From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH 1/1] AHCI: disabled FBS prior to issuing software reset Date: Sat, 28 Sep 2013 09:10:59 -0400 Message-ID: <20130928131059.GA3945@htj.dyndns.org> References: <1380366816-16221-1-git-send-email-yxlraid@gmail.com> <20130928114950.GA2620@htj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: xiangliang yu Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-ide@vger.kernel.org Hello, On Sat, Sep 28, 2013 at 09:04:15PM +0800, xiangliang yu wrote: > hi, Tejun > i had tested the patch with Marvell 88se9235. And driver can find disk > if FBS disabled, or can't find disk. So it can't find the disk if FBS stays enabled? Can you please attach the boot log before & after? > Please see chapter 9.3.9 and 9.3.8 of AHCI spec. Thanks. Given how crappy and outdated PMP hardware are in general, I'm very unwilling to make changes just because the spec says so, so please stop repeating the spec and provide data. Thanks. -- tejun