From: Tejun Heo <htejun@gmail.com>
To: Gwendal Grignou <gwendal@google.com>
Cc: kernel@teksavvy.com, mihrcke@gmail.com, derry@high-rely.com,
linux-ide@vger.kernel.org
Subject: Re: [PATCH] [libata]Issue SRST to Disks behind Sil3726
Date: Wed, 19 Oct 2011 17:37:20 -0700 [thread overview]
Message-ID: <20111020003720.GU25124@google.com> (raw)
In-Reply-To: <1319070953-24391-2-git-send-email-gwendal@google.com>
On Wed, Oct 19, 2011 at 05:35:53PM -0700, Gwendal Grignou wrote:
> Reenable sending SRST to devices connected behind a Sil3726 PMP.
> This allow staggered spinups and handles drives that spins up slowly.
>
> While the drives spin up, the PMP will not accept SRST.
> Most controllers reissue the reset until the drive is ready, while
> some [Sil3124] returns an error.
> In ata_eh_error, wait for the next reset deadline before resetting the ATA
> port and trying again.
>
>
> Signed-off-by: Gwendal Grignou <gwendal@google.com>
Acked-by: Tejun Heo <tj@kernel.org>
I hope this can be applied to other controllers too as the failure
mode should be similar for all SIMG PMPs.
Thanks.
--
tejun
next prev parent reply other threads:[~2011-10-20 0:37 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <359604ECF8F440408B9634E6146249B42923805F@mail.scl.local>
[not found] ` <20110628095723.GC3386@htj.dyndns.org>
2011-06-30 17:53 ` Problem w/ hotplug on sata_sil24 w/ PMP (sil3726) Derry Bryson
2011-07-12 15:01 ` tj
2011-07-12 19:21 ` Derry Bryson
2011-07-13 13:34 ` tj
2011-07-13 14:39 ` tj
2011-07-13 16:23 ` Derry Bryson
2011-07-14 7:14 ` tj
2011-07-14 17:37 ` Derry Bryson
2011-07-21 9:00 ` tj
2011-07-21 16:22 ` Derry Bryson
2011-07-22 9:50 ` tj
2011-07-22 17:29 ` Derry Bryson
2011-07-22 19:34 ` Derry Bryson
2011-07-30 12:54 ` tj
2011-09-30 21:54 ` Mike I
2011-10-06 5:48 ` Gwendal Grignou
2011-10-06 6:03 ` [PATCH] libata: Allow SOFT_RESET for Sil3726 Gwendal Grignou
2011-10-06 8:03 ` Tejun Heo
2011-10-06 20:44 ` Gwendal Grignou
2011-10-06 22:10 ` Tejun Heo
2011-10-12 14:03 ` Mark Lord
2011-10-20 0:02 ` [PATCH] [libata]Issue SRST to Sil3726 PMP Gwendal Grignou
2011-10-20 0:02 ` Gwendal Grignou
2011-10-20 0:07 ` Tejun Heo
2011-10-20 0:28 ` Gwendal Grignou
2011-10-20 0:17 ` Gwendal Grignou
2011-10-20 0:17 ` Gwendal Grignou
2011-10-20 0:35 ` [PATCH] [libata]Send SRST to disks behind " Gwendal Grignou
2011-10-20 0:35 ` [PATCH] [libata]Issue SRST to Disks behind Sil3726 Gwendal Grignou
2011-10-20 0:37 ` Tejun Heo [this message]
2011-10-06 10:42 ` [PATCH] libata: Allow SOFT_RESET for Sil3726 Sergei Shtylyov
[not found] ` <CAMHSBOV8rSW3jumpx8URZrgo8w1He9zruP7yAOw7uhQOaAj3Xg@mail.gmail.com>
2011-10-06 6:07 ` Problem w/ hotplug on sata_sil24 w/ PMP (sil3726) Gwendal Grignou
2011-10-08 18:25 ` Michael Ihrcke
2011-10-12 2:06 ` Michael Ihrcke
2011-10-13 2:09 ` Mike I
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