Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
arch/powerpc/include/asm/dma-mapping.h | 1 -
arch/powerpc/kernel/dma.c | 13 ++++---------
2 files changed, 4 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 73aedbe6c977..eaece3d3e225 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -112,7 +112,6 @@ static inline void set_dma_offset(struct device *dev, dma_addr_t off)
#define HAVE_ARCH_DMA_SET_MASK 1
extern int dma_set_mask(struct device *dev, u64 dma_mask);
-extern int __dma_set_mask(struct device *dev, u64 dma_mask);
extern u64 __dma_get_required_mask(struct device *dev);
static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 466c9f07b288..4194bbbbdb10 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -314,14 +314,6 @@ EXPORT_SYMBOL(dma_set_coherent_mask);
#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
-int __dma_set_mask(struct device *dev, u64 dma_mask)
-{
- if (!dev->dma_mask || !dma_supported(dev, dma_mask))
- return -EIO;
- *dev->dma_mask = dma_mask;
- return 0;
-}
-
int dma_set_mask(struct device *dev, u64 dma_mask)
{
if (ppc_md.dma_set_mask)
@@ -334,7 +326,10 @@ int dma_set_mask(struct device *dev, u64 dma_mask)
return phb->controller_ops.dma_set_mask(pdev, dma_mask);
}
- return __dma_set_mask(dev, dma_mask);
+ if (!dev->dma_mask || !dma_supported(dev, dma_mask))
+ return -EIO;
+ *dev->dma_mask = dma_mask;
+ return 0;
}
EXPORT_SYMBOL(dma_set_mask);
--
2.11.0
--
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