From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH v3 2/2] ahci_xgene: Fix the DMA state machine lockup for the ATA_CMD_PACKET PIO mode command. Date: Mon, 5 Jan 2015 09:03:48 -0500 Message-ID: <20150105140348.GF15833@htj.dyndns.org> References: <1419823367-11279-1-git-send-email-stripathi@apm.com> <1419823367-11279-3-git-send-email-stripathi@apm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1419823367-11279-3-git-send-email-stripathi@apm.com> Sender: linux-scsi-owner@vger.kernel.org To: Suman Tripathi Cc: olof@lixom.net, arnd@arndb.de, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, mlangsdo@redhat.com, jcm@redhat.com, patches@apm.com List-Id: devicetree@vger.kernel.org On Mon, Dec 29, 2014 at 08:52:47AM +0530, Suman Tripathi wrote: > This patch addresses the issue with ATA_CMD_PACKET pio mode > command for enumeration and device detection with ATAPI devices. > The X-Gene AHCI controller has an errata in which it cannot clear > the BSY bit after the PIO setup FIS. The dma state machine enters > CMFatalErrorUpdate state and locks up. > > Signed-off-by: Suman Tripathi Ah, you already posted the updated versions. Applied these instead. Thanks. -- tejun