correct use of bus_dmamap_sync

[Ruslan Ermilov]

On Tue, Oct 25, 2005 at 04:10:52PM -0400, John Baldwin wrote:
> On Tuesday 25 October 2005 02:46 pm, Dinesh Nair wrote:
[...]
> > > thus when you send data to your device, that is a WRITE operation (even
> > > though your device is doing a DMA to read data), and when you get data
> > > back from your device, that is a READ operation (even though your device
> > > is doing a DMA to write the data into the buffer).
> >
> > thanx, the verbiage on the man page is slightly confusing with it's use of
> > CPU, giving the opposite impression.
> 
> Yes, I know. :)
> 
Please go read the HEAD version of the manpage; it's been fixed recently
to improve the description of these details.


Cheers,
-- 
Ruslan Ermilov
ru at FreeBSD.org
FreeBSD committer
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