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Fri, 26 Mar 2021 13:17:27 -0700 (PDT) Received: from robh.at.kernel.org ([64.188.179.253]) by smtp.gmail.com with ESMTPSA id 74sm4761952iob.43.2021.03.26.13.17.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 13:17:26 -0700 (PDT) Received: (nullmailer pid 3797288 invoked by uid 1000); Fri, 26 Mar 2021 20:17:24 -0000 Date: Fri, 26 Mar 2021 14:17:24 -0600 From: Rob Herring To: Chuanjia Liu Cc: ryder.lee@mediatek.com, jianjun.wang@mediatek.com, linux-mediatek@lists.infradead.org, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, matthias.bgg@gmail.com, yong.wu@mediatek.com, bhelgaas@google.com, frank-w@public-files.de, linux-pci@vger.kernel.org, lorenzo.pieralisi@arm.com, devicetree@vger.kernel.org Subject: Re: [PATCH v8 1/4] dt-bindings: PCI: mediatek: Update the Device tree bindings Message-ID: <20210326201724.GA3797259@robh.at.kernel.org> References: <20210323033833.14954-1-chuanjia.liu@mediatek.com> <20210323033833.14954-2-chuanjia.liu@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210323033833.14954-2-chuanjia.liu@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210326_201729_269653_607E6629 X-CRM114-Status: GOOD ( 12.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 23 Mar 2021 11:38:30 +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 > Acked-by: Ryder Lee > --- > .../bindings/pci/mediatek-pcie-cfg.yaml | 39 ++++ > .../devicetree/bindings/pci/mediatek-pcie.txt | 201 ++++++++++-------- > 2 files changed, 146 insertions(+), 94 deletions(-) > create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml > Reviewed-by: Rob Herring _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel