From dcf8830c452d9d19a10931fd0c400b46413b97b0 Mon Sep 17 00:00:00 2001
From: barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 8 Dec 2012 20:43:44 +0000
Subject: [PATCH] RTCv1.  Fixed compilation issue with HAL_USE_RTC disabled
 (bug 3594083)

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4894 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/platforms/STM32F1xx/hal_lld.c | 2 ++
 readme.txt                           | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/os/hal/platforms/STM32F1xx/hal_lld.c b/os/hal/platforms/STM32F1xx/hal_lld.c
index bcb7d3f47..3d3c6caaa 100644
--- a/os/hal/platforms/STM32F1xx/hal_lld.c
+++ b/os/hal/platforms/STM32F1xx/hal_lld.c
@@ -76,7 +76,9 @@ static void hal_lld_backup_domain_init(void) {
     RCC->BDCR |= RCC_BDCR_RTCEN;
 
     /* Prescaler value loaded in registers.*/
+#if HAL_USE_RTC
     rtc_lld_set_prescaler();
+#endif /* HAL_USE_RTC */
   }
 #endif /* STM32_RTCSEL != STM32_RTCSEL_NOCLOCK */
 }
diff --git a/readme.txt b/readme.txt
index 1bc573183..b47c67298 100644
--- a/readme.txt
+++ b/readme.txt
@@ -82,6 +82,8 @@
 *****************************************************************************
 
 *** 2.5.1 ***
+- FIX: Compilation issue with HAL_USE_RTC disabled (bug 3594083) (backported
+  to 2.4.3).
 - FIX: Wasting of BKP registers in RTCv1 driver (bug 3594005) (backported
   to 2.4.3).
 - FIX: Potential problem with RTC_CRL_RSF bit (bug 3593972) (backported