On Sun, Jul 15, 2007 at 02:21:46PM -0700, [EMAIL PROTECTED] wrote:
> diff --git a/include/asm-generic/dma-mapping.h
> b/include/asm-generic/dma-mapping.h
> index 783ab99..34e8357 100644
> --- a/include/asm-generic/dma-mapping.h
> +++ b/include/asm-generic/dma-mapping.h
> @@ -89,7 +89,7 @@ dma_unmap_page(struct device *dev, dma_addr_t dma_address,
> size_t size,
>
> static inline int
> dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
> - enum dma_data_direction direction)
> + enum dma_data_direction direction, int coherent)
> {
> BUG_ON(dev->bus != &pci_bus_type);
>
> @@ -213,7 +213,7 @@ dma_unmap_page(struct device *dev, dma_addr_t
> dma_address, size_t size,
>
> static inline int
> dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
> - enum dma_data_direction direction)
> + enum dma_data_direction direction, int coherent)
> {
> BUG();
> return 0;
This will be very painful and frankly I don't think the pain is
justified. Can't you confine the changes to the IB layerr so that the
mapping happens through dma_alloc_coherent if you need
coherent/consistent memory rather than through dma_map_sg?
Also, this kind of thing should definitely be CC'd to lkml.
Cheers,
Muli
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