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@xxxxxxxxxxxx> > Acked-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx> > --- > .../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.
