Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261929AbVEWSfV (ORCPT ); Mon, 23 May 2005 14:35:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261926AbVEWSfT (ORCPT ); Mon, 23 May 2005 14:35:19 -0400 Received: from mail.dvmed.net ([216.237.124.58]:38601 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S261929AbVEWSec (ORCPT ); Mon, 23 May 2005 14:34:32 -0400 Message-ID: <42922232.90206@pobox.com> Date: Mon, 23 May 2005 14:34:26 -0400 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20050328 Fedora/1.7.6-1.2.5 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Sergey Vlasov CC: Ivan G , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: DMA not works in Linux 2.6.12, but in Windows works fine. References: <20050523193010.5bf72481.vsu@altlinux.ru> In-Reply-To: <20050523193010.5bf72481.vsu@altlinux.ru> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 686 Lines: 19 Sergey Vlasov wrote: > To IDE developers: Is something planned to work around this problem? > AFAIK, there are some machines where BIOS does not provide an option to > turn off the combined mode. This limitation exists because two drivers (drivers/ide and libata) want to use different parts of the same hardware. Once libata can do ATAPI 100%, when we can just let libata handle both PATA and SATA, which will enable DMA again. Jeff - 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/