Commit 9fc18f6d authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

dma-mapping: mark dma_supported static 



Now that the remaining users in drivers are gone, this function can be
marked static.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 43b91901

include/linux/dma-mapping.h

+0 −5
Original line number Diff line number Diff line
@@ -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;

kernel/dma/mapping.c

+1 −2
Original line number Diff line number Diff line
@@ -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)

{