Commit 1f0b0f23 authored by Daniel Silsby's avatar Daniel Silsby Committed by Vinod Koul
Browse files

dmaengine: dma-jz4780: Use dma_set_residue() 



This is the standard method provided by dmaengine header.

Signed-off-by: default avatarDaniel Silsby <dansilsby@gmail.com>
Signed-off-by: default avatarPaul Cercueil <paul@crapouillou.net>
Tested-by: default avatarMathieu Malaterre <malat@debian.org>
Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 83ef4fb7

drivers/dma/dma-jz4780.c

+5 −4
Original line number Diff line number Diff line
@@ -639,6 +639,7 @@ 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))
@@ -649,13 +650,13 @@ 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))

CRA Git | Maintained and supported by SUSTech CRA and CCSE