From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Singer Subject: Re: So, is there support for IDE devices that have no IRQ? Date: Wed, 24 Mar 2004 18:25:11 -0800 Sender: linux-ide-owner@vger.kernel.org Message-ID: <20040325022511.GA12156@buici.com> References: <20040324232905.GA11286@buici.com> <200403250104.10142.bzolnier@elka.pw.edu.pl> <20040325014423.GA9860@buici.com> <200403250323.44984.bzolnier@elka.pw.edu.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from florence.buici.com ([206.124.142.26]:38816 "HELO florence.buici.com") by vger.kernel.org with SMTP id S263123AbUCYCZN (ORCPT ); Wed, 24 Mar 2004 21:25:13 -0500 Content-Disposition: inline In-Reply-To: <200403250323.44984.bzolnier@elka.pw.edu.pl> List-Id: linux-ide@vger.kernel.org To: Bartlomiej Zolnierkiewicz Cc: linux-ide@vger.kernel.org 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-)