Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[mv-sheeva.git] / arch / frv / mb93090-mb00 / pci-dma.c

diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c
index 45954f0813dc9e75a5e15f06e5cdb13776170c30..85d110b71cf735166a31d3d2872e46fc597bbc6d 100644 (file)
--- a/arch/frv/mb93090-mb00/pci-dma.c
+++ b/arch/frv/mb93090-mb00/pci-dma.c
@@ -10,7 +10,6 @@
  */
 
 #include <linux/types.h>
-#include <linux/slab.h>
 #include <linux/dma-mapping.h>
 #include <linux/list.h>
 #include <linux/pci.h>
@@ -38,13 +37,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_
 
 EXPORT_SYMBOL(dma_free_coherent);
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either pci_unmap_single or pci_dma_sync_single is performed.
- */
 dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
                          enum dma_data_direction direction)
 {
@@ -57,22 +49,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 
 EXPORT_SYMBOL(dma_map_single);
 
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scather-gather version of the
- * above dma_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
 int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
               enum dma_data_direction direction)
 {
@@ -103,13 +79,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 
 EXPORT_SYMBOL(dma_map_sg);
 
-/*
- * Map a single page of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
 dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
                        size_t size, enum dma_data_direction direction)
 {