stm class: Plug stm device's unlink callback
STM device's unlink callback is never actually called from anywhere in
the stm class code.
This patch adds calls to stm driver's unlink method after the unlinking
has succeeded.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/stm.h b/include/linux/stm.h
index ab8ceca..1a79ed8 100644
--- a/include/linux/stm.h
+++ b/include/linux/stm.h
@@ -74,6 +74,9 @@
* it must return zero;
* 3) if it does not support the requested packet type/flag combination,
* it must return -ENOTSUPP.
+ *
+ * The @unlink callback is called when there are no more active writers so
+ * that the master/channel can be quiesced.
*/
struct stm_data {
const char *name;