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>
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 @@
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 @@
struct ccp_cmd *cmd;
unsigned int i;
+ /* Unregister the DMA engine */
+ ccp_dmaengine_unregister(ccp);
+
/* Unregister the RNG */
ccp_unregister_rng(ccp);