Commit 30d38a32 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul

dw_dmac: introduce total_len field in struct dw_desc

By this new field we distinguish a total length of the chain and the individual
length of each descriptor in the chain.
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent fdf475fa
......@@ -333,18 +333,18 @@ dwc_descriptor_complete(struct dw_dma_chan *dwc, struct dw_desc *desc,
if (!(txd->flags & DMA_COMPL_SKIP_DEST_UNMAP)) {
if (txd->flags & DMA_COMPL_DEST_UNMAP_SINGLE)
dma_unmap_single(parent, desc->lli.dar,
desc->len, DMA_FROM_DEVICE);
desc->total_len, DMA_FROM_DEVICE);
else
dma_unmap_page(parent, desc->lli.dar,
desc->len, DMA_FROM_DEVICE);
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->len, DMA_TO_DEVICE);
desc->total_len, DMA_TO_DEVICE);
else
dma_unmap_page(parent, desc->lli.sar,
desc->len, DMA_TO_DEVICE);
desc->total_len, DMA_TO_DEVICE);
}
}
......@@ -774,7 +774,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
prev->lli.llp = 0;
first->txd.flags = flags;
first->len = len;
first->total_len = len;
return &first->txd;
......@@ -937,7 +937,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
prev->lli.ctllo |= DWC_CTLL_INT_EN;
prev->lli.llp = 0;
first->len = total_len;
first->total_len = total_len;
return &first->txd;
......
......@@ -296,6 +296,7 @@ struct dw_desc {
struct list_head tx_list;
struct dma_async_tx_descriptor txd;
size_t len;
size_t total_len;
};
#define to_dw_desc(h) list_entry(h, struct dw_desc, desc_node)
......
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