diff options
Diffstat (limited to '')
| -rw-r--r-- | bsps/arm/beagle/pwmss/pwmss.c | 10 |
1 files 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 |