x86: fix dma_mapping_error for 32bit x86, cleanup

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This removes ifdef CONFIG_X86_64 in dma_mapping_error():

1) Xen people plan to use swiotlb on X86_32 for Dom0 support. swiotlb
   uses ops->mapping_error so X86_32 also needs to check
   ops->mapping_error.

2) Removing #ifdef hack is almost always a good thing.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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FUJITA Tomonori 2008-12-02 02:17:15 +09:00 • committed by Ingo Molnar

parent f6d2e6f57b

commit 50cec5c51c

1 changed files with 0 additions and 2 deletions

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arch/x86/include/asm/dma-mapping.h

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