Commit 087ffdd2 authored Nov 08, 2017 by Vinod Koul

dmaengine: Revert "rcar-dmac: use TCRB instead of TCR for residue"



This reverts commit 847449f2: ("dmaengine: rcar-dmac: use TCRB instead
of TCR for residue") as it breaks small serial console.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

parent 847449f2

drivers/dma/sh/rcar-dmac.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1310,7 +1310,7 @@ static unsigned int rcar_dmac_chan_get_residue(struct rcar_dmac_chan *chan,
		}

		/* Add the residue for the current chunk. */
		residue += rcar_dmac_chan_read(chan, RCAR_DMATCRB) << desc->xfer_shift;
		residue += rcar_dmac_chan_read(chan, RCAR_DMATCR) << desc->xfer_shift;

		return residue;
		}