From e1cd5b909e61214df029a80692e937bb9c3cc11a Mon Sep 17 00:00:00 2001
From: "harshal.patil" <harshal.patil@espressif.com>
Date: Wed, 4 Sep 2024 13:22:07 +0530
Subject: [PATCH] fix(esp_security): Fix build failure when dpa protection at
 startup is disabled

---
 components/esp_security/src/esp_dpa_protection.c | 2 ++
 components/esp_security/src/esp_security_priv.h  | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/components/esp_security/src/esp_dpa_protection.c b/components/esp_security/src/esp_dpa_protection.c
index 19e9435373..f9f5e19714 100644
--- a/components/esp_security/src/esp_dpa_protection.c
+++ b/components/esp_security/src/esp_dpa_protection.c
@@ -16,10 +16,12 @@ static inline void esp_crypto_dpa_set_level(esp_crypto_dpa_sec_level_t level)
     REG_SET_FIELD(HP_SYSTEM_SEC_DPA_CONF_REG, HP_SYSTEM_SEC_DPA_LEVEL, level);
 }
 
+#if CONFIG_ESP_CRYPTO_DPA_PROTECTION_AT_STARTUP
 void esp_crypto_dpa_protection_startup(void)
 {
     esp_crypto_dpa_set_level(CONFIG_ESP_CRYPTO_DPA_PROTECTION_LEVEL);
 }
+#endif
 
 void esp_crypto_dpa_protection_enable(esp_crypto_dpa_sec_level_t level)
 {
diff --git a/components/esp_security/src/esp_security_priv.h b/components/esp_security/src/esp_security_priv.h
index 18cba2c90f..f17d6c4e4d 100644
--- a/components/esp_security/src/esp_security_priv.h
+++ b/components/esp_security/src/esp_security_priv.h
@@ -5,7 +5,10 @@
  */
 
 #pragma once
+#include "sdkconfig.h"
 
 /* Private interface file */
 
+#if CONFIG_ESP_CRYPTO_DPA_PROTECTION_AT_STARTUP
 void esp_crypto_dpa_protection_startup(void);
+#endif