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SubjectRe: [PATCH -mm] remove deprecated dma_sync_single and dma_sync_sg API
On Tue, 11 May 2010 10:13:23 +0900
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> wrote:

> Since 2.6.5, it had been commented, 'for backwards compatibility,
> removed in 2.7.x'. Since 2.6.31, it have been marked as __deprecated.
>
> I think that we can remove the API safely now.
>
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
> ---
> include/linux/dma-mapping.h | 15 ---------------
> 1 files changed, 0 insertions(+), 15 deletions(-)
>
> diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
> index 2ea1494..89b7e1a 100644
> --- a/include/linux/dma-mapping.h
> +++ b/include/linux/dma-mapping.h
> @@ -95,21 +95,6 @@ static inline int is_device_dma_capable(struct device *dev)
> #include <asm-generic/dma-mapping-broken.h>
> #endif
>
> -/* for backwards compatibility, removed soon */
> -static inline void __deprecated dma_sync_single(struct device *dev,
> - dma_addr_t addr, size_t size,
> - enum dma_data_direction dir)
> -{
> - dma_sync_single_for_cpu(dev, addr, size, dir);
> -}
> -
> -static inline void __deprecated dma_sync_sg(struct device *dev,
> - struct scatterlist *sg, int nelems,
> - enum dma_data_direction dir)
> -{
> - dma_sync_sg_for_cpu(dev, sg, nelems, dir);
> -}
> -
> static inline u64 dma_get_mask(struct device *dev)
> {
> if (dev && dev->dma_mask && *dev->dma_mask)

drivers/staging/go7007/saa7134-go7007.c uses dma_sync_single().

arch/ia64/kernel/machvec.c has functions machvec_dma_sync_single() and
machvec_dma_sync_sg() which might be dead code.



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