X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Fmips%2Finclude%2Fasm%2Fmach-jazz%2Fdma-coherence.h;h=1c7cd27efa7b53d7770bb09040f7511eff8492ec;hb=7cb36b6ccdca03bd87e8faca7fd920643dd1aec7;hp=d66979a124a81075fcd511ec64f8122cc508cac7;hpb=8cde1ad6683f8738ad71f788dca8ab4810cf5afe;p=linux-2.6-block.git

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;