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SubjectRe: GPL only modules [was Re: [GIT PATCH] more Driver core patches for 2.6.19]
Date
Am Donnerstag, 14. Dezember 2006 13:42 schrieb Alan:
> On Thu, 14 Dec 2006 12:31:16 +0100
> Hans-Jürgen Koch <hjk@linutronix.de> wrote:
> > You think it's easier for a manufacturer of industrial IO cards to
> > debug a (large) kernel module?
>
> You think its any easier to debug because the code now runs in ring 3 but
> accessing I/O space.

For the intended audience, yes.

>
>
> > > uio also doesn't handle hotplug, pci and other "small" matters.
> >
> > uio is supposed to be a very thin layer. Hotplug and PCI are already
> > handled by other subsystems.
>
> And if you have a PCI or a hotplug card ? How many industrial I/O cards
> are still ISA btw ?

Who is talking about ISA? All cards we had in mind are PCI. Of course
you have to do the usual initialization work in your probe/release or
init/exit functions. These are just a few lines you find in any
beginners device-driver-writing book. I don't think that the UIO
framework could simplify that in a sensible way.

Hans

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