From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] sata_nv: sgpio for nvidia mcp55 -v3 Date: Mon, 13 Apr 2009 04:18:39 -0400 Message-ID: <49E2F55F.5060108@garzik.org> References: <20061031104055.GA8898@infradead.org> <15F501D1A78BD343BE8F4D8DB854566B0C8DDCF5@hkemmail01.nvidia.com> <86802c440711062009t7e98d27fqdfb466b9843da060@mail.gmail.com> <86802c440901180120u3e60e73dm53a37b7cd9034915@mail.gmail.com> <4972F4E5.3030203@kernel.org> <49768355.4040301@kernel.org> <4977DAAF.5060006@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:51480 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753968AbZDMISw (ORCPT ); Mon, 13 Apr 2009 04:18:52 -0400 In-Reply-To: <4977DAAF.5060006@kernel.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Yinghai Lu Cc: Peer Chen , Kuan Luo , Christoph Hellwig , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, Ingo Molnar , Andrew Morton Yinghai Lu wrote: > Impact: new features > > based on patch on > http://marc.info/?l=linux-ide&m=116289338705418&w=2 > > 1. update the patch for 2.6.19 to latest upstream ( 2.6.28?) > 2. fix shared sgpio to support several mcp55 + io55, so every mcp55 have > seperate spinlock > 3. use scratch_source as numbering of sgpio instead of address of struct, > so could go through kexec/kdump > > v2: revert NV_ON and NV_OFF, so turn on Activity LED all the time when disk is idle. > v3: use one timer per sgpio instead of per nv_host, so for mcp55+io55 system will use 2 timers > instead of 6 timers. > > Signed-off-by: Yinghai Lu > > --- > drivers/ata/sata_nv.c | 562 ++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 562 insertions(+) Is this really over 500 LOC, just to blink some lights from the data xfer hot path? :) Jeff