virt_to_dma was only used by the now removed dmabounce code.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>
Tested-by: Marc Zyngier <maz@xxxxxxxxxx>
---
arch/arm/include/asm/dma-direct.h | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/arch/arm/include/asm/dma-direct.h b/arch/arm/include/asm/dma-direct.h
index 77fcb7ee5ec90..6fd52713b5d12 100644
--- a/arch/arm/include/asm/dma-direct.h
+++ b/arch/arm/include/asm/dma-direct.h
@@ -5,7 +5,7 @@
#include <asm/memory.h>
/*
- * dma_to_pfn/pfn_to_dma/virt_to_dma are architecture private
+ * dma_to_pfn/pfn_to_dma are architecture private
* functions used internally by the DMA-mapping API to provide DMA
* addresses. They must not be used by drivers.
*/
@@ -25,14 +25,6 @@ static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr)
return pfn;
}
-static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
-{
- if (dev)
- return pfn_to_dma(dev, virt_to_pfn(addr));
-
- return (dma_addr_t)__virt_to_bus((unsigned long)(addr));
-}
-
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{
unsigned int offset = paddr & ~PAGE_MASK;
--
2.30.2
