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x86: gart alloc_coherent doesn't need to check NULL device argument

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asm/dma-mapping.h guarantees that gart alloc_coherent doesn't get NULL
device argument.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
FUJITA Tomonori 2008-09-05 17:58:49 +09:00 committed by Ingo Molnar
parent 421076e2be
commit 551b4545bf
1 changed files with 0 additions and 3 deletions
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arch/x86/kernel/pci-gart_64.c
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@ -506,9 +506,6 @@ gart_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr,
align_mask = (1UL << get_order(size)) - 1;
if (!dev)
dev = &x86_dma_fallback_dev;
*dma_addr = dma_map_area(dev, __pa(vaddr), size, DMA_BIDIRECTIONAL,
align_mask);
flush_gart();