From mboxrd@z Thu Jan 1 00:00:00 1970 From: Graham Gower Subject: [PATCH v4] skge: Add DMA mask quirk for Marvell 88E8001 on ASUS P5NSLI motherboard. Date: Mon, 08 Oct 2012 17:13:24 +1030 Message-ID: <5072760C.7060004@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, shemminger@vyatta.com To: davem@davemloft.net Return-path: Received: from mail-da0-f46.google.com ([209.85.210.46]:57539 "EHLO mail-da0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750788Ab2JHGnY (ORCPT ); Mon, 8 Oct 2012 02:43:24 -0400 Received: by mail-da0-f46.google.com with SMTP id n41so1395106dak.19 for ; Sun, 07 Oct 2012 23:43:24 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Marvell 88E8001 on an ASUS P5NSLI motherboard is unable to send/receive packets on a system with >4gb ram unless a 32bit DMA mask is used. This issue has been around for years and a fix was sent 3.5 years ago, but there was some debate as to whether it should instead be fixed as a PCI quirk. http://www.spinics.net/lists/netdev/msg88670.html However, 18 months later a similar workaround was introduced for another chipset exhibiting the same problem. http://www.spinics.net/lists/netdev/msg142287.html Signed-off-by: Graham Gower --- a/drivers/net/ethernet/marvell/skge.c.bak +++ b/drivers/net/ethernet/marvell/skge.c @@ -4143,6 +4143,13 @@ DMI_MATCH(DMI_BOARD_NAME, "nForce"), }, }, + { + .ident = "ASUS P5NSLI", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), + DMI_MATCH(DMI_BOARD_NAME, "P5NSLI") + }, + }, {} };