Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6

[pandora-kernel.git] / arch / mips / include / asm / mach-ip32 / dma-coherence.h

diff --git a/arch/mips/include/asm/mach-ip32/dma-coherence.h b/arch/mips/include/asm/mach-ip32/dma-coherence.h
index a5511eb..3785595 100644 (file)
--- a/arch/mips/include/asm/mach-ip32/dma-coherence.h
+++ b/arch/mips/include/asm/mach-ip32/dma-coherence.h
@@ -50,7 +50,8 @@ static dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page)
 }
 
 /* This is almost certainly wrong but it's what dma-ip32.c used to use  */
-static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
+static unsigned long plat_dma_addr_to_phys(struct device *dev,
+       dma_addr_t dma_addr)
 {
        unsigned long addr = dma_addr & RAM_OFFSET_MASK;
 
@@ -60,10 +61,35 @@ static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
        return addr;
 }
 
-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,
+       size_t size, enum dma_data_direction direction)
 {
 }
 
+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;               /* IP32 is non-cohernet */