[8450] in linux-scsi channel archive

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Re: DMX3191D patch

daemon@ATHENA.MIT.EDU (Massimo Piccioni)
Wed Mar 22 06:44:33 2000

Message-ID: <38D88305.876722F3@tiscalinet.it>
Date:	Wed, 22 Mar 2000 09:23:33 +0100
From: Massimo Piccioni <unfarco@tiscalinet.it>
MIME-Version: 1.0
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-scsi@vger.rutgers.edu
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Alan Cox wrote:

> > o     You request the IRQ before you configure the driver. If the irq line
> >       is shared you may hang the machine
> >
> > I would suggest the following small changes
>
> I thought about this one. Its umm not trivial. You need to disable the IRQ
> on the chip before you register the IRQ, you need to register the IRQ before
> you cause an IRQ on the chip.

note that the IRQ is never used: the counter in /proc/interrupts is always 0
(even after a lot of work)


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