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-rw-r--r--drivers/dma/sh/rcar-dmac.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index be82d6997a55..48ee35e2bce6 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -770,20 +770,6 @@ static void rcar_dmac_clear_chcr_de(struct rcar_dmac_chan *chan)
rcar_dmac_chcr_de_barrier(chan);
}
-static void rcar_dmac_sync_tcr(struct rcar_dmac_chan *chan)
-{
- u32 chcr = rcar_dmac_chan_read(chan, RCAR_DMACHCR);
-
- if (!(chcr & RCAR_DMACHCR_DE))
- return;
-
- rcar_dmac_clear_chcr_de(chan);
-
- /* back DE if remain data exists */
- if (rcar_dmac_chan_read(chan, RCAR_DMATCR))
- rcar_dmac_chan_write(chan, RCAR_DMACHCR, chcr);
-}
-
static void rcar_dmac_chan_halt(struct rcar_dmac_chan *chan)
{
u32 chcr = rcar_dmac_chan_read(chan, RCAR_DMACHCR);
@@ -1367,9 +1353,6 @@ static unsigned int rcar_dmac_chan_get_residue(struct rcar_dmac_chan *chan,
residue += chunk->size;
}
- if (desc->direction == DMA_DEV_TO_MEM)
- rcar_dmac_sync_tcr(chan);
-
/* Add the residue for the current chunk. */
residue += rcar_dmac_chan_read(chan, RCAR_DMATCRB) << desc->xfer_shift;