diff options
| author | Gary R Hook <gary.hook@amd.com> | 2017-03-23 12:53:30 -0500 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-03-24 21:51:34 +0800 |
| commit | efc989fce8703914bac091dcc4b8ff7a72ccf987 (patch) | |
| tree | 6b76c798b51f90253eaf8ef1620d74f353b85edd /drivers/crypto/ccp/ccp-dev-v5.c | |
| parent | de5540d088fe97ad583cc7d396586437b32149a5 (diff) | |
crypto: ccp - Make some CCP DMA channels private
The CCP registers its queues as channels capable of handling
general DMA operations. The NTB driver will use DMA if
directed, but as public channels can be reserved for use in
asynchronous operations some channels should be held back
as private. Since the public/private determination is
handled at a device level, reserve the "other" (secondary)
CCP channels as private.
Add a module parameter that allows for override, to be
applied to all channels on all devices.
CC: <stable@vger.kernel.org> # 4.10.x-
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/ccp-dev-v5.c')
| -rw-r--r-- | drivers/crypto/ccp/ccp-dev-v5.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c index 41cc853f8569..fc08b4ed69d9 100644 --- a/drivers/crypto/ccp/ccp-dev-v5.c +++ b/drivers/crypto/ccp/ccp-dev-v5.c @@ -1015,6 +1015,7 @@ const struct ccp_vdata ccpv5a = { const struct ccp_vdata ccpv5b = { .version = CCP_VERSION(5, 0), + .dma_chan_attr = DMA_PRIVATE, .setup = ccp5other_config, .perform = &ccp5_actions, .bar = 2, |