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Wed, 09 Sep 2020 22:13:39 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 9 Sep 2020 23:13:37 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 10 Sep 2020 14:13:28 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 10 Sep 2020 14:13:28 +0800 From: Chuanjia Liu To: Bjorn Helgaas , Rob Herring , Lorenzo Pieralisi Subject: [PATCH v5 0/4] Spilt PCIe node to comply with hardware design Date: Thu, 10 Sep 2020 14:11:11 +0800 Message-ID: <20200910061115.909-1-chuanjia.liu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200910_021347_642105_3064E24C X-CRM114-Status: GOOD ( 13.10 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Ryder Lee , Frank Wunderlich , linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, yong.wu@mediatek.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org In current 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 fix MSI issue and comply with the hardware design. change note: v5:rebase for 5.9-rc1, no code change. v4:change commit message due to bayes statistical bogofilter considers this series patch SPAM. v3:rebase for 5.8-rc1. Only collect ack of Ryder, No code change. v2:change the allocation of MT2712 PCIe MMIO space due to the allocation size is not right in v1. Chuanjia Liu (4): dt-bindings: pci: mediatek: Modified the Device tree bindings PCI: mediatek: Use regmap to get shared pcie-cfg base arm64: dts: mediatek: Split PCIe node for MT2712 and MT7622 ARM: dts: mediatek: Modified MT7629 PCIe node .../bindings/pci/mediatek-pcie-cfg.yaml | 38 +++++ .../devicetree/bindings/pci/mediatek-pcie.txt | 144 +++++++++++------- arch/arm/boot/dts/mt7629-rfb.dts | 3 +- arch/arm/boot/dts/mt7629.dtsi | 23 +-- arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 75 +++++---- .../dts/mediatek/mt7622-bananapi-bpi-r64.dts | 16 +- arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 6 +- arch/arm64/boot/dts/mediatek/mt7622.dtsi | 68 ++++++--- drivers/pci/controller/pcie-mediatek.c | 25 ++- 9 files changed, 258 insertions(+), 140 deletions(-) create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek