Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262717AbVAVNs4 (ORCPT ); Sat, 22 Jan 2005 08:48:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262719AbVAVNs4 (ORCPT ); Sat, 22 Jan 2005 08:48:56 -0500 Received: from relay1.tiscali.de ([62.26.116.129]:44734 "EHLO webmail.tiscali.de") by vger.kernel.org with ESMTP id S262717AbVAVNsy (ORCPT ); Sat, 22 Jan 2005 08:48:54 -0500 Message-ID: <41F259C4.9020903@tiscali.de> Date: Sat, 22 Jan 2005 14:48:52 +0100 From: Matthias-Christian Ott User-Agent: Mozilla Thunderbird 1.0 (X11/20050108) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Linux Kernel Mailing List CC: Dave Jones , cpufreq@lists.linux.org.uk, "H. Peter Anvin" , Dominik Brodowski , Zwane Mwaikambo , Arjan van de Ven , Linus Torvalds Subject: [PATCH]: speedstep-lib: fix frequency multiplier for Pentium4 models 0&1 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1065 Lines: 34 The Pentium4 models 0&1 have a longer MSR_EBC_FREQUENCY_ID register as the models 2&3, so the bit shift must be bigger. Signed-off-by: Matthias-Christian Ott --- linux-bk/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c.orig 2005-01-21 13:55:37.000000000 +0100 +++ linux-bk/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c 2005-01-22 10:58:34.000000000 +0100 @@ -160,7 +160,14 @@ printk(KERN_DEBUG "speedstep-lib: couldn't detect FSB speed. Please send an e-mail to \n"); /* Multiplier. */ - mult = msr_lo >> 24; + if (c->x86_model < 2) + { + mult = msr_lo >> 27; + } + else + { + mult = msr_lo >> 24; + } dprintk("P4 - FSB %u kHz; Multiplier %u; Speed %u kHz\n", fsb, mult, (fsb * mult)); - 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/