cpu/cc26x0: Cast gpio_t to unsigned int for comparison

7 years ago · a1f4d1617f
parent c2b20f1f27
commit a1f4d1617f
1 changed files with 1 additions and 1 deletions
--- a/cpu/cc26x0/periph/gpio.c
+++ b/cpu/cc26x0/periph/gpio.c
@ -34,7 +34,7 @@ static gpio_isr_ctx_t gpio_chan[GPIO_ISR_CHAN_NUMOF];

 int gpio_init(gpio_t pin, gpio_mode_t mode)
 {
-    if ((pin < 0) || (pin > 31))
+    if ((unsigned int)pin > 31)
        return -1;

    /* enable GPIO clock */