drivers: timer: mcux_os_timer: Improve the overflow handling logic (a0536658) · Commits · Wenxi XU / zephyr

drivers/timer/mcux_os_timer.c

+7 −5

Original line number	Diff line number	Diff line
		@@ -191,7 +191,7 @@ static uint32_t mcux_lpc_ostick_compensate_system_timer(void)
		return 0;
		}

		static uint32_t mcux_os_timer_set_lp_counter_timeout(void)
		static void mcux_os_timer_set_lp_counter_timeout(void)
		{
		uint64_t timeout;

		@@ -200,10 +200,9 @@ static uint32_t mcux_os_timer_set_lp_counter_timeout(void)
		* from low power modes.
		*/
		if (pm_state_next_get(0)->state != PM_STATE_STANDBY) {
		return 1;
		return;
		}


		if (wait_forever) {
		timeout = UINT32_MAX;
		} else if (counter_remaining_ticks) {
		@@ -222,7 +221,7 @@ static uint32_t mcux_os_timer_set_lp_counter_timeout(void)
		timeout = (((timeout / CYC_PER_TICK) * CYC_PER_TICK) * CYC_PER_US);
		}

		return mcux_lpc_ostick_set_counter_timeout(timeout);
		mcux_lpc_ostick_set_counter_timeout(timeout);
		}
		#else
		#define mcux_os_timer_set_lp_counter_timeout(...) do { } while (0)
		@@ -242,7 +241,8 @@ void sys_clock_set_timeout(int32_t ticks, bool idle)

		#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(standby)) && CONFIG_PM
		/* We intercept calls from idle with a 0 tick count when PM=y */
		if (idle && (ticks == 0) && (mcux_os_timer_set_lp_counter_timeout() == 0)) {
		if (idle && (ticks == 0)) {
		mcux_os_timer_set_lp_counter_timeout();
		/* A low power counter has been started. No need to
		* go further, simply return
		*/
		@@ -277,6 +277,8 @@ void sys_clock_set_timeout(int32_t ticks, bool idle)

		OSTIMER_SetMatchValue(base, cyc + last_count - cyc_sys_compensated, NULL);

		counter_remaining_ticks = 0;

		k_spin_unlock(&lock, key);
		}