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path: root/drivers/dma/s3c24xx-dma.c
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Diffstat (limited to 'drivers/dma/s3c24xx-dma.c')
-rw-r--r--drivers/dma/s3c24xx-dma.c33
1 files changed, 2 insertions, 31 deletions
diff --git a/drivers/dma/s3c24xx-dma.c b/drivers/dma/s3c24xx-dma.c
index 4cb127978636..4eddedb6eb7d 100644
--- a/drivers/dma/s3c24xx-dma.c
+++ b/drivers/dma/s3c24xx-dma.c
@@ -628,42 +628,13 @@ retry:
628 s3cchan->state = S3C24XX_DMA_CHAN_IDLE; 628 s3cchan->state = S3C24XX_DMA_CHAN_IDLE;
629} 629}
630 630
631static void s3c24xx_dma_unmap_buffers(struct s3c24xx_txd *txd)
632{
633 struct device *dev = txd->vd.tx.chan->device->dev;
634 struct s3c24xx_sg *dsg;
635
636 if (!(txd->vd.tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) {
637 if (txd->vd.tx.flags & DMA_COMPL_SRC_UNMAP_SINGLE)
638 list_for_each_entry(dsg, &txd->dsg_list, node)
639 dma_unmap_single(dev, dsg->src_addr, dsg->len,
640 DMA_TO_DEVICE);
641 else {
642 list_for_each_entry(dsg, &txd->dsg_list, node)
643 dma_unmap_page(dev, dsg->src_addr, dsg->len,
644 DMA_TO_DEVICE);
645 }
646 }
647
648 if (!(txd->vd.tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) {
649 if (txd->vd.tx.flags & DMA_COMPL_DEST_UNMAP_SINGLE)
650 list_for_each_entry(dsg, &txd->dsg_list, node)
651 dma_unmap_single(dev, dsg->dst_addr, dsg->len,
652 DMA_FROM_DEVICE);
653 else
654 list_for_each_entry(dsg, &txd->dsg_list, node)
655 dma_unmap_page(dev, dsg->dst_addr, dsg->len,
656 DMA_FROM_DEVICE);
657 }
658}
659
660static void s3c24xx_dma_desc_free(struct virt_dma_desc *vd) 631static void s3c24xx_dma_desc_free(struct virt_dma_desc *vd)
661{ 632{
662 struct s3c24xx_txd *txd = to_s3c24xx_txd(&vd->tx); 633 struct s3c24xx_txd *txd = to_s3c24xx_txd(&vd->tx);
663 struct s3c24xx_dma_chan *s3cchan = to_s3c24xx_dma_chan(vd->tx.chan); 634 struct s3c24xx_dma_chan *s3cchan = to_s3c24xx_dma_chan(vd->tx.chan);
664 635
665 if (!s3cchan->slave) 636 if (!s3cchan->slave)
666 s3c24xx_dma_unmap_buffers(txd); 637 dma_descriptor_unmap(&vd->tx);
667 638
668 s3c24xx_dma_free_txd(txd); 639 s3c24xx_dma_free_txd(txd);
669} 640}
@@ -795,7 +766,7 @@ static enum dma_status s3c24xx_dma_tx_status(struct dma_chan *chan,
795 766
796 spin_lock_irqsave(&s3cchan->vc.lock, flags); 767 spin_lock_irqsave(&s3cchan->vc.lock, flags);
797 ret = dma_cookie_status(chan, cookie, txstate); 768 ret = dma_cookie_status(chan, cookie, txstate);
798 if (ret == DMA_SUCCESS) { 769 if (ret == DMA_COMPLETE) {
799 spin_unlock_irqrestore(&s3cchan->vc.lock, flags); 770 spin_unlock_irqrestore(&s3cchan->vc.lock, flags);
800 return ret; 771 return ret;
801 } 772 }