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| author |   Christoph Hellwig <hch@lst.de> | 2022-08-21 16:06:44 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2022-09-07 10:38:28 +0200 |
| commit | 9fc18f6d56d5b79d527c17a8100a0965d18345cf (patch) | |
| tree | 9c5f047a153434eca986ff18e13947e5b8736df3 | |
| parent | swiotlb: fix a typo (diff) | |
| download | linux-dev-9fc18f6d56d5b79d527c17a8100a0965d18345cf.tar.xz linux-dev-9fc18f6d56d5b79d527c17a8100a0965d18345cf.zip | |
dma-mapping: mark dma_supported static
Now that the remaining users in drivers are gone, this function can be
marked static.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to '')
| -rw-r--r-- | include/linux/dma-mapping.h | 5 | ||||
| -rw-r--r-- | kernel/dma/mapping.c | 3 |
2 files changed, 1 insertions, 7 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 25a30906289d..0ee20b764000 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -139,7 +139,6 @@ int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, unsigned long attrs); bool dma_can_mmap(struct device *dev); -int dma_supported(struct device *dev, u64 mask); bool dma_pci_p2pdma_supported(struct device *dev); int dma_set_mask(struct device *dev, u64 mask); int dma_set_coherent_mask(struct device *dev, u64 mask); @@ -248,10 +247,6 @@ static inline bool dma_can_mmap(struct device *dev) { return false; } -static inline int dma_supported(struct device *dev, u64 mask) -{ - return 0; -} static inline bool dma_pci_p2pdma_supported(struct device *dev) { return false; diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index 49cbf3e33de7..27f272381cf2 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -707,7 +707,7 @@ int dma_mmap_noncontiguous(struct device *dev, struct vm_area_struct *vma, } EXPORT_SYMBOL_GPL(dma_mmap_noncontiguous); -int dma_supported(struct device *dev, u64 mask) +static int dma_supported(struct device *dev, u64 mask) { const struct dma_map_ops *ops = get_dma_ops(dev); @@ -721,7 +721,6 @@ int dma_supported(struct device *dev, u64 mask) return 1; return ops->dma_supported(dev, mask); } -EXPORT_SYMBOL(dma_supported); bool dma_pci_p2pdma_supported(struct device *dev) { |