From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Myron Stowe <myron.stowe@redhat.com>
Cc: linux-pci@vger.kernel.org, bhelgaas@google.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH -v2 1/3] PCI: Fix starting basis for resource requests
Date: Fri, 27 Jan 2012 09:15:33 -0800 [thread overview]
Message-ID: <20120127091533.52ada529@jbarnes-desktop> (raw)
In-Reply-To: <20111121185407.9603.70264.stgit@amt.stowe>
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On Mon, 21 Nov 2011 11:54:07 -0700
Myron Stowe <myron.stowe@redhat.com> wrote:
> From: Myron Stowe <mstowe@redhat.com>
>
> pci_revert_fw_address() is used to reinstate a PCI device's original
> FW-assigned BIOS BAR value(s) if normal resource assignment fails.
>
> When attempting to reinstate an address, the point within the resource
> tree from which to attempt the new resource request should be the parent
> resource corresponding to the device, not the base of the resource tree
> (ioport_resource or iomem_resource). For PCI devices this would
> typically be the resource corresponding to the upstream PCI host bridge
> or P2P bridge aperture.
>
> This patch sets the point within the resource tree to attempt a new
> resource assignment request to the PCI device's parent resource and only
> if that fails does it fall back to the base ioport_resource or
> iomem_resource.
>
> Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
> ---
Applied these 3 to my -next branch, thanks for your patience Myron.
--
Jesse Barnes, Intel Open Source Technology Center
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next prev parent reply other threads:[~2012-01-27 17:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-21 18:54 [PATCH -v2 0/3] PCI: Convert maintaining FW-assigned BIOS BAR values to a list of temporary entries Myron Stowe
2011-11-21 18:54 ` [PATCH -v2 1/3] PCI: Fix starting basis for resource requests Myron Stowe
2012-01-27 17:15 ` Jesse Barnes [this message]
2011-11-21 18:54 ` [PATCH -v2 2/3] x86/PCI: Infrastructure to maintain a list of FW-assigned BIOS BAR values Myron Stowe
2011-11-21 18:54 ` [PATCH -v2 3/3] x86/PCI: Convert maintaining FW-assigned BIOS BAR values to use a list Myron Stowe
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