fix: RTC_FAST_MEM always power on if used for heap
@@ -858,14 +858,17 @@ static uint32_t get_power_down_flags(void)
}
#endif
- // RTC_FAST_MEM is needed for deep sleep stub.
- // If RTC_FAST_MEM is Auto, keep it powered on, so that deep sleep stub
- // can run.
- // In the new chip revision, deep sleep stub will be optional,
- // and this can be changed.
+#if !CONFIG_ESP32_ALLOW_RTC_FAST_MEM_AS_HEAP && !CONFIG_ESP32S2_ALLOW_RTC_FAST_MEM_AS_HEAP && !CONFIG_ESP32S3_ALLOW_RTC_FAST_MEM_AS_HEAP
+ /* RTC_FAST_MEM is needed for deep sleep stub.
+ If RTC_FAST_MEM is Auto, keep it powered on, so that deep sleep stub can run.
+ In the new chip revision, deep sleep stub will be optional, and this can be changed. */
if (s_config.pd_options[ESP_PD_DOMAIN_RTC_FAST_MEM] == ESP_PD_OPTION_AUTO) {
s_config.pd_options[ESP_PD_DOMAIN_RTC_FAST_MEM] = ESP_PD_OPTION_ON;
}
+#else
+ /* If RTC_FAST_MEM is used for heap, force RTC_FAST_MEM to be powered on. */
+ s_config.pd_options[ESP_PD_DOMAIN_RTC_FAST_MEM] = ESP_PD_OPTION_ON;
+#endif
// RTC_PERIPH is needed for EXT0 wakeup and GPIO wakeup.
// If RTC_PERIPH is auto, and EXT0/GPIO aren't enabled, power down RTC_PERIPH.
