On Thu, 15 Jun 2000 17:59:48 +0100, Tim Waugh <twaugh@redhat.com> wrote:
>
> On Thu, Jun 15, 2000 at 12:37:40PM -0400, Dave Strauss wrote:
>
> > I'm trying to find out if the parallel port code in the 2.2.14 kernel
> > supports ECP mode. As far as I can tell from reading the sources it
> > doesn't, but I wanted to verify that this is the case. If it *does*
> > support ECP, how do I get it to happen? If not, is there any way
> > I can add patches to add ECP support? What are the plans for adding
> > ECP support in future kernels?
>
> It doesn't support the ECP protocol.
>
> There is a patch (ppdev) for 2.2 to make it support the ECP protocol,
> but which doesn't use hardware ECP assistance.
>
I don't understand the significance of "doesn't use hardware ECP
assistance". What sort of assistance are you referring to? DMA?
> The 2.4 kernel will use ECP assistance as well.
>
Do you mean "The 2.4 kernel also will not use ECP assistance."?
Does this imply that the 2.4 kernel will do ECP transfers, but
might be slower than other implementations?
> Tim.
> */
>
> [ ... ]
Thanks.
-- Dave Strauss
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