From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?RMOibmllbA==?= Fraga Subject: Re: ICH10 not working with AHCI kernel option Date: Fri, 9 Apr 2010 00:16:31 -0300 Message-ID: <4bbe9c12.1502be0a.0f89.1047@mx.google.com> References: <4bbdde49.e302be0a.3106.0220@mx.google.com> <20100408145916.50dbe8de@lxorguk.ukuu.org.uk> <4bbde1ea.c701be0a.60ec.0270@mx.google.com> <20100408150920.5689564b@lxorguk.ukuu.org.uk> <4bbde4f7.1702be0a.5f6c.028e@mx.google.com> <4BBE6CA6.1010808@gmail.com> <4bbe8a6a.8602be0a.7951.0fb8@mx.google.com> <4bbe8f84.1502be0a.0f89.0f16@mx.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Return-path: Received: from mail-yw0-f194.google.com ([209.85.211.194]:52448 "EHLO mail-yw0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753279Ab0DIDl1 (ORCPT ); Thu, 8 Apr 2010 23:41:27 -0400 Received: by ywh32 with SMTP id 32so251863ywh.33 for ; Thu, 08 Apr 2010 20:41:26 -0700 (PDT) In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Robert Hancock , Alan Cox , linux-ide@vger.kernel.org On Thu, 8 Apr 2010 20:52:34 -0600 Robert Hancock wrote: > We can detect an AHCI-capable Intel chipsets (in most cases anyway), > but problem is that a lot of systems with such chipsets, especially > laptops, unfortunately have no way to actually put the controller into > AHCI mode (no BIOS option for it). We could whine about it, but in a > lot of cases there's not much that can be done about it.. > > Intel chipsets are pretty much the only ones that have the separate > modes in the BIOS for AHCI - others like NVIDIA AHCI-compliant > controllers support both legacy mode and AHCI in the same device, > which is a lot more convenient in some ways.. Yes, I agree completely! It's absurd that in plain XXI century, hardware makers still default to legacy mode without a chance for the user to change that in BIOS. I understand that Linus Torvalds complained about EFI some time ago (http://kerneltrap.org/node/6884), citing it as "other Intel brain-damage" but at least EFI would give a chance for the user to interact better with the system than the limited, ugly and old "BIOS". When every motherboard maker adopt EFI, I hope this limitation will go away. I can't understand why new Core i7 systems still use BIOS instead of EFI. --