lan743x: Fix TX Stall Issue

It has been observed that tx queue stalls while downloading
from certain web sites (example

The cause has been tracked down to a corner case where
dma descriptors where not setup properly. And there for a tx
completion interrupt was not signaled.

This fix corrects the problem by properly marking the end of
a multi descriptor transmission.

Fixes: 23f0703c125b ("lan743x: Add main source files for new lan743x driver")
Signed-off-by: Bryan Whitehead <>
Signed-off-by: David S. Miller <>
1 file changed