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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2020-03-16 12:36:48 +0300
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-03-20 11:02:45 +0300
commit8082d0a33cbae16d268639586a38cf080777d791 (patch)
tree1fd1036c2b000fc7c3ff462b089418659c89bbd3 /drivers/media/cec
parent80f13a0823a3663792fbb585c12a11d7e53beb86 (diff)
downloadlinux-8082d0a33cbae16d268639586a38cf080777d791.tar.xz
media: cec-notifier: make cec_notifier_get_conn() static
This function is no longer used by other drivers, so it can be made static. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/cec')
-rw-r--r--drivers/media/cec/cec-notifier.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/media/cec/cec-notifier.c b/drivers/media/cec/cec-notifier.c
index 32a0828fbfe0..e748cd54b45d 100644
--- a/drivers/media/cec/cec-notifier.c
+++ b/drivers/media/cec/cec-notifier.c
@@ -32,7 +32,21 @@ struct cec_notifier {
static LIST_HEAD(cec_notifiers);
static DEFINE_MUTEX(cec_notifiers_lock);
-struct cec_notifier *
+/**
+ * cec_notifier_get_conn - find or create a new cec_notifier for the given
+ * device and connector tuple.
+ * @hdmi_dev: device that sends the events.
+ * @port_name: the connector name from which the event occurs
+ *
+ * If a notifier for device @dev already exists, then increase the refcount
+ * and return that notifier.
+ *
+ * If it doesn't exist, then allocate a new notifier struct and return a
+ * pointer to that new struct.
+ *
+ * Return NULL if the memory could not be allocated.
+ */
+static struct cec_notifier *
cec_notifier_get_conn(struct device *hdmi_dev, const char *port_name)
{
struct cec_notifier *n;
@@ -68,7 +82,6 @@ unlock:
mutex_unlock(&cec_notifiers_lock);
return n;
}
-EXPORT_SYMBOL_GPL(cec_notifier_get_conn);
static void cec_notifier_release(struct kref *kref)
{