From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: sata_sil24: external raid storage mistaken as port multiplier Date: Fri, 26 Nov 2010 21:16:03 +0100 Message-ID: <4CF01583.5050307@kernel.org> References: <1290461073.12443.21.camel@Tobias-Karnat> <1290514125.28293.2.camel@Tobias-Karnat> <1290572588.24847.20.camel@Tobias-Karnat> <4CEFEC17.6060503@kernel.org> <4CF014F8.9000700@teksavvy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:37159 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751077Ab0KZUQJ (ORCPT ); Fri, 26 Nov 2010 15:16:09 -0500 In-Reply-To: <4CF014F8.9000700@teksavvy.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Tobias Karnat , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Hello, On 11/26/2010 09:13 PM, Mark Lord wrote: >> That said, yeah, it probably would be a good idea to add a >> libata.force param. > > How about some form of auto-detection instead? That's a device which reports that it's a PMP but fails to behave itself as one. The sucky thing is that depending on the current mode and firmware revision, the same hardware can actually bahave as a pretty decent PMP. I frankly have no idea how to work it around. -- tejun