From: Marc Singer <elf@buici.com>
To: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: linux-ide@vger.kernel.org
Subject: Re: So, is there support for IDE devices that have no IRQ?
Date: Wed, 24 Mar 2004 18:25:11 -0800 [thread overview]
Message-ID: <20040325022511.GA12156@buici.com> (raw)
In-Reply-To: <200403250323.44984.bzolnier@elka.pw.edu.pl>
On Thu, Mar 25, 2004 at 03:23:44AM +0100, Bartlomiej Zolnierkiewicz wrote:
> On Thursday 25 of March 2004 02:44, Marc Singer wrote:
> > On Thu, Mar 25, 2004 at 01:04:10AM +0100, Bartlomiej Zolnierkiewicz wrote:
> > > Probing code uses polling but actual NODATA/PIO/DMA handlers require IRQ
> > > so it needs much effort to make it work.
> >
> > Well, I'm thinking that I can emulate the irq by using a timer. A bad
> > hack, but it ought to work as long as I can get the timing correct.
> > This is for a compact flash interface.
>
> Sigh, proper fix is to convert NODATA/PIO handlers to use polling.
Of course, I'd rather do that. 8-)
next prev parent reply other threads:[~2004-03-25 2:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-24 23:29 So, is there support for IDE devices that have no IRQ? Marc Singer
2004-03-25 0:04 ` Bartlomiej Zolnierkiewicz
2004-03-25 1:44 ` Marc Singer
2004-03-25 2:23 ` Bartlomiej Zolnierkiewicz
2004-03-25 2:25 ` Marc Singer [this message]
2004-03-25 3:21 ` Benjamin Herrenschmidt
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