From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: problem: Re: [PATCH] input: fixup X86_MRST selects Date: Mon, 28 Jun 2010 15:44:40 -0700 Message-ID: <20100628224440.GA19087@core.coreip.homeip.net> References: <20100609133443.38f1f957.sfr@canb.auug.org.au> <201006101204.45709.dmitry.torokhov@gmail.com> <4C28F210.7030909@oracle.com> <201006281318.16377.dmitry.torokhov@gmail.com> <4C2904D0.3000409@oracle.com> <43F901BD926A4E43B106BF17856F0755EA339079@orsmsx508.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-px0-f174.google.com ([209.85.212.174]:42700 "EHLO mail-px0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751811Ab0F1Woq (ORCPT ); Mon, 28 Jun 2010 18:44:46 -0400 Content-Disposition: inline In-Reply-To: <43F901BD926A4E43B106BF17856F0755EA339079@orsmsx508.amr.corp.intel.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: "Pan, Jacob jun" Cc: Randy Dunlap , Stephen Rothwell , "linux-next@vger.kernel.org" , LKML , "linux-input@vger.kernel.org" , akpm , "chuck.lever@oracle.com" , "H. Peter Anvin" On Mon, Jun 28, 2010 at 02:12:03PM -0700, Pan, Jacob jun wrote: > > > We do intend to maintain binary compatibility between generic kernel and Moorestown. > I guess the challenge is not having enumeration of i8042 pass to the driver. Do you > prefer abort i8042_platform_init() based on #define CONFIG_X86_MRST? It is no safe > to probe HW on Moorestown, unfortunately. Any check based on CONFIG_X86_MRST means that kernel is not generic. We'd need a runtime check (but not necessarily one that bangs ports). Is there something in processor flags, or DMI, or similar that woudl allow i8042 to see that it runs on Moorestown? -- Dmitry