From: Tejun Heo <tj@kernel.org>
To: Suman Tripathi <stripathi@apm.com>
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
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 [thread overview]
Message-ID: <20150105140348.GF15833@htj.dyndns.org> (raw)
In-Reply-To: <1419823367-11279-3-git-send-email-stripathi@apm.com>
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 <stripathi@apm.com>
Ah, you already posted the updated versions. Applied these instead.
Thanks.
--
tejun
prev parent reply other threads:[~2015-01-05 14:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-29 3:22 [PATCH v3 0/2] ahci_xgene: Bug fixes in APM X-Gene Soc AHCI SATA controller driver Suman Tripathi
2014-12-29 3:22 ` [PATCH v3 1/2] ahci_xgene: Fix the endianess issue in APM X-Gene SoC " Suman Tripathi
2014-12-29 3:22 ` [PATCH v3 2/2] ahci_xgene: Fix the DMA state machine lockup for the ATA_CMD_PACKET PIO mode command Suman Tripathi
2015-01-05 14:03 ` Tejun Heo [this message]
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