---
bsps/arm/beagle/pwmss/pwmss.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/bsps/arm/beagle/pwmss/pwmss.c b/bsps/arm/beagle/pwmss/pwmss.c
index 0fde3db5a9..f3aaf8fc3f 100644
--- a/bsps/arm/beagle/pwmss/pwmss.c
+++ b/bsps/arm/beagle/pwmss/pwmss.c
@@ -38,7 +38,7 @@
#include <bsp.h>
#include <bsp/pwmss.h>
#include <bsp/beagleboneblack.h>
-
+#include <rtems/error.h>
/**
* @brief This function configures the L3 and L4_PER system clocks.
@@ -56,7 +56,10 @@
*/
rtems_status_code pwmss_module_clk_config(BBB_PWMSS pwmss_id)
{
- uint32_t clkctrl;
+ /* we initialize clkctrl here to nonsentical value as this is going
+ * to be assigned later anyway. Here assigning 0 is just to kill
+ * warning emitted by the C compiler. */
+ uint32_t clkctrl = 0;
/* calculate the address of the clock control register for the PWMSS
* module we are configuring */
@@ -66,6 +69,9 @@ rtems_status_code pwmss_module_clk_config(BBB_PWMSS pwmss_id)
clkctrl = AM335X_CM_PER_ADDR + AM335X_CM_PER_EPWMSS1_CLKCTRL;
} else if(pwmss_id == BBB_PWMSS2) {
clkctrl = AM335X_CM_PER_ADDR + AM335X_CM_PER_EPWMSS2_CLKCTRL;
+ } else {
+ /* wrong clock configuration, let's panic here. */
+ rtems_error(RTEMS_ERROR_PANIC, "beagle: unsupported pwmss module clock
configuration value!");
}
/* when the module is functional the IDLEST bits (16 -17) of the
--
2.25.1
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