From: Rob Herring <robh@kernel.org>
To: Johan Hovold <johan+linaro@kernel.org>
Cc: linux-pci@vger.kernel.org,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Konrad Dybcio" <konrad.dybcio@linaro.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Andy Gross" <agross@kernel.org>,
"Bjorn Andersson" <andersson@kernel.org>,
devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>
Subject: Re: [PATCH] dt-bindings: PCI: qcom: Allow 'dma-coherent' property
Date: Mon, 5 Dec 2022 16:25:51 -0600 [thread overview]
Message-ID: <167027915042.2799181.8429355168491802390.robh@kernel.org> (raw)
In-Reply-To: <20221205094530.12883-1-johan+linaro@kernel.org>
On Mon, 05 Dec 2022 10:45:30 +0100, Johan Hovold wrote:
> Devices on some PCIe buses may be cache coherent and must be marked as
> such in the devicetree to avoid data corruption.
>
> This is specifically needed on recent Qualcomm platforms like SC8280XP.
>
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> ---
>
> Lorenzo, the corresponding SC8280XP DT fix is heading for 6.2 so it
> would be nice if this one could be merged for 6.2-rc1 (or -rc2) as well
> to avoid the corresponding DT validation warnings.
>
> Johan
>
>
> Documentation/devicetree/bindings/pci/qcom,pcie.yaml | 2 ++
> 1 file changed, 2 insertions(+)
>
Acked-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2022-12-05 22:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-05 9:45 [PATCH] dt-bindings: PCI: qcom: Allow 'dma-coherent' property Johan Hovold
2022-12-05 22:25 ` Rob Herring [this message]
2022-12-06 10:56 ` Lorenzo Pieralisi
2022-12-06 11:51 ` Johan Hovold
2022-12-06 12:19 ` Lorenzo Pieralisi
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