ARM: dma-mapping: add support for dma_get_sgtable()

[deliverable/linux.git] / arch / arm / include / asm / dma-mapping.h

diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index bbef15d04890b7c1ef4a9d4afec77867de1fc72d..2ae842df455180d3bcd445d339ecd332d3b36c4e 100644 (file)
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -186,17 +186,6 @@ extern int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
                        void *cpu_addr, dma_addr_t dma_addr, size_t size,
                        struct dma_attrs *attrs);
 
-#define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, NULL)
-
-static inline int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
-                                 void *cpu_addr, dma_addr_t dma_addr,
-                                 size_t size, struct dma_attrs *attrs)
-{
-       struct dma_map_ops *ops = get_dma_ops(dev);
-       BUG_ON(!ops);
-       return ops->mmap(dev, vma, cpu_addr, dma_addr, size, attrs);
-}
-
 static inline void *dma_alloc_writecombine(struct device *dev, size_t size,
                                       dma_addr_t *dma_handle, gfp_t flag)
 {
@@ -213,20 +202,12 @@ static inline void dma_free_writecombine(struct device *dev, size_t size,
        return dma_free_attrs(dev, size, cpu_addr, dma_handle, &attrs);
 }
 
-static inline int dma_mmap_writecombine(struct device *dev, struct vm_area_struct *vma,
-                     void *cpu_addr, dma_addr_t dma_addr, size_t size)
-{
-       DEFINE_DMA_ATTRS(attrs);
-       dma_set_attr(DMA_ATTR_WRITE_COMBINE, &attrs);
-       return dma_mmap_attrs(dev, vma, cpu_addr, dma_addr, size, &attrs);
-}
-
 /*
  * This can be called during boot to increase the size of the consistent
  * DMA region above it's default value of 2MB. It must be called before the
  * memory allocator is initialised, i.e. before any core_initcall.
  */
-extern void __init init_consistent_dma_size(unsigned long size);
+static inline void init_consistent_dma_size(unsigned long size) { }
 
 /*
  * For SA-1111, IXP425, and ADI systems  the dma-mapping functions are "magic"
@@ -280,6 +261,9 @@ extern void arm_dma_sync_sg_for_cpu(struct device *, struct scatterlist *, int,
                enum dma_data_direction);
 extern void arm_dma_sync_sg_for_device(struct device *, struct scatterlist *, int,
                enum dma_data_direction);
+extern int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+               void *cpu_addr, dma_addr_t dma_addr, size_t size,
+               struct dma_attrs *attrs);
 
 #endif /* __KERNEL__ */
 #endif