From e1c25514093a340ee91e9afefb22c0acee03eaf2 Mon Sep 17 00:00:00 2001
From: areviu <areviu.info@gmail.com>
Date: Wed, 15 Nov 2017 21:51:14 +0000
Subject: added DmaRelease when driver stops

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11015 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/SAMA/LLD/CRYPTOv1/sama_crypto_lld.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'os/hal')

diff --git a/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_crypto_lld.c b/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_crypto_lld.c
index 6f9653779..0ee83e861 100644
--- a/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_crypto_lld.c
+++ b/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_crypto_lld.c
@@ -86,6 +86,13 @@ void samaCryptoDriverStart(CRYDriver *cryp) {
 }
 
 void samaCryptoDriverStop(CRYDriver *cryp) {
+#if defined(SAMA_DMA_REQUIRED)
+	if (cryp->config->transfer_mode == TRANSFER_DMA)
+	{
+		dmaChannelRelease(cryp->dmarx);
+		dmaChannelRelease(cryp->dmatx);
+	}
+#endif
 	samaCryptoDriverDisable(cryp);
 }
 
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