diff options
| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2025-04-07 09:24:15 +0200 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2025-05-23 08:48:13 +0100 |
| commit | cf5c739af8ff024a211ece4381ea71874428607b (patch) | |
| tree | cf2f7d401eff9e3b959600bb712567c5a9164350 | |
| parent | 651974212cacef4ad24c4f97d52b6761f2219e96 (diff) | |
mfd: ucb1x00: Use new GPIO line value setter callbacks
struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20250407-gpiochip-set-rv-mfd-v1-3-43f4d86d01d1@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
| -rw-r--r-- | drivers/mfd/ucb1x00-core.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c index fc4d4c844a81..fd71ba29f6b5 100644 --- a/drivers/mfd/ucb1x00-core.c +++ b/drivers/mfd/ucb1x00-core.c @@ -104,7 +104,8 @@ unsigned int ucb1x00_io_read(struct ucb1x00 *ucb) return ucb1x00_reg_read(ucb, UCB_IO_DATA); } -static void ucb1x00_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +static int ucb1x00_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) { struct ucb1x00 *ucb = gpiochip_get_data(chip); unsigned long flags; @@ -119,6 +120,8 @@ static void ucb1x00_gpio_set(struct gpio_chip *chip, unsigned offset, int value) ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out); ucb1x00_disable(ucb); spin_unlock_irqrestore(&ucb->io_lock, flags); + + return 0; } static int ucb1x00_gpio_get(struct gpio_chip *chip, unsigned offset) @@ -567,7 +570,7 @@ static int ucb1x00_probe(struct mcp *mcp) ucb->gpio.owner = THIS_MODULE; ucb->gpio.base = pdata->gpio_base; ucb->gpio.ngpio = 10; - ucb->gpio.set = ucb1x00_gpio_set; + ucb->gpio.set_rv = ucb1x00_gpio_set; ucb->gpio.get = ucb1x00_gpio_get; ucb->gpio.direction_input = ucb1x00_gpio_direction_input; ucb->gpio.direction_output = ucb1x00_gpio_direction_output; |