[PATCH] gpio: omap: improve coding style for pin config flags

From: Drew Fustini
Date: Wed Jul 22 2020 - 08:09:14 EST


Change the handling of pin config flags from if/else to switch
statement to make the code more readable and cleaner.

Suggested-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
Signed-off-by: Drew Fustini <drew@xxxxxxxxxxxxxxx>
---
drivers/gpio/gpio-omap.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index e0eada82178c..7fbe0c9e1fc1 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -899,13 +899,18 @@ static int omap_gpio_set_config(struct gpio_chip *chip, unsigned offset,
u32 debounce;
int ret = -ENOTSUPP;

- if ((pinconf_to_config_param(config) == PIN_CONFIG_BIAS_DISABLE) ||
- (pinconf_to_config_param(config) == PIN_CONFIG_BIAS_PULL_UP) ||
- (pinconf_to_config_param(config) == PIN_CONFIG_BIAS_PULL_DOWN)) {
+ switch (pinconf_to_config_param(config)) {
+ case PIN_CONFIG_BIAS_DISABLE:
+ case PIN_CONFIG_BIAS_PULL_UP:
+ case PIN_CONFIG_BIAS_PULL_DOWN:
ret = gpiochip_generic_config(chip, offset, config);
- } else if (pinconf_to_config_param(config) == PIN_CONFIG_INPUT_DEBOUNCE) {
+ break;
+ case PIN_CONFIG_INPUT_DEBOUNCE:
debounce = pinconf_to_config_argument(config);
ret = omap_gpio_debounce(chip, offset, debounce);
+ break;
+ default:
+ break;
}

return ret;
--
2.25.1