From 99d90b2ebd8b327c0c496798db99009b30c70945 Mon Sep 17 00:00:00 2001 From: Gary R Hook Date: Tue, 26 Jul 2016 19:10:40 -0500 Subject: [PATCH] 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 Signed-off-by: Herbert Xu --- drivers/crypto/ccp/ccp-dev-v5.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c index ddce2205e5fa..40867141aea8 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);