[10/33] arm64: don't override dma_max_pfn

Message ID 20180110080027.13879-11-hch@lst.de
State Not Applicable
Delegated to: David Miller
Headers show
Series
  • [01/33] alpha: mark jensen as broken
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Commit Message

Christoph Hellwig Jan. 10, 2018, 8 a.m.
The generic version now takes dma_pfn_offset into account, so there is no
more need for an architecture override.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/arm64/include/asm/dma-mapping.h | 9 ---------
 1 file changed, 9 deletions(-)

Comments

Robin Murphy Jan. 10, 2018, 11:08 a.m. | #1
On 10/01/18 08:00, Christoph Hellwig wrote:
> The generic version now takes dma_pfn_offset into account, so there is no
> more need for an architecture override.

Reviewed-by: Robin Murphy <robin.murphy@arm.com>

> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>   arch/arm64/include/asm/dma-mapping.h | 9 ---------
>   1 file changed, 9 deletions(-)
> 
> diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
> index 0df756b24863..eada887a93bf 100644
> --- a/arch/arm64/include/asm/dma-mapping.h
> +++ b/arch/arm64/include/asm/dma-mapping.h
> @@ -76,14 +76,5 @@ static inline void dma_mark_clean(void *addr, size_t size)
>   {
>   }
>   
> -/* Override for dma_max_pfn() */
> -static inline unsigned long dma_max_pfn(struct device *dev)
> -{
> -	dma_addr_t dma_max = (dma_addr_t)*dev->dma_mask;
> -
> -	return (ulong)dma_to_phys(dev, dma_max) >> PAGE_SHIFT;
> -}
> -#define dma_max_pfn(dev) dma_max_pfn(dev)
> -
>   #endif	/* __KERNEL__ */
>   #endif	/* __ASM_DMA_MAPPING_H */
> 
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Patch

diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
index 0df756b24863..eada887a93bf 100644
--- a/arch/arm64/include/asm/dma-mapping.h
+++ b/arch/arm64/include/asm/dma-mapping.h
@@ -76,14 +76,5 @@  static inline void dma_mark_clean(void *addr, size_t size)
 {
 }
 
-/* Override for dma_max_pfn() */
-static inline unsigned long dma_max_pfn(struct device *dev)
-{
-	dma_addr_t dma_max = (dma_addr_t)*dev->dma_mask;
-
-	return (ulong)dma_to_phys(dev, dma_max) >> PAGE_SHIFT;
-}
-#define dma_max_pfn(dev) dma_max_pfn(dev)
-
 #endif	/* __KERNEL__ */
 #endif	/* __ASM_DMA_MAPPING_H */