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

From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Bjorn Helgaas <helgaas@kernel.org>,
	Johan Hovold <johan+linaro@kernel.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: "Bjorn Helgaas" <bhelgaas@google.com>,
	"Bjorn Andersson" <andersson@kernel.org>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 00/12] arm64: dts: qcom: sc8280xp: PCIe fixes and GICv3 ITS enable
Date: Thu, 29 Feb 2024 00:30:03 +0100	[thread overview]
Message-ID: <ada6c2ac-06ad-44bc-8d1e-e59ccf8ac551@linaro.org> (raw)
In-Reply-To: <20240228220843.GA309344@bhelgaas>

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
>> implementation.
>> ...
> 
>> 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
> v6.9.

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.

Konrad