Re: [PATCH v11 1/4] dt-bindings: PCI: mediatek: Update the Device tree bindings

Rob Herring
2021-07-19T22:47:38Z

On Mon, 19 Jul 2021 15:34:53 +0800, Chuanjia Liu wrote:
> There are two independent PCIe controllers in MT2712 and MT7622
> platform. Each of them should contain an independent MSI domain.
>
> In old dts architecture, MSI domain will be inherited from the root
> bridge, and all of the devices will share the same MSI domain.
> Hence that, the PCIe devices will not work properly if the irq number
> which required is more than 32.
>
> Split the PCIe node for MT2712 and MT7622 platform to comply with
> the hardware design and fix MSI issue.
>
> Signed-off-by: Chuanjia Liu <chuanjia.liu@mediatek.com>
> Acked-by: Ryder Lee <ryder.lee@mediatek.com>
> ---
> .../bindings/pci/mediatek-pcie-cfg.yaml | 39 ++++
> .../devicetree/bindings/pci/mediatek-pcie.txt | 206 ++++++++++--------
> 2 files changed, 150 insertions(+), 95 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml
>

Please add Acked-by/Reviewed-by tags when posting new versions. However,
there's no need to repost patches *only* to add the tags. The upstream
maintainer will do that for acks received on the version they apply.

If a tag was not added on purpose, please state why and what changed.