From 06a849b33ef3894702f7c6c55c1f8348c473bc36 Mon Sep 17 00:00:00 2001
From: Almir Okato <almir.okato@espressif.com>
Date: Thu, 1 Jul 2021 12:50:14 -0300
Subject: [PATCH] rtc: Add missing esp_rom_sys.h header in rtc clk

rtc_clk.c for esp32, esp32s2 and esp32s3 did not include the
esp_rom_sys.h header which could cause implicit declaration issues for
some function calls.
---
 components/esp_hw_support/port/esp32/rtc_clk.c   | 1 +
 components/esp_hw_support/port/esp32s2/rtc_clk.c | 1 +
 components/esp_hw_support/port/esp32s3/rtc_clk.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/components/esp_hw_support/port/esp32/rtc_clk.c b/components/esp_hw_support/port/esp32/rtc_clk.c
index dc20cd378c..b10eb6c518 100644
--- a/components/esp_hw_support/port/esp32/rtc_clk.c
+++ b/components/esp_hw_support/port/esp32/rtc_clk.c
@@ -29,6 +29,7 @@
 #include "soc/gpio_struct.h"
 #include "hal/cpu_hal.h"
 #include "hal/gpio_ll.h"
+#include "esp_rom_sys.h"
 #include "regi2c_ctrl.h"
 #include "soc_log.h"
 #include "sdkconfig.h"
diff --git a/components/esp_hw_support/port/esp32s2/rtc_clk.c b/components/esp_hw_support/port/esp32s2/rtc_clk.c
index 159f815298..937b5fd12c 100644
--- a/components/esp_hw_support/port/esp32s2/rtc_clk.c
+++ b/components/esp_hw_support/port/esp32s2/rtc_clk.c
@@ -27,6 +27,7 @@
 #include "soc/dport_reg.h"
 #include "soc/efuse_reg.h"
 #include "soc/syscon_reg.h"
+#include "esp_rom_sys.h"
 #include "regi2c_ctrl.h"
 #include "soc_log.h"
 #include "rtc_clk_common.h"
diff --git a/components/esp_hw_support/port/esp32s3/rtc_clk.c b/components/esp_hw_support/port/esp32s3/rtc_clk.c
index e847676f87..ec270a8c7f 100644
--- a/components/esp_hw_support/port/esp32s3/rtc_clk.c
+++ b/components/esp_hw_support/port/esp32s3/rtc_clk.c
@@ -28,6 +28,7 @@
 #include "soc/efuse_reg.h"
 #include "soc/syscon_reg.h"
 #include "soc/system_reg.h"
+#include "esp_rom_sys.h"
 #include "regi2c_ctrl.h"
 #include "soc_log.h"
 #include "rtc_clk_common.h"