Re: [PATCH v2 00/12] arm64: dts: qcom: sc8280xp: PCIe fixes and GICv3 ITS enable

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On 2/28/24 23:08, Bjorn Helgaas wrote:
[+to Mani]

On Fri, Feb 23, 2024 at 04:21:12PM +0100, Johan Hovold wrote:
This series addresses a few problems with the sc8280xp PCIe

A recent commit enabling ASPM on certain Qualcomm platforms introduced
further errors when using the Wi-Fi on the X13s as well as when
accessing the NVMe on the CRD. The exact reason for this has not yet
been identified, but disabling ASPM L0s makes the errors go away. This
could suggest that either the current ASPM implementation is incomplete
or that L0s is not supported with these devices.

As this series fixes a regression in 6.7 (which enabled ASPM) and fixes
a user-reported problem with the Wi-Fi often not starting at boot, I
think we should merge this series for the 6.8 cycle. The final patch
enabling the GIC ITS should wait for 6.9.

The DT bindings and PCI patch are expected to go through the PCI tree,
while Bjorn A takes the devicetree updates through the Qualcomm tree.

Johan Hovold (12):
   dt-bindings: PCI: qcom: Allow 'required-opps'
   dt-bindings: PCI: qcom: Do not require 'msi-map-mask'
   dt-bindings: PCI: qcom: Allow 'aspm-no-l0s'
   PCI: qcom: Add support for disabling ASPM L0s in devicetree

The ASPM patches fix a v6.7 regression, so it would be good to fix
that in v6.8.

Mani, if you are OK with them, I can add them to for-linus for v6.8.

What about the 'required-opps' and 'msi-map-mask' patches?  If they're
important, I can merge them for v6.8, too, but it's late in the cycle
and it's not clear from the commit logs why they shouldn't wait for

Either way, I believe they should go through the qcom tree, as it's
a very hot one with lots of different changes to a given file.

Unless the soc-late window is already closed... Bjorn A will know.


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