On Tue, 2007-12-18 at 18:49 +0100, [EMAIL PROTECTED] wrote:
> plain text document attachment
> (0019-Remove-the-global-dma_direct_offset.patch)
> We no longer need the global dma_direct_offset, update the comment to
> reflect the new reality.
>
> Signed-off-by: Michael Ellerman <[EMAIL PROTECTED]>
> Signed-off-by: Arnd Bergmann <[EMAIL PROTECTED]>
> ---
Ack.
> arch/powerpc/kernel/dma_64.c | 7 ++++---
> include/asm-powerpc/dma-mapping.h | 2 --
> 2 files changed, 4 insertions(+), 5 deletions(-)
>
> Index: linux-2.6-new/arch/powerpc/kernel/dma_64.c
> ===================================================================
> --- linux-2.6-new.orig/arch/powerpc/kernel/dma_64.c
> +++ linux-2.6-new/arch/powerpc/kernel/dma_64.c
> @@ -112,10 +112,11 @@ EXPORT_SYMBOL(dma_iommu_ops);
> /*
> * Generic direct DMA implementation
> *
> - * This implementation supports a global offset that can be applied if
> - * the address at which memory is visible to devices is not 0.
> + * This implementation supports a per-device offset that can be applied if
> + * the address at which memory is visible to devices is not 0. Platform code
> + * can point archdata.dma_data at an unsigned long holding the offset. By
> + * default no offset is used.
> */
> -unsigned long dma_direct_offset;
>
> static unsigned long get_dma_direct_offset(struct device *dev)
> {
> Index: linux-2.6-new/include/asm-powerpc/dma-mapping.h
> ===================================================================
> --- linux-2.6-new.orig/include/asm-powerpc/dma-mapping.h
> +++ linux-2.6-new/include/asm-powerpc/dma-mapping.h
> @@ -186,8 +186,6 @@ static inline void dma_unmap_sg(struct d
> extern struct dma_mapping_ops dma_iommu_ops;
> extern struct dma_mapping_ops dma_direct_ops;
>
> -extern unsigned long dma_direct_offset;
> -
> #else /* CONFIG_PPC64 */
>
> #define dma_supported(dev, mask) (1)
>
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