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-rw-r--r--arch/powerpc/kernel/dma.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 41c749586bd2..4194bbbbdb10 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -314,18 +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)
-{
- const struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
- if ((dma_ops != NULL) && (dma_ops->set_dma_mask != NULL))
- return dma_ops->set_dma_mask(dev, 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)
@@ -338,7 +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);