diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-03-25 11:04:38 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-03-27 22:38:11 +0100 |
| commit | 83522358438dd9de8567991f7366db510b3eb433 (patch) | |
| tree | ac4a84a8dd248f1f90a8cca3bf6579709d7454ef /drivers/gpio/gpiolib.c | |
| parent | gpiolib: Introduce gpiod_set_config() (diff) | |
| download | linux-83522358438dd9de8567991f7366db510b3eb433.tar.xz linux-83522358438dd9de8567991f7366db510b3eb433.zip | |
gpiolib: Pass gpio_desc to gpio_set_config()
All callers of gpio_set_config() have to convert a gpio_desc to a
gpio_chip and offset. Avoid these duplicated conversion steps by
letting gpio_set_config() take a gpio_desc pointer directly.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200325100439.14000-2-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 6c3e4eb53771..0541c9ff22b3 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -3196,9 +3196,9 @@ static int gpio_do_set_config(struct gpio_chip *gc, unsigned int offset, return gc->set_config(gc, offset, config); } -static int gpio_set_config(struct gpio_chip *gc, unsigned int offset, - enum pin_config_param mode) +static int gpio_set_config(struct gpio_desc *desc, enum pin_config_param mode) { + struct gpio_chip *chip = desc->gdev->chip; unsigned long config; unsigned arg; @@ -3213,7 +3213,7 @@ static int gpio_set_config(struct gpio_chip *gc, unsigned int offset, } config = PIN_CONF_PACKED(mode, arg); - return gpio_do_set_config(gc, offset, config); + return gpio_do_set_config(chip, gpio_chip_hwgpio(desc), config); } static int gpio_set_bias(struct gpio_chip *chip, struct gpio_desc *desc) @@ -3229,7 +3229,7 @@ static int gpio_set_bias(struct gpio_chip *chip, struct gpio_desc *desc) bias = PIN_CONFIG_BIAS_PULL_DOWN; if (bias) { - ret = gpio_set_config(chip, gpio_chip_hwgpio(desc), bias); + ret = gpio_set_config(desc, bias); if (ret != -ENOTSUPP) return ret; } @@ -3387,8 +3387,7 @@ int gpiod_direction_output(struct gpio_desc *desc, int value) gc = desc->gdev->chip; if (test_bit(FLAG_OPEN_DRAIN, &desc->flags)) { /* First see if we can enable open drain in hardware */ - ret = gpio_set_config(gc, gpio_chip_hwgpio(desc), - PIN_CONFIG_DRIVE_OPEN_DRAIN); + ret = gpio_set_config(desc, PIN_CONFIG_DRIVE_OPEN_DRAIN); if (!ret) goto set_output_value; /* Emulate open drain by not actively driving the line high */ @@ -3398,8 +3397,7 @@ int gpiod_direction_output(struct gpio_desc *desc, int value) } } else if (test_bit(FLAG_OPEN_SOURCE, &desc->flags)) { - ret = gpio_set_config(gc, gpio_chip_hwgpio(desc), - PIN_CONFIG_DRIVE_OPEN_SOURCE); + ret = gpio_set_config(desc, PIN_CONFIG_DRIVE_OPEN_SOURCE); if (!ret) goto set_output_value; /* Emulate open source by not actively driving the line low */ @@ -3408,8 +3406,7 @@ int gpiod_direction_output(struct gpio_desc *desc, int value) goto set_output_flag; } } else { - gpio_set_config(gc, gpio_chip_hwgpio(desc), - PIN_CONFIG_DRIVE_PUSH_PULL); + gpio_set_config(desc, PIN_CONFIG_DRIVE_PUSH_PULL); } set_output_value: |