Dear Marek, > From: Marek Vasut <[email protected]> > Sent: lundi 23 mars 2020 02:45 > > This code programs the next descriptor in the TX descriptor ring into the > hardware > as the last valid TX descriptor. The problem is that if the currenty > descriptor is the > last one in the array, the code will not wrap around correctly and use TX > descriptor 0 again, but instead will use TX descriptor at address right past > the TX > descriptor ring, which is the first descriptor in the RX ring. > > Fix this by adding the necessary wrap-around. > > Signed-off-by: Marek Vasut <[email protected]> > Cc: Joe Hershberger <[email protected]> > Cc: Patrice Chotard <[email protected]> > Cc: Patrick Delaunay <[email protected]> > Cc: Ramon Fried <[email protected]> > Cc: Stephen Warren <[email protected]> > ---
Reviewed-by: Patrick Delaunay <[email protected]> Thanks Patrick
