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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 13:13:27 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 13:21:10 +0300
commitf5cc554e1cf17482781069b671090d3a35d5413b (patch)
treee99dfee567de9e46d976e7abffd0fc7a067eae80 /drivers/gpio/gpio-octeon.c
parentbbe760041a05d51746f1b1cd658aaef91466bafc (diff)
downloadlinux-f5cc554e1cf17482781069b671090d3a35d5413b.tar.xz
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>
Diffstat (limited to 'drivers/gpio/gpio-octeon.c')
-rw-r--r--drivers/gpio/gpio-octeon.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-octeon.c b/drivers/gpio/gpio-octeon.c
index afbb2417dfbc..7665ebcd0c1d 100644
--- a/drivers/gpio/gpio-octeon.c
+++ b/drivers/gpio/gpio-octeon.c
@@ -41,7 +41,7 @@ struct octeon_gpio {
static int octeon_gpio_dir_in(struct gpio_chip *chip, unsigned offset)
{
- struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip);
+ struct octeon_gpio *gpio = gpiochip_get_data(chip);
cvmx_write_csr(gpio->register_base + bit_cfg_reg(offset), 0);
return 0;
@@ -49,7 +49,7 @@ static int octeon_gpio_dir_in(struct gpio_chip *chip, unsigned offset)
static void octeon_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip);
+ struct octeon_gpio *gpio = gpiochip_get_data(chip);
u64 mask = 1ull << offset;
u64 reg = gpio->register_base + (value ? TX_SET : TX_CLEAR);
cvmx_write_csr(reg, mask);
@@ -58,7 +58,7 @@ static void octeon_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
static int octeon_gpio_dir_out(struct gpio_chip *chip, unsigned offset,
int value)
{
- struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip);
+ struct octeon_gpio *gpio = gpiochip_get_data(chip);
union cvmx_gpio_bit_cfgx cfgx;
octeon_gpio_set(chip, offset, value);
@@ -72,7 +72,7 @@ static int octeon_gpio_dir_out(struct gpio_chip *chip, unsigned offset,
static int octeon_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip);
+ struct octeon_gpio *gpio = gpiochip_get_data(chip);
u64 read_bits = cvmx_read_csr(gpio->register_base + RX_DAT);
return ((1ull << offset) & read_bits) != 0;
@@ -117,7 +117,7 @@ static int octeon_gpio_probe(struct platform_device *pdev)
chip->get = octeon_gpio_get;
chip->direction_output = octeon_gpio_dir_out;
chip->set = octeon_gpio_set;
- err = gpiochip_add(chip);
+ err = gpiochip_add_data(chip, gpio);
if (err)
goto out;