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

This reverts commit 847449f23dcb: ("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>

diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 50c4950050bea876f01e5685afed07861b809761..2b2c7db3e48043fcdb1d0ed377613dde185f0a1b 100644 (file)
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -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;
 }