diff mbox

[09/10] crypto: ccp - Enable DMA service on a v5 CCP

Message ID 20160727001040.24944.93400.stgit@taos (mailing list archive)
State Accepted
Delegated to: Herbert Xu
Headers show

Commit Message

Gary R Hook July 27, 2016, 12:10 a.m. UTC 
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>
---
 drivers/crypto/ccp/ccp-dev-v5.c |    8 ++++++++
 1 file changed, 8 insertions(+)


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diff mbox

Patch

diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c
index ddce220..4086714 100644
--- a/drivers/crypto/ccp/ccp-dev-v5.c
+++ b/drivers/crypto/ccp/ccp-dev-v5.c
@@ -832,6 +832,11 @@  static int ccp5_init(struct ccp_device *ccp)
 	if (ret)
 		goto e_kthread;
 
+	/* Register the DMA engine support */
+	ret = ccp_dmaengine_register(ccp);
+	if (ret)
+		goto e_hwrng;
+
 	return 0;
 
 e_kthread:
@@ -856,6 +861,9 @@  static void ccp5_destroy(struct ccp_device *ccp)
 	struct ccp_cmd *cmd;
 	unsigned int i;
 
+	/* Unregister the DMA engine */
+	ccp_dmaengine_unregister(ccp);
+
 	/* Unregister the RNG */
 	ccp_unregister_rng(ccp);