From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.gmx.net (mail.gmx.net [213.165.64.20]) by ozlabs.org (Postfix) with SMTP id 473DCDDFC4 for ; Mon, 12 Jan 2009 07:05:33 +1100 (EST) Content-Type: text/plain; charset="iso-8859-1" Date: Sun, 11 Jan 2009 21:05:30 +0100 From: "Gerhard Pircher" In-Reply-To: <200901111751.55757.bzolnier@gmail.com> Message-ID: <20090111200530.113910@gmx.net> MIME-Version: 1.0 References: <20090107135457.234150@gmx.net> <20090107152722.140970@gmx.net> <200901111751.55757.bzolnier@gmail.com> Subject: Re: [PATCH 5/5] ide: Force VIA IDE legacy interrupts for AmigaOne boards To: Bartlomiej Zolnierkiewicz Cc: linux-ide@vger.kernel.org, linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , -------- Original-Nachricht -------- > Datum: Sun, 11 Jan 2009 17:51:55 +0100 > Von: Bartlomiej Zolnierkiewicz > An: "Gerhard Pircher" > CC: "Grant Likely" , linuxppc-dev@ozlabs.org, linux-ide@vger.kernel.org > Betreff: Re: [PATCH 5/5] ide: Force VIA IDE legacy interrupts for AmigaOne boards > On Wednesday 07 January 2009, Gerhard Pircher wrote: > > > > -------- Original-Nachricht -------- > > > Datum: Wed, 7 Jan 2009 08:13:06 -0700 > > > Von: "Grant Likely" > > > An: "Gerhard Pircher" > > > CC: linuxppc-dev@ozlabs.org, bzolnier@gmail.com > > > Betreff: Re: [PATCH 5/5] ide: Force VIA IDE legacy interrupts for > AmigaOne boards > > > > > On Wed, Jan 7, 2009 at 7:12 AM, Gerhard Pircher > > > > wrote: > > > > The AmigaOne uses the onboard VIA IDE controller in legacy mode > > > >(like the Pegasos). > > > > > > > > Signed-off-by: Gerhard Pircher > > > > --- > > > > drivers/ide/via82cxxx.c | 5 +++++ > > > > 1 files changed, 5 insertions(+), 0 deletions(-) > > > > > > This patch needs to also be posted on the linux-ide mailing list. > > Ouch, I only sent it to the maintainer. I'll fix that. > > [ Please also keep all previous recipients on cc: when doing so. ] Okay, I'll keep that in mind. > > > > diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c > > > > index 2a812d3..086f476 100644 > > > > --- a/drivers/ide/via82cxxx.c > > > > +++ b/drivers/ide/via82cxxx.c > > > > @@ -450,6 +450,11 @@ static int __devinit via_init_one(struct > pci_dev > > > *dev, const struct pci_device_i > > > > d.host_flags |= IDE_HFLAG_FORCE_LEGACY_IRQS; > > > > #endif > > > > > > > > +#ifdef CONFIG_AMIGAONE > > > > + if (machine_is(amigaone)) > > > > + d.host_flags |= IDE_HFLAG_FORCE_LEGACY_IRQS; > > > > +#endif > > > > + > > > > > > I know you're just following the example of the PEGASOS workaround > > > immediately above; but the #defines are really ugly. I wonder if > > > there is there a cleaner way to manipulate the flags. > > AFAIK the via82cxxx driver doesn't make use of the > > pci_get_legacy_ide_irq approach. > > I applied your patch for 2.6.29 but for 2.6.30 I would ask you to clean > up #ifdefs by using ide_pci_is_in_compatibility_mode() helper instead for > checking if IDE_HFLAG_FORCE_LEGACY_IRQS should be set. Wouldn't it be better, if I clean this up now? (I have to resend my AmigaOne platform patches anyway). > [ Some time ago Pegasos got PCI quirk to put controller in the legacy mode > (arch/powerpc/platforms/chrp/pci.c) so it is OK to also remove Pegasos' > special case while at it. ] Okay, so the change shouldn't break IDE for Pegasos machines (I don't have a Pegasos for testing). Thanks! Gerhard -- Psssst! Schon vom neuen GMX MultiMessenger gehört? Der kann`s mit allen: http://www.gmx.net/de/go/multimessenger