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-rw-r--r--include/linux/dma-mapping.h5
-rw-r--r--kernel/dma/mapping.c3
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)
{