Commit d6e2e925 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

ARM/dma-mapping: remove the unused virt_to_dma helper 



virt_to_dma was only used by the now removed dmabounce code.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarArnd Bergmann <arnd@arndb.de>
Tested-by: default avatarMarc Zyngier <maz@kernel.org>
parent 5ed390e5

arch/arm/include/asm/dma-direct.h

+1 −9
Original line number Diff line number Diff line
@@ -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;