linux-kernel - Re: [v2 0/2] ata/libata-eh.c: introduce ATA_FLAG_NO_LOG

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Message-ID: <20151207152630.GD9175@mtj.duckdns.org>
Date:	Mon, 7 Dec 2015 10:26:30 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Andreas Werner <andreas.werner@....de>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: [v2 0/2] ata/libata-eh.c: introduce ATA_FLAG_NO_LOG_PAGE

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
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