Dear Marek, > From: Marek Vasut <[email protected]> > Sent: lundi 23 mars 2020 02:45 > > The DMA may attempt to write a DMA descriptor in the ring while it is being > updated. By writing the DMA descriptor buffer address to 0, it is assured the > DMA > will not use such a buffer and the buffer can be updated without any > interference. > > 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]>
