On Mon, Feb 11, 2008 at 07:56:10PM +0100, Roel Kluin wrote:
quoted text
> +/*
> + * dma_alloc_noncoherent is a fallback for boxes PA7200 and below which
> + * cannot allocate coherent memory.
> + */
>  static void *pa11_dma_alloc_noncoherent(struct device *dev, size_t size,
>  					  dma_addr_t *dma_handle, gfp_t flag)
>  {

Why? This is located below pcxl_dma_ops so its obviously only relevant
for pcx.

quoted text
> @@ -586,6 +590,10 @@ static void pa11_dma_free_noncoherent(struct device *dev, size_t size,
>  	return;
>  }
>  
> +/*
> + * PCXL allocates coherent memory even for dma_alloc_noncoherent() due to the
> + * uncached trick for coherent memory.
> + */

This isn't correct either.

quoted text
>  struct hppa_dma_ops pcx_dma_ops = {
>  	.dma_supported =	pa11_dma_supported,
>  	.alloc_consistent =	fail_alloc_consistent,
> 
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