On Mon, Jul 02, 2018 at 02:34:04AM +0000, Kuninori Morimoto wrote: > > From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > > We need to clear channel register in error case as recovery. > The channel is already stopped in such case, thus we don't need to call > rcar_dmac_chan_halt() before clearing. > > rcar_dmac_chan_halt() will clear and confirm DE bit. > But it will be failed because channel is already stopped in error case. > In other words, we shouldn't call it then. > > Reported-by: Hiroki Negishi <hiroki.negishi.bx@xxxxxxxxxxx> > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > Reviewed-by: Hiroki Negishi <hiroki.negishi.bx@xxxxxxxxxxx> Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
