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authorChristoph Hellwig <hch@lst.de>2022-04-19 09:43:48 +0200
committerChristoph Hellwig <hch@lst.de>2022-07-07 18:18:56 +0200
commitd6e2e92597ed2036206b084e94828403d7fb14a6 (patch)
tree69604f72e7f0eb03e99af4a875fa7235ec36b25e /arch/arm
parent5ed390e5a9d4d84f220e012ee20ae97fc254a9d9 (diff)
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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: Christoph Hellwig <hch@lst.de> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Tested-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/include/asm/dma-direct.h10
1 files changed, 1 insertions, 9 deletions
diff --git a/arch/arm/include/asm/dma-direct.h b/arch/arm/include/asm/dma-direct.h
index 77fcb7ee5ec9..6fd52713b5d1 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;