From bf464a835d40efa0f766e5602bf0cd566ce48327 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 1 Nov 2009 18:05:54 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1262
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/io/platforms/STM32/stm32_dma.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

(limited to 'os')

diff --git a/os/io/platforms/STM32/stm32_dma.c b/os/io/platforms/STM32/stm32_dma.c
index 7368f1bb9..9593a5f51 100644
--- a/os/io/platforms/STM32/stm32_dma.c
+++ b/os/io/platforms/STM32/stm32_dma.c
@@ -45,11 +45,8 @@ static cnt_t dmacnt2;
 void dmaInit(void) {
 
   dmacnt1 = 0;
-  DMA1->IFCR = 0x0FFFFFFF;
-
 #if defined(STM32F10X_HD) || defined (STM32F10X_CL)
   dmacnt2 = 0;
-  DMA2->IFCR = 0x0FFFFFFF;
 #endif
 }
 
@@ -62,13 +59,17 @@ void dmaEnable(uint32_t dma) {
 
   switch (dma) {
   case DMA1_ID:
-    if (dmacnt1++ == 0)
+    if (dmacnt1++ == 0) {
       RCC->AHBENR |= RCC_AHBENR_DMA1EN;
+      DMA1->IFCR = 0x0FFFFFFF;
+    }
     break;
 #if defined(STM32F10X_HD) || defined (STM32F10X_CL)
   case DMA2_ID:
-    if (dmacnt2++ == 0)
+    if (dmacnt2++ == 0) {
       RCC->AHBENR |= RCC_AHBENR_DMA2EN;
+      DMA2->IFCR = 0x0FFFFFFF;
+    }
     break;
 #endif
   }
-- 
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