aboutsummaryrefslogtreecommitdiff
path: root/arch/sparc/include/asm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/include/asm')
-rw-r--r--arch/sparc/include/asm/dma-mapping.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 5a8c308e2b5..4b4a0c0b0cc 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -8,7 +8,6 @@
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
extern int dma_supported(struct device *dev, u64 mask);
-extern int dma_set_mask(struct device *dev, u64 dma_mask);
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
@@ -62,4 +61,17 @@ static inline int dma_get_cache_alignment(void)
return (1 << INTERNODE_CACHE_SHIFT);
}
+static inline int dma_set_mask(struct device *dev, u64 mask)
+{
+#ifdef CONFIG_PCI
+ if (dev->bus == &pci_bus_type) {
+ if (!dev->dma_mask || !dma_supported(dev, mask))
+ return -EINVAL;
+ *dev->dma_mask = mask;
+ return 0;
+ }
+#endif
+ return -EINVAL;
+}
+
#endif