Merge branch 'fix-fix_rtc_spinlock_sleep_dead_lock_v5.3' into 'release/v5.3'

fix(esp_hw_support): fix possible dead lock in deepsleep process (v5.3)

See merge request espressif/esp-idf!49173

components/esp_hw_support/sleep_modes.c

@@ -1118,10 +1118,18 @@ static esp_err_t IRAM_ATTR deep_sleep_start(bool allow_sleep_rejection)
 
     esp_sync_timekeeping_timers();
 
+    // Must acquire all spinlocks which may be acquired during sleep process before stalling other core,
+    // otherwise deadlock may occur.
+    portENTER_CRITICAL(&spinlock_rtc_deep_sleep);
+#if !CONFIG_FREERTOS_UNICORE
+    extern portMUX_TYPE rtc_spinlock;
+    portENTER_CRITICAL_SAFE(&rtc_spinlock); // Maybe acquired from temp_sensor_get_raw_value by phy_close_rf callback
+    esp_clk_private_lock(); // Maybe acquired from esp_clk_slowclk_cal_set
+#endif
+
     /* Disable interrupts and stall another core in case another task writes
      * to RTC memory while we calculate RTC memory CRC.
      */
-    portENTER_CRITICAL(&spinlock_rtc_deep_sleep);
     esp_ipc_isr_stall_other_cpu();
     esp_ipc_isr_stall_pause();
 
@@ -1192,6 +1200,10 @@ static esp_err_t IRAM_ATTR deep_sleep_start(bool allow_sleep_rejection)
     // Never returns here, except that the sleep is rejected.
     esp_ipc_isr_stall_resume();
     esp_ipc_isr_release_other_cpu();
+#if !CONFIG_FREERTOS_UNICORE
+    esp_clk_private_unlock();
+    portEXIT_CRITICAL_SAFE(&rtc_spinlock);
+#endif
     portEXIT_CRITICAL(&spinlock_rtc_deep_sleep);
     return err;
 }