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From: Tejun Heo <htejun@gmail.com>
To: Mark Lord <liml@rtr.ca>
Cc: Jeff Garzik <jeff@garzik.org>,
	IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: sata_mv & pmp support
Date: Thu, 17 Apr 2008 07:19:43 +0900	[thread overview]
Message-ID: <48067B7F.1030702@gmail.com> (raw)
In-Reply-To: <48061E10.4000604@rtr.ca>

Mark Lord wrote:
>> So I ought to be able to insert (for debug purposes only) a msleep(3000)
>> at an appropriate location in the code, and suddenly see this problem 
>> go away?
>>
>> Not for upstream -- the eventual hotplug support in sata_mv is the 
>> real solution.
>> But just to confirm that this is indeed the issue.
> ..
> 
> Heh.. darned near exactly 3 seconds does it, alright.

Heh... 3 secs sounds right.  Yeah, that was the slowest I've ever seen. 
  Maybe we need to extend reset timings.

> Okay, I won't fuss over this for now -- it works if the PM is plugged in
> at boot (because the BIOS fiddles it first), and it works when warmplugged
> so long as sata_mv is unloaded and reloaded.
> 
> This will get fixed completely with the hotplug support fixes coming 
> later this week.

Great.

-- 
tejun

      reply	other threads:[~2008-04-16 22:19 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-07 16:25 [PATCH #upstream 1/2] libata: kill dead code paths in reset path Tejun Heo
2008-04-07 16:46 ` [PATCH #upstream 2/2] libata: move link onlineness check out of softreset methods Tejun Heo
2008-04-12  4:35 ` [PATCH #upstream 1/2] libata: kill dead code paths in reset path Jeff Garzik
2008-04-13 16:27   ` Mark Lord
2008-04-14 20:52     ` sata_mv & pmp support Mark Lord
2008-04-15  2:01       ` Tejun Heo
2008-04-15 14:03         ` Mark Lord
2008-04-15 14:04           ` Mark Lord
     [not found]       ` <4803C850.9010901@rtr.ca>
2008-04-15  2:07         ` Tejun Heo
2008-04-15 19:59           ` Mark Lord
2008-04-15 20:14             ` Mark Lord
2008-04-15 22:36               ` Tejun Heo
2008-04-15 22:53                 ` Mark Lord
2008-04-16  2:03                   ` Mark Lord
2008-04-16  2:10                     ` Tejun Heo
2008-04-16  7:05                       ` Gwendal Grignou
2008-04-16 12:43                         ` Mark Lord
2008-04-16 12:37                       ` Mark Lord
2008-04-16 12:45                       ` Mark Lord
2008-04-16 15:41                         ` Mark Lord
2008-04-16 22:19                           ` Tejun Heo [this message]

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