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Commit 0acbfc66 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

MIPS: DMA: Implement platform hook to perform post-DMA cache flushes. 



Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 25307380

arch/mips/include/asm/mach-ath25/dma-coherence.h

+4 −0
Original line number Diff line number Diff line
@@ -69,4 +69,8 @@ static inline int plat_device_is_coherent(struct device *dev) 
#endif

}



static inline void plat_post_dma_flush(struct device *dev)

{

}



#endif /* __ASM_MACH_ATH25_DMA_COHERENCE_H */

arch/mips/include/asm/mach-bmips/dma-coherence.h

+4 −0
Original line number Diff line number Diff line
@@ -45,4 +45,8 @@ static inline int plat_device_is_coherent(struct device *dev) 
	return 0;

}



static inline void plat_post_dma_flush(struct device *dev)

{

}



#endif /* __ASM_MACH_BMIPS_DMA_COHERENCE_H */

arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h

+4 −0
Original line number Diff line number Diff line
@@ -57,6 +57,10 @@ static inline int plat_device_is_coherent(struct device *dev) 
	return 1;

}



static inline void plat_post_dma_flush(struct device *dev)

{

}



dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);

phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);

arch/mips/include/asm/mach-generic/dma-coherence.h

+4 −0
Original line number Diff line number Diff line
@@ -52,6 +52,10 @@ static inline int plat_device_is_coherent(struct device *dev) 
	return coherentio;

}



static inline void plat_post_dma_flush(struct device *dev)

{

}



#ifdef CONFIG_SWIOTLB

static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)

{

arch/mips/include/asm/mach-ip27/dma-coherence.h

+4 −0
Original line number Diff line number Diff line
@@ -58,6 +58,10 @@ static inline int plat_dma_supported(struct device *dev, u64 mask) 
	return 1;

}



static inline void plat_post_dma_flush(struct device *dev)

{

}



static inline int plat_device_is_coherent(struct device *dev)

{

	return 1;		/* IP27 non-cohernet mode is unsupported */