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| author |   Gary R Hook <gary.hook@amd.com> | 2016-07-26 19:10:40 -0500 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2016-08-09 18:47:18 +0800 |
| commit | 99d90b2ebd8b327c0c496798db99009b30c70945 (patch) | |
| tree | d69024c77550e6c0e4b4022057f10745705d1bca /drivers/crypto/ccp | |
| parent | crypto: ccp - Add support for the RNG in a version 5 CCP (diff) | |
| download | linux-dev-99d90b2ebd8b327c0c496798db99009b30c70945.tar.xz linux-dev-99d90b2ebd8b327c0c496798db99009b30c70945.zip | |
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>
Diffstat (limited to 'drivers/crypto/ccp')
| -rw-r--r-- | drivers/crypto/ccp/ccp-dev-v5.c | 8 |
1 files changed, 8 insertions, 0 deletions
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); |