Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268678AbTGIWhM (ORCPT ); Wed, 9 Jul 2003 18:37:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268679AbTGIWhM (ORCPT ); Wed, 9 Jul 2003 18:37:12 -0400 Received: from mion.elka.pw.edu.pl ([194.29.160.35]:54194 "EHLO mion.elka.pw.edu.pl") by vger.kernel.org with ESMTP id S268678AbTGIWhJ (ORCPT ); Wed, 9 Jul 2003 18:37:09 -0400 Date: Thu, 10 Jul 2003 00:51:18 +0200 (MET DST) From: Bartlomiej Zolnierkiewicz To: Linus Torvalds cc: Jeff Garzik , Linux Kernel Mailing List , Alan Cox Subject: Re: Fix IDE initialization when we don't probe for interrupts. In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1167 Lines: 35 On Wed, 9 Jul 2003, Linus Torvalds wrote: > On Wed, 9 Jul 2003, Jeff Garzik wrote: > > > > I'm curious where interrupts are re-enabled, though? > > The low-level drivers seem to do it at every IO. Don't ask me why. But it > gets done automatically by any code that does > > hwif->OUTB(drive->ctl, IDE_CONTROL_REG); > > which is pretty common (just grep for "IDE_CONTROL_REG" and you'll see > what I mean). > > I note that I should have made this "disable irq" be dependent on > IDE_CONTROL_REG being non-zero. Although I don't see when that register > _can_ be zero, it would be a major bummer not to have access to the > control register. > > (Obviously it must be zero for some architecture, though, or those > conditionals woulnd't make sense. Alan? Bartlomiej? What kind of sick > pseudo-IDE controller doesn't have a control register?). Amiga X-Surf and Amiga Gayle with IDE doubler... -- Bartlomiej > Linus - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/