> > Yep. And linmodem driver does signal processing, so it is big and
> > ugly. And up till now, it had to be in kernel. With your patches, such
> > drivers could be userspace (where they belong!). Of course, it would be
> > very good if your interface did not change...
>
> I don't see how linmodem drivers apply. At least not at the low-level
> because you actually have to driver the hardware, respond to interrupts
> etc. On some of this I can see a driver split like there is for the video
You don't actually need interrupts -- you *know* when next sample arrives.
And port io is completely fine with iopl() ;-).
Pavel
-- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/