PERFORCE change 129921 for review
Hans Petter Selasky
hselasky at FreeBSD.org
Sat Dec 1 16:02:35 PST 2007
http://perforce.freebsd.org/chv.cgi?CH=129921
Change 129921 by hselasky at hselasky_laptop001 on 2007/12/02 00:01:35
The "bdma_enable" flag was temporary and is going away.
Affected files ...
.. //depot/projects/usb/src/sys/dev/usb/README#22 edit
Differences ...
==== //depot/projects/usb/src/sys/dev/usb/README#22 (text+ko) ====
@@ -321,12 +321,6 @@
transfers. This flag is mostly useful for the USB device side.
This flag can be changed during operation.
- bdma_enable
- Setting this flag allows you to load virtual buffers directly
- into DMA. Virtual buffers are loaded by a call to
- "usbd_set_frame_data()". This flag can not be changed during
- operation.
-
- The "bufsize" field sets the total buffer size in bytes. If
this field is zero, "wMaxPacketSize" will be used, multiplied by the
"frames" field if the transfer type is ISOCHRONOUS. This is useful for
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