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x86: use sg_phys in x86_64

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To make the code usable in i386, where we have high memory mappings,
we drop te virt_to_bus(sg_virt()) construction in favour of sg_phys.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Glauber Costa 2008-04-08 13:20:47 -03:00 committed by Ingo Molnar
parent e4dcdd6b4f
commit 30db2cbf38
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/pci-nommu_64.c
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@ -60,7 +60,7 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
for_each_sg(sg, s, nents, i) {
BUG_ON(!sg_page(s));
s->dma_address = virt_to_bus(sg_virt(s));
s->dma_address = sg_phys(s);
if (!check_addr("map_sg", hwdev, s->dma_address, s->length))
return 0;
s->dma_length = s->length;