From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Ellerman Subject: Re: "ahci: drop intx manipulation on msi enable" breaks ULI M1575 Date: Thu, 09 Apr 2009 09:53:13 +1000 Message-ID: <1239234793.6214.5.camel@localhost> References: <49DB6914.1030107@freescale.com> <49DBE858.9040004@kernel.org> <1239156559.10104.7.camel@localhost> <49DD1154.3040106@kernel.org> <49DD11D1.7060105@freescale.com> <49DD1375.8030400@kernel.org> <49DD1465.6070001@freescale.com> <49DD17C3.7040607@kernel.org> Reply-To: michael@ellerman.id.au Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-7giAax17ruEw6v62IPlA" Return-path: Received: from bilbo.ozlabs.org ([203.10.76.25]:33824 "EHLO bilbo.ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755952AbZDHXxP (ORCPT ); Wed, 8 Apr 2009 19:53:15 -0400 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Timur Tabi Cc: Tejun Heo , linux-ide@vger.kernel.org, Jeff Garzik , Linux PPC Development --=-7giAax17ruEw6v62IPlA Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Wed, 2009-04-08 at 17:15 -0500, Timur Tabi wrote: > On Wed, Apr 8, 2009 at 4:31 PM, Tejun Heo wrote: > > Hmmm... for now, > > I think it would be best to revert the original change. Jeff, can you > > please do that? >=20 > Actually, give me a few days before you do that. A colleague gave me > some suggestions to debug this. What device did you say it was? A "ULI M1575" ? Is that this one? DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, hpcd_quirk_uli1575); = =20 static void __devinit hpcd_quirk_uli1575(struct pci_dev *dev) = =20 { u32 temp32; if (!machine_is(mpc86xx_hpcd)) return; /* Disable INTx */ pci_read_config_dword(dev, 0x48, &temp32); pci_write_config_dword(dev, 0x48, (temp32 | 1<<26)); .. cheers --=20 Michael Ellerman OzLabs, IBM Australia Development Lab wwweb: http://michael.ellerman.id.au phone: +61 2 6212 1183 (tie line 70 21183) We do not inherit the earth from our ancestors, we borrow it from our children. - S.M.A.R.T Person --=-7giAax17ruEw6v62IPlA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAkndOOkACgkQdSjSd0sB4dL/WwCbBHwjGifGBSsCWuJQzbgiz1vh edMAoI+rCPUZylkCxqa00WYz2c6efmrK =b3u/ -----END PGP SIGNATURE----- --=-7giAax17ruEw6v62IPlA--