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-rw-r--r--drivers/counter/counter-core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/counter/counter-core.c b/drivers/counter/counter-core.c
index c533a6ff12cf..3cda2c47bacb 100644
--- a/drivers/counter/counter-core.c
+++ b/drivers/counter/counter-core.c
@@ -38,6 +38,9 @@ static struct bus_type counter_bus_type = {
* This function registers a Counter to the system. A sysfs "counter" directory
* will be created and populated with sysfs attributes correlating with the
* Counter Signals, Synapses, and Counts respectively.
+ *
+ * RETURNS:
+ * 0 on success, negative error number on failure.
*/
int counter_register(struct counter_device *const counter)
{