Re: [PATCH v2 0/3] PCIe Capability accessor fixes [stable backports]

From: Adam Lee
Date: Wed Nov 20 2013 - 02:13:37 EST


On Tue, Nov 19, 2013 at 02:35:37PM -0700, Bjorn Helgaas wrote:
> The following patches fix issues reported by Yuval Mintz
> <yuvalmin@xxxxxxxxxxxx> and Myron Stowe <myron.stowe@xxxxxxxxxx>.
>
> These fix pcie_capability_read_dword() and related accessors, which first
> appeared in v3.7. I backported these to v3.10.19 because that appears to
> be the oldest maintained stable kernel that is affected.
>
> These patches replace the ones I posted yesterday at [1], because Myron
> pointed out that an additional patch, "Remove PCIe Capability version
> checks," is needed to fix the issue he found [2].
>
> ---
> Bjorn Helgaas (3):
> PCI: Allow PCIe Capability link-related register access for switches
> PCI: Remove PCIe Capability version checks
> PCI: Support PCIe Capability Slot registers only for ports with slots
>
> drivers/pci/access.c | 19 ++++++++++---------
> 1 file changed, 10 insertions(+), 9 deletions(-)

Fixed a booting hang on some Lenovo laptops.

Tested-by: Adam Lee <adam.lee@xxxxxxxxxxxxx>

--
Adam Lee
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