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authorJiri Kosina <jkosina@suse.cz>2014-11-20 14:42:02 +0100
committerJiri Kosina <jkosina@suse.cz>2014-11-20 14:42:02 +0100
commita02001086bbfb4da35d1228bebc2f1b442db455f (patch)
tree62ab47936cef06fd08657ca5b6cd1df98c19be57 /include/linux/ccp.h
parenteff264efeeb0898408e8c9df72d8a32621035bed (diff)
parentfc14f9c1272f62c3e8d01300f52467c0d9af50f9 (diff)
Merge Linus' tree to be be to apply submitted patches to newer code than
current trivial.git base
Diffstat (limited to 'include/linux/ccp.h')
-rw-r--r--include/linux/ccp.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/ccp.h b/include/linux/ccp.h
index ebcc9d14621..7f437036baa 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;