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yaml --- r: 261 b: refs/heads/master c: ac21e9f h: refs/heads/master i: 259: 7168673 v: v3
git-mirror · Apr 19, 2005 · 284dc7e · 284dc7e
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c0698f2f6e4839ce9463ce731c892993215ea067
+refs/heads/master: ac21e9ff08db3d6fac41d356c77fcb531c2e03e1
diff --git a/trunk/Documentation/DMA-mapping.txt b/trunk/Documentation/DMA-mapping.txt
@@ -443,9 +443,15 @@ Only streaming mappings specify a direction, consistent mappings
 implicitly have a direction attribute setting of
 PCI_DMA_BIDIRECTIONAL.
 
-The SCSI subsystem tells you the direction to use in the
-'sc_data_direction' member of the SCSI command your driver is
-working on.
+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.
 
 For Networking drivers, it's a rather simple affair.  For transmit
 packets, map/unmap them with the PCI_DMA_TODEVICE direction

diff --git a/trunk/Documentation/scsi/ChangeLog.lpfc b/trunk/Documentation/scsi/ChangeLog.lpfc
diff --git a/trunk/Documentation/scsi/lpfc.txt b/trunk/Documentation/scsi/lpfc.txt