esp_phy: use spinlock to avoid regi2c access conflicts

components/esp_phy/src/phy_override.c

@@ -0,0 +1,50 @@
+/*
+ * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdbool.h>
+#include "esp_private/regi2c_ctrl.h"
+#include "driver/adc.h"
+
+/*
+ * This file is used to override the hooks provided by the PHY lib for some system features.
+ * Call phy_override() so that this file will be linked.
+ */
+
+static bool s_wifi_adc_xpd_flag;
+
+void include_esp_phy_override(void)
+{
+    /* When this empty function is called, all functions below will be linked. */
+}
+
+/* Coordinate ADC power with other modules. */
+// It seems that it is only required on ESP32, but we still compile it for all chips, in case it is
+// called by PHY unexpectedly.
+void set_xpd_sar(bool en)
+{
+    if (s_wifi_adc_xpd_flag == en) {
+        /* ignore repeated calls to set_xpd_sar when the state is already correct */
+        return;
+    }
+
+    s_wifi_adc_xpd_flag = en;
+    if (en) {
+        adc_power_acquire();
+    } else {
+        adc_power_release();
+    }
+}
+
+//add spinlock protection
+void phy_i2c_enter_critical(void)
+{
+    regi2c_enter_critical();
+}
+
+void phy_i2c_exit_critical(void)
+{
+    regi2c_exit_critical();
+}