diff options
Diffstat (limited to 'drivers/dma/imx-dma.c')
| -rw-r--r-- | drivers/dma/imx-dma.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index a45b5d2a5987..fcfeb3cd8d31 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -227,7 +227,7 @@ static inline int imxdma_sg_next(struct imxdma_desc *d) struct scatterlist *sg = d->sg; unsigned long now; - now = min(d->len, sg->length); + now = min(d->len, sg_dma_len(sg)); if (d->len != IMX_DMA_LENGTH_LOOP) d->len -= now; @@ -571,11 +571,14 @@ static void imxdma_tasklet(unsigned long data) if (desc->desc.callback) desc->desc.callback(desc->desc.callback_param); - dma_cookie_complete(&desc->desc); - - /* If we are dealing with a cyclic descriptor keep it on ld_active */ + /* If we are dealing with a cyclic descriptor keep it on ld_active + * and dont mark the descripor as complete. + * Only in non-cyclic cases it would be marked as complete + */ if (imxdma_chan_is_doing_cyclic(imxdmac)) goto out; + else + dma_cookie_complete(&desc->desc); /* Free 2D slot if it was an interleaved transfer */ if (imxdmac->enabled_2d) { @@ -760,16 +763,16 @@ static struct dma_async_tx_descriptor *imxdma_prep_slave_sg( desc = list_first_entry(&imxdmac->ld_free, struct imxdma_desc, node); for_each_sg(sgl, sg, sg_len, i) { - dma_length += sg->length; + dma_length += sg_dma_len(sg); } switch (imxdmac->word_size) { case DMA_SLAVE_BUSWIDTH_4_BYTES: - if (sgl->length & 3 || sgl->dma_address & 3) + if (sg_dma_len(sgl) & 3 || sgl->dma_address & 3) return NULL; break; case DMA_SLAVE_BUSWIDTH_2_BYTES: - if (sgl->length & 1 || sgl->dma_address & 1) + if (sg_dma_len(sgl) & 1 || sgl->dma_address & 1) return NULL; break; case DMA_SLAVE_BUSWIDTH_1_BYTE: @@ -828,13 +831,13 @@ static struct dma_async_tx_descriptor *imxdma_prep_dma_cyclic( imxdmac->sg_list[i].page_link = 0; imxdmac->sg_list[i].offset = 0; imxdmac->sg_list[i].dma_address = dma_addr; - imxdmac->sg_list[i].length = period_len; + sg_dma_len(&imxdmac->sg_list[i]) = period_len; dma_addr += period_len; } /* close the loop */ imxdmac->sg_list[periods].offset = 0; - imxdmac->sg_list[periods].length = 0; + sg_dma_len(&imxdmac->sg_list[periods]) = 0; imxdmac->sg_list[periods].page_link = ((unsigned long)imxdmac->sg_list | 0x01) & ~0x02; |