--- a/src/PmcTimerConfig.c	2025-09-04 12:17:16.771707049 +0200
+++ b/src/PmcTimerConfig.c	2025-09-04 12:17:04.878515468 +0200
@@ -99,7 +99,7 @@ static void PmcInitTimer(void* pInfo)
 
     DRVPRINT("pTimerConfig(%p)", pTimerConfig);
 
-    hrtimer_init(&pTimerConfig->m_hrTimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_PINNED);
+    hrtimer_setup(&pTimerConfig->m_hrTimer, PmcTimerCallback, CLOCK_MONOTONIC, HRTIMER_MODE_REL_PINNED);
 }
 
 int PmcSetupTimer(ClientContext* pClientCtx)
@@ -157,7 +157,6 @@ int PmcSetupTimer(ClientContext* pClient
                 {
                     /* Interval in ms */
                     pTimerConfig->m_time = ktime_set(interval / 1000, interval * 1000000);
-                    pTimerConfig->m_hrTimer.function = PmcTimerCallback;
 
                     DRVPRINT("retVal(%d) m_time(%lld)", retVal, (long long int) pTimerConfig->m_time);
                 }
--- a/src/PwrProfTimer.c	2025-09-04 12:18:08.750544327 +0200
+++ b/src/PwrProfTimer.c	2025-09-04 12:18:28.557863382 +0200
@@ -573,8 +573,7 @@ void InitHrTimer(uint32 cpu)
     pCoreClientData = &per_cpu(g_coreClientData, cpu);
 
     // initialize HR timer
-    hrtimer_init(&pCoreClientData->m_hrTimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_PINNED);
-    pCoreClientData->m_hrTimer.function = &HrTimerCallback;
+    hrtimer_setup(&pCoreClientData->m_hrTimer, &HrTimerCallback, CLOCK_MONOTONIC, HRTIMER_MODE_REL_PINNED);
 
     return;
 } // InitHrTimer