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crypto: ccp - Change a message to reflect status instead of failure

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If an AMD BIOS makes zero CCP queues available to the driver, the
device is unavailable and therefore can't be activated. When this
happens, report the status but don't report a (non-existent)
failure. The CCP will be unactivated.

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Hook, Gary 2019-10-21 13:44:37 +00:00 committed by Herbert Xu
parent 9a8641a7ff
commit 0d3c6781d8
2 changed files with 13 additions and 4 deletions
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2
drivers/crypto/ccp/ccp-dev-v5.c
View File

@ -854,7 +854,7 @@ static int ccp5_init(struct ccp_device *ccp)
if (ccp->cmd_q_count == 0) {
dev_notice(dev, "no command queues available\n");
ret = -EIO;
ret = 1;
goto e_pool;
}

15
drivers/crypto/ccp/ccp-dev.c
View File

@ -641,18 +641,27 @@ int ccp_dev_init(struct sp_device *sp)
ccp->vdata->setup(ccp);
ret = ccp->vdata->perform->init(ccp);
if (ret)
if (ret) {
/* A positive number means that the device cannot be initialized,
* but no additional message is required.
*/
if (ret > 0)
goto e_quiet;
/* An unexpected problem occurred, and should be reported in the log */
goto e_err;
}
dev_notice(dev, "ccp enabled\n");
return 0;
e_err:
sp->ccp_data = NULL;
dev_notice(dev, "ccp initialization failed\n");
e_quiet:
sp->ccp_data = NULL;
return ret;
}