From: Jesse Barnes <jesse.barnes@intel.com>
To: "Kay, Allen M" <allen.m.kay@intel.com>
Cc: "linux-pci-owner@vger.kernel.org"
<linux-pci-owner@vger.kernel.org>,
"matt.wilcox@intel.com" <matt.wilcox@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"jean.guyader@eu.citrix.com" <jean.guyader@eu.citrix.com>
Subject: Re: [RFC][PATCH 1/1] check for pci bar restore completion and retry
Date: Tue, 24 Jan 2012 08:36:59 -0800 [thread overview]
Message-ID: <20120124083659.0e2302b1@jbarnes-desktop> (raw)
In-Reply-To: <1327362955-4137-1-git-send-email-allen.m.kay@intel.com>
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On Mon, 23 Jan 2012 15:55:55 -0800
"Kay, Allen M" <allen.m.kay@intel.com> wrote:
> On some OEM systems, pci_restore_state() is called while FLR has not yet
> completed. As a result, PCI BAR register restore is not successful. This fix
> reads back the restored value and compares it with saved value and re-tries
> 10 times before giving up.
But shouldn't we be doing this wait in the FLR code instead?
--
Jesse Barnes, Intel Open Source Technology Center
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prev parent reply other threads:[~2012-01-24 16:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-23 23:55 [RFC][PATCH 1/1] check for pci bar restore completion and retry Allen Kay
2012-01-24 16:36 ` Jesse Barnes [this message]
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