From: Tejun Heo <tj@kernel.org>
To: Andreas Werner <andreas.werner@men.de>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: [v2 0/2] ata/libata-eh.c: introduce ATA_FLAG_NO_LOG_PAGE
Date: Mon, 7 Dec 2015 10:26:30 -0500 [thread overview]
Message-ID: <20151207152630.GD9175@mtj.duckdns.org> (raw)
In-Reply-To: <cover.1449248754.git.andreas.werner@men.de>
On Fri, Dec 04, 2015 at 06:12:24PM +0100, Andreas Werner wrote:
> This patchset add a new ata port flag ATA_FLAG_NO_LOG_PAGE to be able
> to blacklist ports/controller which e.g. locks up on a log page read.
>
> This flag is added to the sata_fsl driver which is the first affected
> one.
>
> The lockup was detected on Freescale P1013/P1022, T4240 using a ATP
> mSATA.
> The device failed during initialisation if the SATA device includes the
> devslp feature.
>
> With this patchset, we blacklist the fsl sata controller and return
> a error on any attempt to read a log page. This allows us to access
> the mSATA.
Applied 1-2 to libata/for-4.4-fixes.
Thanks.
--
tejun
next prev parent reply other threads:[~2015-12-07 15:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-04 17:12 [v2 0/2] ata/libata-eh.c: introduce ATA_FLAG_NO_LOG_PAGE Andreas Werner
2015-12-04 17:12 ` [v2 1/2] libata-eh.c: Introduce new ata port flag for controller which lockup on read log page Andreas Werner
2015-12-04 17:14 ` [v2 2/2] ata/sata_fsl.c: add ATA_FLAG_NO_LOG_PAGE to blacklist the controller for log page reads Andreas Werner
2015-12-07 15:26 ` Tejun Heo [this message]
2015-12-08 6:12 ` [v2 0/2] ata/libata-eh.c: introduce ATA_FLAG_NO_LOG_PAGE Andreas Werner
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