diff options
| -rw-r--r-- | drivers/tty/serial/serial_mctrl_gpio.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c index a38596c5194e..c0381a09f12d 100644 --- a/drivers/tty/serial/serial_mctrl_gpio.c +++ b/drivers/tty/serial/serial_mctrl_gpio.c @@ -48,9 +48,6 @@ void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl) int value_array[UART_GPIO_MAX]; unsigned int count = 0; - if (IS_ERR_OR_NULL(gpios)) - return; - for (i = 0; i < UART_GPIO_MAX; i++) if (!IS_ERR_OR_NULL(gpios->gpio[i]) && mctrl_gpios_desc[i].dir_out) { @@ -65,10 +62,7 @@ EXPORT_SYMBOL_GPL(mctrl_gpio_set); struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios, enum mctrl_gpio_idx gidx) { - if (!IS_ERR_OR_NULL(gpios) && !IS_ERR_OR_NULL(gpios->gpio[gidx])) - return gpios->gpio[gidx]; - else - return NULL; + return gpios->gpio[gidx]; } EXPORT_SYMBOL_GPL(mctrl_gpio_to_gpiod); @@ -76,15 +70,8 @@ unsigned int mctrl_gpio_get(struct mctrl_gpios *gpios, unsigned int *mctrl) { enum mctrl_gpio_idx i; - /* - * return it unchanged if the structure is not allocated - */ - if (IS_ERR_OR_NULL(gpios)) - return *mctrl; - for (i = 0; i < UART_GPIO_MAX; i++) { - if (!IS_ERR_OR_NULL(gpios->gpio[i]) && - !mctrl_gpios_desc[i].dir_out) { + if (gpios->gpio[i] && !mctrl_gpios_desc[i].dir_out) { if (gpiod_get_value(gpios->gpio[i])) *mctrl |= mctrl_gpios_desc[i].mctrl; else @@ -138,9 +125,6 @@ void mctrl_gpio_free(struct device *dev, struct mctrl_gpios *gpios) { enum mctrl_gpio_idx i; - if (IS_ERR_OR_NULL(gpios)) - return; - for (i = 0; i < UART_GPIO_MAX; i++) if (!IS_ERR_OR_NULL(gpios->gpio[i])) devm_gpiod_put(dev, gpios->gpio[i]); |