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ioat1: kill unused unmap parameters

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The unified ioat1/ioat2 ioat_dma_unmap() implementation derives the
source and dest addresses from the unmap descriptor.  There is no longer
a need to track this information in struct ioat_desc_sw.

Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2009-09-08 12:00:46 -07:00
parent 5cbafa65b9
commit 38e12f64a1
2 changed files with 0 additions and 4 deletions
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2
drivers/dma/ioat/dma.c
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@ -648,8 +648,6 @@ ioat1_dma_prep_memcpy(struct dma_chan *c, dma_addr_t dma_dest,
desc->txd.flags = flags;
desc->tx_cnt = tx_cnt;
desc->src = dma_src;
desc->dst = dma_dest;
desc->len = total_len;
list_splice(&chain, &desc->txd.tx_list);
hw->ctl_f.int_en = !!(flags & DMA_PREP_INTERRUPT);

2
drivers/dma/ioat/dma.h
View File

@ -179,8 +179,6 @@ struct ioat_desc_sw {
struct list_head node;
int tx_cnt;
size_t len;
dma_addr_t src;
dma_addr_t dst;
struct dma_async_tx_descriptor txd;
};