cpu/samd21: Cast enum to unsigned int for comparison

RIOT-OS · Feb 27, 2016 · 3ff4a33 · 3ff4a33
1 parent af64264
commit 3ff4a33
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/cpu/samd21/periph/pwm.c b/cpu/samd21/periph/pwm.c
@@ -93,7 +93,7 @@ uint32_t pwm_init(pwm_t dev, pwm_mode_t mode, uint32_t freq, uint16_t res)
     int scale = 1;
     uint32_t f_real;
 
-    if (dev >= PWM_NUMOF) {
+    if ((unsigned int)dev >= PWM_NUMOF) {
         return 0;
     }
 

diff --git a/cpu/samd21/periph/spi.c b/cpu/samd21/periph/spi.c
@@ -210,7 +210,7 @@ void spi_transmission_begin(spi_t dev, char reset_val)
 
 int spi_acquire(spi_t dev)
 {
-    if (dev >= SPI_NUMOF) {
+    if ((unsigned int)dev >= SPI_NUMOF) {
         return -1;
     }
     mutex_lock(&locks[dev]);
@@ -219,7 +219,7 @@ int spi_acquire(spi_t dev)
 
 int spi_release(spi_t dev)
 {
-    if (dev >= SPI_NUMOF) {
+    if ((unsigned int)dev >= SPI_NUMOF) {
         return -1;
     }
     mutex_unlock(&locks[dev]);