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| author |   Christoph Hellwig <hch@lst.de> | 2019-06-25 11:20:42 +0200 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2019-07-10 13:17:30 +0200 |
| commit | 79a986721decf428ba539e6e2c941c987acce655 (patch) | |
| tree | b810505cf1838f621794adeebd472e118f3a09a5 /include/linux/dma-mapping.h | |
| parent | mmc: core: let the dma map ops handle bouncing (diff) | |
| download | wireguard-linux-79a986721decf428ba539e6e2c941c987acce655.tar.xz wireguard-linux-79a986721decf428ba539e6e2c941c987acce655.zip | |
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 'include/linux/dma-mapping.h')
| -rw-r--r-- | include/linux/dma-mapping.h | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 6309a721394b..8d13e28a8e07 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -729,13 +729,6 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask) return -EIO; } -#ifndef dma_max_pfn -static inline unsigned long dma_max_pfn(struct device *dev) -{ - return (*dev->dma_mask >> PAGE_SHIFT) + dev->dma_pfn_offset; -} -#endif - static inline int dma_get_cache_alignment(void) { #ifdef ARCH_DMA_MINALIGN |