Re: [PATCH 05/11] x86: use dma_map_range when allocating PCI GART memory

[Thomas Gleixner <tglx@linutronix.de>]

On Mon, 1 Jun 2009, Ian Campbell wrote:

> This function is intended to replaces is_buffer_dma_capable with a
> more generic interface.

Another instance of copied and not updated changelog.
 
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
> Cc: Jeremy Fitzhardinge <jeremy@goop.org>
> Cc: x86@kernel.org
> ---
>  arch/x86/kernel/pci-gart_64.c |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
> index 1e8920d..eb043bd 100644
> --- a/arch/x86/kernel/pci-gart_64.c
> +++ b/arch/x86/kernel/pci-gart_64.c
> @@ -190,14 +190,16 @@ static void iommu_full(struct device *dev, size_t size, int dir)
>  static inline int
>  need_iommu(struct device *dev, unsigned long addr, size_t size)
>  {
> +	dma_addr_t dma_addr;
>  	return force_iommu ||
> -		!is_buffer_dma_capable(*dev->dma_mask, addr, size);
> +	       !dma_map_range(dev, *dev->dma_mask, addr, size, &dma_addr);
>  }
>  
>  static inline int
>  nonforced_iommu(struct device *dev, unsigned long addr, size_t size)
>  {
> -	return !is_buffer_dma_capable(*dev->dma_mask, addr, size);
> +	dma_addr_t dma_addr;
> +	return !dma_map_range(dev, *dev->dma_mask, addr, size, &dma_addr);
>  }
>  
>  /* Map a single continuous physical area into the IOMMU.
> -- 
> 1.5.6.5
>