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SubjectRe: [PATCH -tip v2 0/5] add common functions for struct dma_map_ops
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On Fri, 15 May 2009 12:55:00 +0900
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> wrote:

> We unified x86 and IA64's handling of multiple dma mapping operations
> (struct dma_map_ops in linux/dma-mapping.h) so we can remove
> duplication in their arch/include/asm/dma-mapping.h.
>
> This patchset adds include/asm-generic/dma-mapping-common.h that
> provides some generic dma mapping function definitions for the users
> of struct dma_map_ops. This enables us to remove about 100 lines. This
> also enables us to easily add CONFIG_DMA_API_DEBUG support, which only
> x86 supports for now. The 4th patch adds CONFIG_DMA_API_DEBUG support
> to IA64 by adding only 8 lines.
>
> This is against tip/master since tip has some changes to
> arch/x86/include/asm/dma-mapping.h.
>
> The changes since the first version are
>
> - fixed a bug that dma_attrs is not passed properly (thanks to Arnd
> Bergmann).
>
> - used a new name, dma-mapping-common.h, instead of dma-mapping.h
> (suggested by Arnd Bergmann).
>
> - added Joerg's Acked-by
>
> =
> arch/ia64/Kconfig | 1 +
> arch/ia64/include/asm/dma-mapping.h | 110 ++----------------
> arch/x86/Kconfig | 1 +
> arch/x86/include/asm/dma-mapping.h | 174 +---------------------------
> include/asm-generic/dma-mapping-common.h | 190 ++++++++++++++++++++++++++++++
> lib/dma-debug.c | 82 ++++++++------
> 6 files changed, 252 insertions(+), 306 deletions(-)

Ping,

Any comments?


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