X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Ffrv%2Fmb93090-mb00%2Fpci-dma.c;h=3ddedebc4eb3db1a1bbc25a7a10dd2e1fd1e66e5;hb=c9af956cf7548bc352557eb8356913e489fd8716;hp=662f7b12d005fa532b834ec06838cf5ae56bc264;hpb=9bd8f9c638c51313328d664a2f7a5e413cfd9044;p=linux-2.6-omap-h63xx.git

diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c
index 662f7b12d00..3ddedebc4eb 100644
--- a/arch/frv/mb93090-mb00/pci-dma.c
+++ b/arch/frv/mb93090-mb00/pci-dma.c
@@ -61,7 +61,7 @@ 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 pci_map_single interface.  Here the scatter gather list
+ * 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).
  *
@@ -71,7 +71,7 @@ EXPORT_SYMBOL(dma_map_single);
  *       The routine returns the number of addr/length pairs actually
  *       used, at most nents.
  *
- * Device ownership issues as mentioned above for pci_map_single are
+ * 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,
@@ -105,6 +105,13 @@ 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)
 {