cpu_freq: Avoid redundant cpu_freq_policy_reset()

The current code calls cpu_freq_policy_reset() once within
the SMP branch of the cpu_freq_timer_handler function, and
then calls it again at the beginning of cpu_freq_next_pstate().
This causes repeated resets of 'pstate_best' and
'num_unprocessed_cpus', which prevents the 'last core' from
being reached. The initiating core should perform a reset
before broadcasting, and other cores should not reset again.

Signed-off-by: Zhaoxiang Jin <[email protected]>

Author: ZhaoxiangJin

subsys/cpu_freq/cpu_freq.c

@@ -28,8 +28,6 @@ static void cpu_freq_next_pstate(void)
 	/* Get next performance state */
 	const struct pstate *pstate_next;
 
-	cpu_freq_policy_reset();
-
 	ret = cpu_freq_policy_select_pstate(&pstate_next);
 	if (ret) {
 		LOG_ERR("Failed to get pstate: %d", ret);