From 2e59e3f93cd61a3e24dce01bcf8ba861bb1c358c Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 1 Jun 2014 10:01:27 +0000
Subject: Fixed bug #510.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@6977 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/STM32/STM32F1xx/stm32_dma.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'os/hal/ports/STM32/STM32F1xx')

diff --git a/os/hal/ports/STM32/STM32F1xx/stm32_dma.c b/os/hal/ports/STM32/STM32F1xx/stm32_dma.c
index c3b39d37c..f6d8c8f49 100644
--- a/os/hal/ports/STM32/STM32F1xx/stm32_dma.c
+++ b/os/hal/ports/STM32/STM32F1xx/stm32_dma.c
@@ -472,7 +472,18 @@ void dmaStreamRelease(const stm32_dma_stream_t *dmastp) {
                 "not allocated");
 
   /* Disables the associated IRQ vector.*/
+#if !(STM32_HAS_DMA2 && !defined(STM32F10X_CL)) || defined(__DOXYGEN__)
   nvicDisableVector(dmastp->vector);
+#else
+  /* Check unless it is 10 or 11 stream. If yes, make additional check before
+     disabling IRQ.*/
+  if (dmastp->selfindex < 10)
+    nvicDisableVector(dmastp->vector);
+  else {
+    if (dma_streams_mask & (3 << 10) == 0)
+      nvicDisableVector(dmastp->vector);
+  }
+#endif/* STM32_HAS_DMA2 && !STM32F10X_CL */
 
   /* Marks the stream as not allocated.*/
   dma_streams_mask &= ~(1 << dmastp->selfindex);
-- 
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