From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH] sata_nv: fix ADMA ATAPI issues with memory over 4GB (v3) Date: Sat, 24 Nov 2007 14:12:10 +0900 Message-ID: <4747B2AA.600@gmail.com> References: <47463534.9010100@shaw.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.179]:13000 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750741AbXKXFMS (ORCPT ); Sat, 24 Nov 2007 00:12:18 -0500 Received: by wa-out-1112.google.com with SMTP id v27so34575wah for ; Fri, 23 Nov 2007 21:12:17 -0800 (PST) In-Reply-To: <47463534.9010100@shaw.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Robert Hancock Cc: linux-kernel , ide , Jeff Garzik Robert Hancock wrote: > This fixes some problems with ATAPI devices on nForce4 controllers in ADMA mode > on systems with memory located above 4GB. We need to delay setting the 64-bit > DMA mask until the PRD table and padding buffer are allocated so that they don't > get allocated above 4GB and break legacy mode (which is needed for ATAPI > devices). > > Signed-off-by: Robert Hancock Acked-by: Tejun Heo Thanks. -- tejun