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authorChristoph Hellwig <hch@lst.de>2019-06-25 11:20:42 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2019-07-10 13:17:30 +0200
commit79a986721decf428ba539e6e2c941c987acce655 (patch)
treeb810505cf1838f621794adeebd472e118f3a09a5 /arch
parent7559d612dff0389aba5b49664e3bc94a150e45f2 (diff)
downloadlinux-79a986721decf428ba539e6e2c941c987acce655.tar.bz2
dma-mapping: remove dma_max_pfn
These days, the DMA mapping code must bounce buffers for any unsupported address. If the driver needs to optimize for natively supported ranges, then it should use dma_get_required_mask. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Marc Gonzalez <marc.w.gonzalez@free.fr> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/dma-mapping.h7
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 03ba90ffc0f8..7e0486ad1318 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -89,13 +89,6 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
}
#endif
-/* The ARM override for dma_max_pfn() */
-static inline unsigned long dma_max_pfn(struct device *dev)
-{
- return dma_to_pfn(dev, *dev->dma_mask);
-}
-#define dma_max_pfn(dev) dma_max_pfn(dev)
-
/* do not use this function in a driver */
static inline bool is_device_dma_coherent(struct device *dev)
{