Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764976AbXEUPql (ORCPT ); Mon, 21 May 2007 11:46:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763747AbXEUPqW (ORCPT ); Mon, 21 May 2007 11:46:22 -0400 Received: from outbound-mail-08.bluehost.com ([69.89.17.208]:33971 "HELO outbound-mail-08.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1763603AbXEUPqU (ORCPT ); Mon, 21 May 2007 11:46:20 -0400 From: Jesse Barnes To: "Udo A. Steinberg" Subject: Re: [PATCH 4/8] Force detect and enable HPET on ICH Date: Mon, 21 May 2007 08:46:03 -0700 User-Agent: KMail/1.9.6 Cc: Venki Pallipadi , linux-kernel , Andrew Morton , Thomas Gleixner , Andi Kleen , Ingo Molnar , Chris Wright References: <20070507203128.GD3926@linux-os.sc.intel.com> <20070521025822.506c3287@laptop.hypervisor.org> In-Reply-To: <20070521025822.506c3287@laptop.hypervisor.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200705210846.03540.jbarnes@virtuousgeek.org> X-Identified-User: {642:box128.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 76.102.120.196 authed with jbarnes@virtuousgeek.org} Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1004 Lines: 25 On Sunday, May 20, 2007, Udo A. Steinberg wrote: > On Mon, 7 May 2007 13:31:28 -0700 Venki Pallipadi (VP) wrote: > > VP> Force detect and/or enable HPET on ICH chipsets. This patch just > handles the VP> detection part and following patches use this > information. > VP> > VP> Signed-off-by: Venkatesh Pallipadi > > Venki, > > Is there any reason your patch only enables HPET on ICH6 and beyond? > HPET can be enabled on earlier ICH by setting bit 17 in GEN_CNTL on PCI > dev 31, func 0, offset d0. This seems to work for ICH3/4/5. Are there > any errata affecting these ICHs? I see it documented in the ICH5 datasheet, but that bit is marked reserved in the ICH3 and ICH4 datasheets... Which docs are you looking at? Jesse - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/