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To: brian@worldcontrol.com
cc: Nick Sayer <nsayer@quack.kfu.com>, freebsd-mobile@FreeBSD.ORG
Subject: Re: Reclaiming irqs for unsupported PCI hardware?
In-reply-to: Your message of "Tue, 19 Jan 1999 20:25:54 PST."
<19990119202553.A90328@top.worldcontrol.com>
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Date: Wed, 20 Jan 1999 12:12:51 -0800
From: Mike Smith <mike@smith.net.au>
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> > While I am writing, why is it necessary for the PCCARD controller
> > to use an IRQ? It only generates them at slot events, which happen,
> > what, every few _hours_ or so? Can't they be polled? IRQs are
> > precious in modern x86 machines (unfortunately).
>
> I cried similarly, and made a similar complaint about PCCARD
> services. The response was nada.
You said "why don't you lazy bastards fix this". We said "we are too
bloody busy, fix it yourself".
> I'm close to modifying the system myself to eliminate the IRQ
> for insertion.
>
> I have a further complication that when the PCCARD interrupt service
> routine tries to handle my modem card insertion the system freezes,
> however, if it is not done via the interrupt routine (card inserted
> before power on) it works fine. Other cards work correctly via
> insertion.
>
> The main thing that keeps me from doing so, is such changes will never
> be imported into FreeBSD unless the people with the power agree.
Crap. Submit the patches, fix them when they break other peoples'
hardware, and they'll get committed.
--
\\ Sometimes you're ahead, \\ Mike Smith
\\ sometimes you're behind. \\ mike@smith.net.au
\\ The race is long, and in the \\ msmith@freebsd.org
\\ end it's only with yourself. \\ msmith@cdrom.com
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