From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261464AbTJ0Jpj (ORCPT ); Mon, 27 Oct 2003 04:45:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261473AbTJ0Jpj (ORCPT ); Mon, 27 Oct 2003 04:45:39 -0500 Received: from mion.elka.pw.edu.pl ([194.29.160.35]:57804 "EHLO mion.elka.pw.edu.pl") by vger.kernel.org with ESMTP id S261464AbTJ0Jph (ORCPT ); Mon, 27 Oct 2003 04:45:37 -0500 From: Bartlomiej Zolnierkiewicz To: Michel Bouissou Subject: Re: Patch for Promise PDC20276 Date: Mon, 27 Oct 2003 10:49:32 +0100 User-Agent: KMail/1.5.4 References: <200310271009.13054@totor.bouissou.net> In-Reply-To: <200310271009.13054@totor.bouissou.net> Cc: abrutschy@xylon.de, linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200310271049.32819.bzolnier@elka.pw.edu.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This was discussed few times before. Just enable "Special FastTrak feature" (overriding BIOS) config option. On Monday 27 of October 2003 10:09, Michel Bouissou wrote: > Hi there, > > The patch that Arne Brutschy posted here (see > http://www.cs.helsinki.fi/linux/linux-kernel/2003-22/0386.html) almost > saved my life as it allowed me to understand why my 2.4.22 kernel didn't > activate my Promise PDC20276 IDE controller properly. > > (For the record, my kernel was displaying the following message at boot: > PDC20276: neither IDE port enabled (BIOS) > ) > > But this patch was only halfway satisfactory, as it enabled only one of my > 2 controller channels. > > So I did a quick-and-dirty hack that gives the following patch, that allows > activation of both channels of my PDC20276. > > This might help others encountering the same problem... > > ========== CUT HERE ========== > --- drivers/ide/setup-pci.c.orig 2003-08-25 13:44:41.000000000 +0200 > +++ drivers/ide/setup-pci.c 2003-10-26 20:35:49.000000000 +0100 > @@ -577,7 +577,7 @@ > ata_index_t index; > u8 tmp = 0; > ide_hwif_t *hwif, *mate = NULL; > - static int secondpdc = 0; > +/* MiB static int secondpdc = 0; */ > > index.all = 0xf0f0; > > @@ -637,10 +637,10 @@ > * by the bios for raid purposes. > * Skip the normal "is it enabled" test for those. > */ > - if (((d->vendor == PCI_VENDOR_ID_PROMISE) && > + if ((d->vendor == PCI_VENDOR_ID_PROMISE) && > ((d->device == PCI_DEVICE_ID_PROMISE_20262) || > - (d->device == PCI_DEVICE_ID_PROMISE_20265))) && > - (secondpdc++==1) && (port==1)) > + (d->device == PCI_DEVICE_ID_PROMISE_20265) || > + (d->device == PCI_DEVICE_ID_PROMISE_20276))) > goto controller_ok; > > if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) || > ========== CUT HERE ========== > > Regards