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Diffstat (limited to 'arch/mips/include/asm/mach-jazz/dma-coherence.h')
-rw-r--r--arch/mips/include/asm/mach-jazz/dma-coherence.h26
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/mips/include/asm/mach-jazz/dma-coherence.h b/arch/mips/include/asm/mach-jazz/dma-coherence.h
index d66979a124a8..1c7cd27efa7b 100644
--- a/arch/mips/include/asm/mach-jazz/dma-coherence.h
+++ b/arch/mips/include/asm/mach-jazz/dma-coherence.h
@@ -27,11 +27,35 @@ static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
return vdma_log2phys(dma_addr);
}
-static void plat_unmap_dma_mem(dma_addr_t dma_addr)
+static void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr)
{
vdma_free(dma_addr);
}
+static inline int plat_dma_supported(struct device *dev, u64 mask)
+{
+ /*
+ * we fall back to GFP_DMA when the mask isn't all 1s,
+ * so we can't guarantee allocations that must be
+ * within a tighter range than GFP_DMA..
+ */
+ if (mask < DMA_BIT_MASK(24))
+ return 0;
+
+ return 1;
+}
+
+static inline void plat_extra_sync_for_device(struct device *dev)
+{
+ return;
+}
+
+static inline int plat_dma_mapping_error(struct device *dev,
+ dma_addr_t dma_addr)
+{
+ return 0;
+}
+
static inline int plat_device_is_coherent(struct device *dev)
{
return 0;