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From 462132b2edb18653be39b96fa6168c503d87fa6e Mon Sep 17 00:00:00 2001
From: Valentine Barshak <valentine.barshak@cogentembedded.com>
Date: Thu, 22 Nov 2018 18:19:30 +0300
Subject: [PATCH 52/61] Revert "dmaengine: rcar-dmac: use TCRB instead of TCR
for "residue"
The patch breaks SCIF DMA support.
This partially reverts commit f5927ca87de38ab81a19cbb03e774b57c0e46fed.
Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
---
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 218c5b0e..f487ceb 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -1364,7 +1364,7 @@ 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;
}
--
2.7.4
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