linux-kernel - Re: [PATCH v2] sata_via: Apply WD workaround only when needed on VT6421

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Message-ID: <20160225181822.GA6092@mtj.duckdns.org>
Date:	Thu, 25 Feb 2016 13:18:22 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Ondrej Zary <linux@...nbow-software.org>
Cc:	linux-ide@...r.kernel.org, Joseph Chan <JosephChan@....com.tw>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] sata_via: Apply WD workaround only when needed on
 VT6421

On Sat, Feb 20, 2016 at 12:01:53PM +0100, Ondrej Zary wrote:
> Currently, workaround for broken WD drives is applied always, slowing
> down all drives. And it has a bug - it's not applied after resume.
> 
> Apply the workaround only if the error really appears
> (SErr == 0x1000500). This allows unaffected drives to run at full speed
> (provided that no affected drive is connected to the controller).
> Also make sure the workaround is re-applied on resume.
...
> Signed-off-by: Ondrej Zary <linux@...nbow-software.org>

Applied to libata/for-4.6.

Thanks.

-- 
tejun