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    SubjectRe: [PATCH -v2 0/7] PCI: pcie hotplug related patch
    On Thu, Feb 2, 2012 at 2:00 AM, Kenji Kaneshige
    <> wrote:
    > Yinghai, Jesse,
    > I tested pciehp with your set of patches. I have some comments below.
    > (1) I got a following warning message on compiling the patch [5/7].
    >    drivers/pci/hotplug/pciehp_hpc.c:281: warning:
    > 'pcie_wait_link_not_active' defined but not used
    > (2) I got following warning messages on compiling the patch [6/7]
    >    drivers/pci/hotplug/pciehp_hpc.c:381: warning: 'pciehp_link_enable'
    > defined but not used
    >    drivers/pci/hotplug/pciehp_hpc.c:386: warning: 'pciehp_link_disable'
    > defined but not used
    > (3) I've asked Naoki Yanagimoto, who reported that configuration read
    >    on some hot-added PCIe device returns invalid value, to test the
    >    patch. Unfortunately, the problem happens with your patch. But
    >    after some discussion and testing, it turned out that problem doesn't
    >    happen when the same card with updated bios is used. So it seems the
    >    problem is in PCIe card side.
    > As a result, problems I found are (1) and (2). Please fix those.
    > Other than that, pciehp seems to work well.
    > Tested-by: Kenji Kaneshige <>

    Great. thanks for confirmation.

    for (1) and (2), patch 5, and 6 will add some helper functions and
    they will be used by patch 7.

    so when patch 7 is applied, there will be no compiling warning anymore.


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