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

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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>
This commit is contained in:
Vinod Koul 2017-11-08 11:01:45 +05:30
parent 847449f23d
commit 087ffdd288
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/sh/rcar-dmac.c
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@ -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;
}