diff options
Diffstat (limited to 'drivers/crypto/ccp')
-rw-r--r-- | drivers/crypto/ccp/ccp-crypto-main.c | 4 | ||||
-rw-r--r-- | drivers/crypto/ccp/ccp-dev.c | 14 | ||||
-rw-r--r-- | drivers/crypto/ccp/ccp-pci.c | 2 |
3 files changed, 19 insertions, 1 deletions
diff --git a/drivers/crypto/ccp/ccp-crypto-main.c b/drivers/crypto/ccp/ccp-crypto-main.c index 20dc848481e..4d4e016d755 100644 --- a/drivers/crypto/ccp/ccp-crypto-main.c +++ b/drivers/crypto/ccp/ccp-crypto-main.c @@ -367,6 +367,10 @@ static int ccp_crypto_init(void) { int ret; + ret = ccp_present(); + if (ret) + return ret; + spin_lock_init(&req_queue_lock); INIT_LIST_HEAD(&req_queue.cmds); req_queue.backlog = &req_queue.cmds; diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c index a7d110652a7..c6e6171eb6d 100644 --- a/drivers/crypto/ccp/ccp-dev.c +++ b/drivers/crypto/ccp/ccp-dev.c @@ -55,6 +55,20 @@ static inline void ccp_del_device(struct ccp_device *ccp) } /** + * ccp_present - check if a CCP device is present + * + * Returns zero if a CCP device is present, -ENODEV otherwise. + */ +int ccp_present(void) +{ + if (ccp_get_device()) + return 0; + + return -ENODEV; +} +EXPORT_SYMBOL_GPL(ccp_present); + +/** * ccp_enqueue_cmd - queue an operation for processing by the CCP * * @cmd: ccp_cmd struct to be processed diff --git a/drivers/crypto/ccp/ccp-pci.c b/drivers/crypto/ccp/ccp-pci.c index 180cc87b4db..7f89c946adf 100644 --- a/drivers/crypto/ccp/ccp-pci.c +++ b/drivers/crypto/ccp/ccp-pci.c @@ -320,7 +320,7 @@ static int ccp_pci_resume(struct pci_dev *pdev) } #endif -static DEFINE_PCI_DEVICE_TABLE(ccp_pci_table) = { +static const struct pci_device_id ccp_pci_table[] = { { PCI_VDEVICE(AMD, 0x1537), }, /* Last entry must be zero */ { 0, } |