diff options
Diffstat (limited to 'drivers/dma/dw/core.c')
| -rw-r--r-- | drivers/dma/dw/core.c | 29 |
1 files changed, 3 insertions, 26 deletions
diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 89eb89f22284..7516be4677cf 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -85,10 +85,6 @@ static struct device *chan2dev(struct dma_chan *chan) { return &chan->dev->device; } -static struct device *chan2parent(struct dma_chan *chan) -{ - return chan->dev->device.parent; -} static struct dw_desc *dwc_first_active(struct dw_dma_chan *dwc) { @@ -311,26 +307,7 @@ dwc_descriptor_complete(struct dw_dma_chan *dwc, struct dw_desc *desc, list_splice_init(&desc->tx_list, &dwc->free_list); list_move(&desc->desc_node, &dwc->free_list); - if (!is_slave_direction(dwc->direction)) { - struct device *parent = chan2parent(&dwc->chan); - if (!(txd->flags & DMA_COMPL_SKIP_DEST_UNMAP)) { - if (txd->flags & DMA_COMPL_DEST_UNMAP_SINGLE) - dma_unmap_single(parent, desc->lli.dar, - desc->total_len, DMA_FROM_DEVICE); - else - dma_unmap_page(parent, desc->lli.dar, - desc->total_len, DMA_FROM_DEVICE); - } - if (!(txd->flags & DMA_COMPL_SKIP_SRC_UNMAP)) { - if (txd->flags & DMA_COMPL_SRC_UNMAP_SINGLE) - dma_unmap_single(parent, desc->lli.sar, - desc->total_len, DMA_TO_DEVICE); - else - dma_unmap_page(parent, desc->lli.sar, - desc->total_len, DMA_TO_DEVICE); - } - } - + dma_descriptor_unmap(txd); spin_unlock_irqrestore(&dwc->lock, flags); if (callback) @@ -1098,13 +1075,13 @@ dwc_tx_status(struct dma_chan *chan, enum dma_status ret; ret = dma_cookie_status(chan, cookie, txstate); - if (ret == DMA_SUCCESS) + if (ret == DMA_COMPLETE) return ret; dwc_scan_descriptors(to_dw_dma(chan->device), dwc); ret = dma_cookie_status(chan, cookie, txstate); - if (ret != DMA_SUCCESS) + if (ret != DMA_COMPLETE) dma_set_residue(txstate, dwc_get_residue(dwc)); if (dwc->paused && ret == DMA_IN_PROGRESS) |