Messages in this thread Patch in this message | | | From | Paul Cercueil <> | Subject | [PATCH v2 14/17] dmaengine: dma-jz4780: Use dma_set_residue() | Date | Wed, 18 Jul 2018 20:20:20 +0200 |
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From: Daniel Silsby <dansilsby@gmail.com>
This is the standard method provided by dmaengine header.
Signed-off-by: Daniel Silsby <dansilsby@gmail.com> Tested-by: Mathieu Malaterre <malat@debian.org> --- drivers/dma/dma-jz4780.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
v2: No change
diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c index b9db539a5b34..ea17886031fa 100644 --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -637,6 +637,7 @@ static enum dma_status jz4780_dma_tx_status(struct dma_chan *chan, struct virt_dma_desc *vdesc; enum dma_status status; unsigned long flags; + unsigned long residue = 0; status = dma_cookie_status(chan, cookie, txstate); if ((status == DMA_COMPLETE) || (txstate == NULL)) @@ -647,13 +648,13 @@ static enum dma_status jz4780_dma_tx_status(struct dma_chan *chan, vdesc = vchan_find_desc(&jzchan->vchan, cookie); if (vdesc) { /* On the issued list, so hasn't been processed yet */ - txstate->residue = jz4780_dma_desc_residue(jzchan, + residue = jz4780_dma_desc_residue(jzchan, to_jz4780_dma_desc(vdesc), 0); } else if (cookie == jzchan->desc->vdesc.tx.cookie) { - txstate->residue = jz4780_dma_desc_residue(jzchan, jzchan->desc, + residue = jz4780_dma_desc_residue(jzchan, jzchan->desc, jzchan->curr_hwdesc + 1); - } else - txstate->residue = 0; + } + dma_set_residue(txstate, residue); if (vdesc && jzchan->desc && vdesc == &jzchan->desc->vdesc && jzchan->desc->status & (JZ_DMA_DCS_AR | JZ_DMA_DCS_HLT)) -- 2.11.0
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