From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: "Kay, Allen M" <allen.m.kay@intel.com>
Cc: "linux-pci-owner@vger.kernel.org"
<linux-pci-owner@vger.kernel.org>,
"Barnes, Jesse" <jesse.barnes@intel.com>,
"Wilcox, Matthew R" <matthew.r.wilcox@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"jean.guyader@eu.citrix.com" <jean.guyader@eu.citrix.com>,
"eric.chanudet@citrix.com" <eric.chanudet@citrix.com>
Subject: Re: [PATCH 1/1][resend] check for pci bar restore completion and retry
Date: Fri, 27 Jan 2012 11:44:16 -0800 [thread overview]
Message-ID: <20120127114416.2621963a@jbarnes-desktop> (raw)
In-Reply-To: <1327602353-30966-1-git-send-email-allen.m.kay@intel.com>
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On Thu, 26 Jan 2012 10:25:53 -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.
Applied, but I don't think I got an answer as to why we don't do this
delay/check when we perform the FLR in the first place?
--
Jesse Barnes, Intel Open Source Technology Center
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next prev parent reply other threads:[~2012-01-27 19:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-26 18:25 Allen Kay
2012-01-27 19:44 ` Jesse Barnes [this message]
2012-02-07 19:49 ` Kay, Allen M
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