From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from oproxy4-pub.bluehost.com ([69.89.21.11]:46367 "HELO oproxy4-pub.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753246Ab2BWQsU (ORCPT ); Thu, 23 Feb 2012 11:48:20 -0500 Date: Thu, 23 Feb 2012 08:48:13 -0800 From: Jesse Barnes To: "Michael S. Tsirkin" Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, lenb@kernel.org, linux-acpi@vger.kernel.org Subject: Re: shpc with acpi=off? Message-ID: <20120223084813.39908d81@jbarnes-desktop> In-Reply-To: <20120216150421.GA26167@redhat.com> References: <20120216150421.GA26167@redhat.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/eR5zNMI19XUPhk2mZEmMiX."; protocol="application/pgp-signature" Sender: linux-pci-owner@vger.kernel.org List-ID: --Sig_/eR5zNMI19XUPhk2mZEmMiX. Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Thu, 16 Feb 2012 17:04:22 +0200 "Michael S. Tsirkin" wrote: > I have a box where shpc works fine with acpi, > as well as when acpi is not built into kernel, > but fails with acpi=3Doff > Some debugging seems to indicate that > acpi_get_hp_hw_control_from_firmware > fails with acpi=3Doff. >=20 > Is this a bug or is there a reason to prevent shpc > from working in this setup? > Do we even care about acpi=3Doff? > Assuming we want to make acpi_get_hp_hw_control_from_firmware > succeed with acpi=3Doff, what is the best way to do this? > Check acpi_pci_disabled? Yeah not sure it's important to have SHPC work with acpi=3Doff. Disabling ACPI prevents us from getting all sorts of important info these days... --=20 Jesse Barnes, Intel Open Source Technology Center --Sig_/eR5zNMI19XUPhk2mZEmMiX. Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJPRm3NAAoJEIEoDkX4Qk9hVjoQAKLz+XnHv42HdmYLE6qtrgwe XYGjpicKKBQfkG3rTvXQLQnPP9n6xJl7Vbi0bwvsHYr0skA49UbzATWqMi0blbUZ WgL5CUDpFpXeC8iXTZwlbH4v7FHKd21ukB9RPX45Db11qKhQLN48cWnwJ+1Wki5D VpWBJ8orhGTSoLBP7dlKAqE0+BMbFTraa0gnzL/UIjgGSWH1t9MhY427cagrIJhn 4DUxdqjqDzj245bybIdnCAzAxv3A5++yev89s25V6W4HqYZThf9oUZKGrkVyvQ6B MWTOeCMVS1XHogaOtQC4Vq1q5oo0Jr7Okm82xuZduk9/Usuhwt5xpwtoYo/14+ZA V7KIz5m1hQCNHTUL3PIr1gIBArXhRyFrKNkA8mA9DMPVa2KcrCT8GEWcbdfHRTFB GdE4FdeRpiRpxIdxSWVaiAbG6/RX0VQmcSNyCTilzeabPf4wodPNltchtGgaeQB+ FoJ1gKHN00lA3+hltMnkpzZmA+N3qPHfgo2QG/Nc47LjghnwQumXwk7XZsfSDk13 k9eZ1vc2YquoS5sPzRSoyNGJ91+Q6BfZnZ9n+oc4WxaIYmIqXYfsifTxcaMg1N4s B6F183bz++mO1DMIZ7QW4LMdX32cz1S/zZb4uXZVAsbTpVHGgZFmJHKpXUV1Jwhe cL+B4aHhnurz944FmDct =eyjL -----END PGP SIGNATURE----- --Sig_/eR5zNMI19XUPhk2mZEmMiX.--