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crypto: ccp - Enable DMA service on a v5 CCP

Every CCP is capable of providing general DMA services.
Register the device as a provider.

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Gary R Hook 9 years ago
parent
commit
99d90b2ebd
1 changed files with 8 additions and 0 deletions
  1. 8 0
      drivers/crypto/ccp/ccp-dev-v5.c

+ 8 - 0
drivers/crypto/ccp/ccp-dev-v5.c

@@ -832,6 +832,11 @@ static int ccp5_init(struct ccp_device *ccp)
 	if (ret)
 	if (ret)
 		goto e_kthread;
 		goto e_kthread;
 
 
+	/* Register the DMA engine support */
+	ret = ccp_dmaengine_register(ccp);
+	if (ret)
+		goto e_hwrng;
+
 	return 0;
 	return 0;
 
 
 e_kthread:
 e_kthread:
@@ -856,6 +861,9 @@ static void ccp5_destroy(struct ccp_device *ccp)
 	struct ccp_cmd *cmd;
 	struct ccp_cmd *cmd;
 	unsigned int i;
 	unsigned int i;
 
 
+	/* Unregister the DMA engine */
+	ccp_dmaengine_unregister(ccp);
+
 	/* Unregister the RNG */
 	/* Unregister the RNG */
 	ccp_unregister_rng(ccp);
 	ccp_unregister_rng(ccp);