esp_phy: use spinlock to avoid regi2c access conflicts

components/esp_wifi/src/wifi_init.c

@@ -15,7 +15,6 @@
 #include "soc/rtc.h"
 #include "esp_wpa.h"
 #include "esp_netif.h"
-#include "driver/adc.h"
 #include "esp_coexist_internal.h"
 #include "esp_phy_init.h"
 #include "phy.h"
@@ -56,7 +55,6 @@ uint64_t g_wifi_feature_caps =
 #endif
 0;
 
-static bool s_wifi_adc_xpd_flag;
 
 static const char* TAG = "wifi_init";
 
@@ -278,24 +276,6 @@ void wifi_apb80m_release(void)
 }
 #endif //CONFIG_PM_ENABLE
 
-/* Coordinate ADC power with other modules. This overrides the function from PHY lib. */
-// 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();
-    }
-}
-
 #ifndef CONFIG_ESP_WIFI_FTM_ENABLE
 void ieee80211_ftm_attach(void)
 {