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Date: Fri, 18 May 2012 10:54:36 -0700
Message-ID: <CAE9FiQUebVR_AdhQVE_Hq-RhB7h5AfH0Z20WaZh=ky5vHEt5BQ@mail.gmail.com>
Subject: Re: [PATCH 05/21] resource: adjust_resource handle resource without parent
From: Yinghai Lu <yinghai@kernel.org>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Tony Luck <tony.luck@intel.com>, David Miller <davem@davemloft.net>,
        x86 <x86@kernel.org>, Dominik Brodowski <linux@dominikbrodowski.net>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arch@vger.kernel.org
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On Fri, May 18, 2012 at 10:12 AM, Bjorn Helgaas <bhelgaas@google.com> wrote:
> On Mon, May 7, 2012 at 2:29 PM, Yinghai Lu <yinghai@kernel.org> wrote:

> Where does this case occur? ?When do you need to adjust a resource
> that has no parent?

for unassigned pci bridge from BIOS, before scan busn_res.end is 0xff,
so you can not insert them, because the bridge could in the middle.
Have to update the busn_res.end and insert after the bridge is scanned

Yinghai
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