MIPS: Adjust the dma-common.c platform hooks.

[pandora-kernel.git] / arch / mips / include / asm / mach-ip27 / dma-coherence.h

diff --git a/arch/mips/include/asm/mach-ip27/dma-coherence.h b/arch/mips/include/asm/mach-ip27/dma-coherence.h
index ed7e622..4c21bfc 100644 (file)
--- a/arch/mips/include/asm/mach-ip27/dma-coherence.h
+++ b/arch/mips/include/asm/mach-ip27/dma-coherence.h
@@ -38,10 +38,34 @@ static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
        return dma_addr & ~(0xffUL << 56);
 }
 
-static inline void plat_unmap_dma_mem(dma_addr_t dma_addr)
+static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t 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 1;               /* IP27 non-cohernet mode is unsupported */