diff options
Diffstat (limited to 'include/linux/ccp.h')
| -rw-r--r-- | include/linux/ccp.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/ccp.h b/include/linux/ccp.h index ebcc9d146219..7f437036baa4 100644 --- a/include/linux/ccp.h +++ b/include/linux/ccp.h @@ -27,6 +27,13 @@ struct ccp_cmd; defined(CONFIG_CRYPTO_DEV_CCP_DD_MODULE) /** + * ccp_present - check if a CCP device is present + * + * Returns zero if a CCP device is present, -ENODEV otherwise. + */ +int ccp_present(void); + +/** * ccp_enqueue_cmd - queue an operation for processing by the CCP * * @cmd: ccp_cmd struct to be processed @@ -53,6 +60,11 @@ int ccp_enqueue_cmd(struct ccp_cmd *cmd); #else /* CONFIG_CRYPTO_DEV_CCP_DD is not enabled */ +static inline int ccp_present(void) +{ + return -ENODEV; +} + static inline int ccp_enqueue_cmd(struct ccp_cmd *cmd) { return -ENODEV; |