mac802154: tx: add comment at sync xmit callback
This patch adds a warning that xmit_sync callback is deprecated and
should be removed soon. The 802.15.4 subsystem will not accept synced
drivers anymore.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/include/net/mac802154.h b/include/net/mac802154.h
index 57b1202..942dd53 100644
--- a/include/net/mac802154.h
+++ b/include/net/mac802154.h
@@ -117,6 +117,10 @@
* synchronous 802.15.4 drivers.
* This function should return zero or negative errno.
*
+ * WARNING:
+ * This will be deprecated soon. We don't accept synced xmit callbacks
+ * drivers anymore.
+ *
* xmit_async:
* Handler that 802.15.4 module calls for each transmitted frame.
* skb cntains the buffer starting from the IEEE 802.15.4 header.