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From b3026b3a8ddcd9801583aa5e653ef432fbe60bf0 Mon Sep 17 00:00:00 2001
From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Date: Mon, 4 Dec 2017 17:49:47 +0300
Subject: [PATCH] Revert "dmaengine: rcar-dmac: use TCRB instead of TCR for
residue"
The patch breaks SCIF DMA support
This reverts commit 936abcc1d0b13ff4a112b153e56c0e60bbdc0f5f.
---
drivers/dma/sh/rcar-dmac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 9120ff4..0ae7131 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -1298,7 +1298,7 @@ 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;
}
--
1.9.1
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