On Mon, Jul 08, 2002 at 12:35:37PM +0100, Timothy Murphy wrote:
> 
> I compiled 2.5.25 yesterday,
> and found the organisation of the USB host files difficult to fathom.
> 
>  (1) As far as I could make out, one _had_ to choose uhci-hcd
>  if one one simply ran "make xconfig" and wanted UHCI.
>  If this is the intention, why leave the other uhci*.c files there?
>  If they don't work, they shouldn't be there.
>  If they do work, they should be offered as options.

I sent a patch to Linus yesterday to remove the other .c files that are
no longer able to be selected.

>  (2) The name "uhci-hcd" struck me as odd.
>  Surely "usb" should figure in it, if people (in particular, me) are not to get 
>confused?

It matches the other USB HCD (host controller driver) drivers names (ehci-hcd,
ohci-hcd).

>  (3) I found the documentation on this subject, in uhci.txt,
>  less than lucid.

That file was last updated in 1999, it's a bit old :)

> I'm a bit grumpy, as the kernel didn't actually work on my Sony C1VFK --
> or at least it only works one time in three.
> The other two times it bombs out with "hda: error: DMA in progress".
> (I realise this has nothing to do with USB.)

Sorry for your ide problems.  See lkml for some patches that might be
able to help you out.

greg k-h


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