On Mon, Jan 07, 2019 at 05:23:17PM +0100, Geert Uytterhoeven wrote: > The cookies and channel pointer for the DMA receive channel are > invalidated in two places, and one more is planned. > Extract this functionality in a common helper. > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>