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List:       linux-pci
Subject:    Re: [PATCH] pciehp: change wait time for valid configuration access
From:       Jesse Barnes <jbarnes () virtuousgeek ! org>
Date:       2011-07-22 16:09:00
Message-ID: 20110722090900.2cdc8f1f () jbarnes-desktop
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On Mon, 11 Jul 2011 10:15:45 +0900
Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> wrote:

> Jesse,
> 
> Here is the updated patch.
> 
> Regards,
> Kenji Kaneshige
> 
> 
> Naoki Yanagimoto reported that configuration read on some hot-added
> PCIe device returns invalid value. This patch fixes this problem.
> 
> According to the PCIe spec, software must wait for at least 1 second
> to judge if the hot-added device is broken after Data Link Layer State
> Changed Event. This patch changes pciehp driver to wait for 1 second
> after the Data Link Layer State Changed Event is detected before
> initiating a configuration access instead of 100 ms.
> 
> Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
> Tested-by: Naoki Yanagimoto <yanagimoto@np.css.fujitsu.com>
> 

Applied, thanks.

-- 
Jesse Barnes, Intel Open Source Technology Center
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