From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH 1/2] pata_legacy: export functionality to ide Date: Wed, 06 Aug 2008 15:34:48 +0400 Message-ID: <48998C58.20703@ru.mvista.com> References: <20080802183253.GA2239@gollum.tnic> <200808022046.16990.bzolnier@gmail.com> <20080803073756.GA8762@gollum.tnic> <20080803125907.67676948@lxorguk.ukuu.org.uk> <20080803143837.GA26672@gollum.tnic> <20080803162214.394b13a1@lxorguk.ukuu.org.uk> <20080803165135.GA31977@gollum.tnic> <4898630C.7090403@ru.mvista.com> <9ea470500808050732s7be29360ge358790e955be06a@mail.gmail.com> <58cb370e0808050741v7ff3f20awb3d91a84486f8547@mail.gmail.com> <20080806061023.GA23773@gollum.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from h155.mvista.com ([63.81.120.155]:40212 "EHLO imap.sh.mvista.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1755244AbYHFLez (ORCPT ); Wed, 6 Aug 2008 07:34:55 -0400 In-Reply-To: <20080806061023.GA23773@gollum.tnic> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: petkovbb@gmail.com, Bartlomiej Zolnierkiewicz , Sergei Shtylyov , Alan Cox , linux-kernel@vger.kernel.orglinux Hello. Borislav Petkov wrote: > From: Borislav Petkov > Date: Sun, 3 Aug 2008 18:46:35 +0200 > Subject: [PATCH] ide-generic: handle probing of legacy io-ports v4 > > Avoid probing the io-ports in case an IDE PCI controller is present and it uses > the legacy iobases. If we still want to enforce the probing, we do > > ide_generic.probe_mask=0x3f > > on the kernel command line. The iobase checking code is adapted from > drivers/ata/pata_legacy.c after converting hex pci ids into their corresponding > macros in . > > CC: Sergei Shtylyov > Signed-off-by: Borislav Petkov > Acked-by: Sergei Shtylyov > diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c > index 8fe8b5b..efce159 100644 > --- a/drivers/ide/ide-generic.c > +++ b/drivers/ide/ide-generic.c > [...] > @@ -100,19 +101,69 @@ static const u16 legacy_bases[] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 }; > static const int legacy_irqs[] = { 14, 15, 11, 10, 8, 12 }; > #endif > > +static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary) > +{ > + struct pci_dev *p = NULL; > + u16 val; > + > + for_each_pci_dev(p) { > + int r; > + > + for (r = 0; r < 6; r++) { > + if (pci_resource_start(p, r) == 0x1f0) > + *primary = 1; > + if (pci_resource_start(p, r) == 0x170) > + *secondary = 1; > + } > Would have been probably enough to test only BAR0/2, don't you think? MBR, Sergei