The CCP cannot be hot-plugged so it will either be there
or it won't. Do not allow the driver to stay loaded if the
CCP does not successfully initialize.
Provide stub routines in the ccp.h file that return -ENODEV
if the CCP has not been configured in the build.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Driver core sets it to NULL upon probe failure or release.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
These routines provide the device driver support for the AMD
Cryptographic Coprocessor (CCP).
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tom Lendacky