RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

bsps/beagle: fix warning on possibly uninitialized clock control in pwmss.

Browse Source
This commit is contained in:
Karel Gardas
2023-02-11 20:58:55 +01:00
parent 4600dd1d2f
commit 673d7861e3
1 changed files with 8 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
bsps/arm/beagle/pwmss/pwmss.c
View File

@@ -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