Messages in this thread |  | | Date | Mon, 8 Oct 2001 12:20:13 +0000 | From | Pavel Machek <> | Subject | Re: [ANNOUNCE] FUSD v1.00: Framework for User-Space Devices |
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Hi!
> > 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.
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