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip);
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struct octeon_gpio *gpio = gpiochip_get_data(chip);
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cvmx_write_csr(gpio->register_base + bit_cfg_reg(offset), 0);
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return 0;
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@ -49,7 +49,7 @@ static int octeon_gpio_dir_in(struct gpio_chip *chip, unsigned offset)
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static void octeon_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
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{
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struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip);
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struct octeon_gpio *gpio = gpiochip_get_data(chip);
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u64 mask = 1ull << offset;
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u64 reg = gpio->register_base + (value ? TX_SET : TX_CLEAR);
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cvmx_write_csr(reg, mask);
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@ -58,7 +58,7 @@ static void octeon_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
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static int octeon_gpio_dir_out(struct gpio_chip *chip, unsigned offset,
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int value)
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{
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struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip);
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struct octeon_gpio *gpio = gpiochip_get_data(chip);
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union cvmx_gpio_bit_cfgx cfgx;
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octeon_gpio_set(chip, offset, value);
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@ -72,7 +72,7 @@ static int octeon_gpio_dir_out(struct gpio_chip *chip, unsigned offset,
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static int octeon_gpio_get(struct gpio_chip *chip, unsigned offset)
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{
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struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip);
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struct octeon_gpio *gpio = gpiochip_get_data(chip);
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u64 read_bits = cvmx_read_csr(gpio->register_base + RX_DAT);
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return ((1ull << offset) & read_bits) != 0;
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@ -117,7 +117,7 @@ static int octeon_gpio_probe(struct platform_device *pdev)
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chip->get = octeon_gpio_get;
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chip->direction_output = octeon_gpio_dir_out;
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chip->set = octeon_gpio_set;
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err = gpiochip_add(chip);
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err = gpiochip_add_data(chip, gpio);
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if (err)
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goto out;
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