X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2FDMA-mapping.txt;h=684557474c156210114243f89b2f79667bdb179e;hb=720a845911097cea1394fe7abb2c9efa76e32715;hp=f4ac37f157ea905e06e132c6ee5a1587cb05cbae;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6

diff --git a/Documentation/DMA-mapping.txt b/Documentation/DMA-mapping.txt
index f4ac37f157..684557474c 100644
--- a/Documentation/DMA-mapping.txt
+++ b/Documentation/DMA-mapping.txt
@@ -443,15 +443,9 @@ Only streaming mappings specify a direction, consistent mappings
 implicitly have a direction attribute setting of
 PCI_DMA_BIDIRECTIONAL.
 
-The SCSI subsystem provides mechanisms for you to easily obtain
-the direction to use, in the SCSI command:
-
-	scsi_to_pci_dma_dir(SCSI_DIRECTION)
-
-Where SCSI_DIRECTION is obtained from the 'sc_data_direction'
-member of the SCSI command your driver is working on.  The
-mentioned interface above returns a value suitable for passing
-into the streaming DMA mapping interfaces below.
+The SCSI subsystem tells you the direction to use in the
+'sc_data_direction' member of the SCSI command your driver is
+working on.
 
 For Networking drivers, it's a rather simple affair.  For transmit
 packets, map/unmap them with the PCI_DMA_TODEVICE direction