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Update arch/ to use sg helpers

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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe
2007-10-22 20:02:46 +02:00
parent f9527f121b
commit 58b053e4ce
23 changed files with 55 additions and 67 deletions
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16
arch/mips/mm/dma-default.c
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@@ -165,12 +165,11 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
for (i = 0; i < nents; i++, sg++) {
unsigned long addr;
addr = (unsigned long) page_address(sg->page);
addr = (unsigned long) sg_virt(sg);
if (!plat_device_is_coherent(dev) && addr)
__dma_sync(addr + sg->offset, sg->length, direction);
__dma_sync(addr, sg->length, direction);
sg->dma_address = plat_map_dma_mem(dev,
(void *)(addr + sg->offset),
sg->length);
(void *)addr, sg->length);
}
return nents;
@@ -223,10 +222,9 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
for (i = 0; i < nhwentries; i++, sg++) {
if (!plat_device_is_coherent(dev) &&
direction != DMA_TO_DEVICE) {
addr = (unsigned long) page_address(sg->page);
addr = (unsigned long) sg_virt(sg);
if (addr)
__dma_sync(addr + sg->offset, sg->length,
direction);
__dma_sync(addr, sg->length, direction);
}
plat_unmap_dma_mem(sg->dma_address);
}
@@ -304,7 +302,7 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
/* Make sure that gcc doesn't leave the empty loop body. */
for (i = 0; i < nelems; i++, sg++) {
if (cpu_is_noncoherent_r10000(dev))
__dma_sync((unsigned long)page_address(sg->page),
__dma_sync((unsigned long)page_address(sg_page(sg)),
sg->length, direction);
plat_unmap_dma_mem(sg->dma_address);
}
@@ -322,7 +320,7 @@ void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nele
/* Make sure that gcc doesn't leave the empty loop body. */
for (i = 0; i < nelems; i++, sg++) {
if (!plat_device_is_coherent(dev))
__dma_sync((unsigned long)page_address(sg->page),
__dma_sync((unsigned long)page_address(sg_page(sg)),
sg->length, direction);
plat_unmap_dma_mem(sg->dma_address);
}