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smartbond_timer: Use hw clock frequency for watchdog expire ticks #83635

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merged 2 commits into from
Jan 15, 2025
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smartbond_timer: Use hw clock frequency for watchdog expire ticks #83635

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a276039
smartbond_timer: Use hw clock frequency for watchdog expire ticks
ydamigos Jan 7, 2025
bd784cc
smartbond_timer: If PM is set, take into account watchdog for timeout…
ydamigos Jan 8, 2025
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5 changes: 3 additions & 2 deletions drivers/timer/smartbond_timer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,7 @@ void sys_clock_set_timeout(int32_t ticks, bool idle)
* as soon as system is awaken. Following code makes sure that
* system never goes to sleep for longer time that watchdog reload value.
*/
if (!IS_ENABLED(CONFIG_WDT_SMARTBOND) && IS_ENABLED(CONFIG_PM)) {
if (IS_ENABLED(CONFIG_PM)) {
uint32_t watchdog_expire_ticks;

if (CRG_TOP->CLK_RCX_REG & CRG_TOP_CLK_RCX_REG_RCX_ENABLE_Msk) {
Expand All @@ -120,7 +120,8 @@ void sys_clock_set_timeout(int32_t ticks, bool idle)
* RC32K maximum frequency.
*/
watchdog_expire_ticks = SYS_WDOG->WATCHDOG_REG *
CONFIG_SYS_CLOCK_TICKS_PER_SEC / (get_rc32k_max_frequency() / 320);
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC /
(get_rc32k_max_frequency() / 320);
}
if (watchdog_expire_ticks - 2 < ticks) {
ticks = watchdog_expire_ticks - 2;
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