Instead of having platforms to copy the entirety of
mach-generic/dma-coherence.h, check whether these platforms have already
defined a plat_post_dma_flush hook, and if not, provide an inline stub.
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
---
arch/mips/include/asm/mach-generic/dma-coherence.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/mips/include/asm/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h
index 671330928e67..0f8a354fd468 100644
--- a/arch/mips/include/asm/mach-generic/dma-coherence.h
+++ b/arch/mips/include/asm/mach-generic/dma-coherence.h
@@ -52,9 +52,11 @@ static inline int plat_device_is_coherent(struct device *dev)
return coherentio;
}
+#ifndef plat_post_dma_flush
static inline void plat_post_dma_flush(struct device *dev)
{
}
+#endif
#ifdef CONFIG_SWIOTLB
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
--
2.1.0
