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soc: silabs: Fix double WFI for Silabs S2 SoCs

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k_cpu_idle() and sl_power_manager_sleep() call WFI.
Remove the call to k_cpu_idle() and add back its tracing and
hook functions.

Signed-off-by: Bastien Beauchamp <bastien.beauchamp@silabs.com>
This commit is contained in:
Bastien Beauchamp 2025-01-21 08:27:26 -05:00 • committed by Benjamin Cabé
commit 19756be822
1 changed files with 8 additions and 1 deletions
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9
soc/silabs/common/soc_power_pmgr.c
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@ -63,9 +63,16 @@ void pm_state_set(enum pm_state state, uint8_t substate_id)
if (energy_mode == SL_POWER_MANAGER_EM4) { if (energy_mode == SL_POWER_MANAGER_EM4) {
sl_power_manager_enter_em4(); sl_power_manager_enter_em4();
} else if (energy_mode != SL_POWER_MANAGER_EM0) { } else if (energy_mode != SL_POWER_MANAGER_EM0) {
/* Calling the tracing and hook functions provided in arch_cpu_idle(). */
#if defined(CONFIG_TRACING)
sys_trace_idle();
#endif
#if CONFIG_ARM_ON_ENTER_CPU_IDLE_PREPARE_HOOK
z_arm_on_enter_cpu_idle_prepare();
#endif
sl_power_manager_add_em_requirement(energy_mode); sl_power_manager_add_em_requirement(energy_mode);
sl_power_manager_sleep(); sl_power_manager_sleep();
k_cpu_idle();
sl_power_manager_remove_em_requirement(energy_mode); sl_power_manager_remove_em_requirement(energy_mode);
} }