From: Rob Herring <robh@kernel.org>
To: Chuanjia Liu <chuanjia.liu@mediatek.com>
Cc: linux-kernel@vger.kernel.org, lorenzo.pieralisi@arm.com,
jianjun.wang@mediatek.com, linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, bhelgaas@google.com,
ryder.lee@mediatek.com, robh+dt@kernel.org,
matthias.bgg@gmail.com, linux-pci@vger.kernel.org,
Frank Wunderlich <frank-w@public-files.de>,
devicetree@vger.kernel.org, yong.wu@mediatek.com
Subject: Re: [PATCH v11 1/4] dt-bindings: PCI: mediatek: Update the Device tree bindings
Date: Mon, 19 Jul 2021 16:47:18 -0600 [thread overview]
Message-ID: <20210719224718.GA2766057@robh.at.kernel.org> (raw)
In-Reply-To: <20210719073456.28666-2-chuanjia.liu@mediatek.com>
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.
next prev parent reply other threads:[~2021-07-20 0:18 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-19 7:34 [PATCH v11 0/4] PCI: mediatek: Spilt PCIe node to comply with hardware design Chuanjia Liu
2021-07-19 7:34 ` [PATCH v11 1/4] dt-bindings: PCI: mediatek: Update the Device tree bindings Chuanjia Liu
2021-07-19 22:47 ` Rob Herring [this message]
2021-07-20 2:07 ` Chuanjia Liu
2021-07-20 16:26 ` Rob Herring
2021-07-23 7:17 ` Chuanjia Liu
2021-07-19 7:34 ` [PATCH v11 2/4] PCI: mediatek: Add new method to get shared pcie-cfg base address and parse node Chuanjia Liu
2021-07-20 2:59 ` Chuanjia Liu
2021-08-03 22:18 ` Rob Herring
2021-08-06 7:37 ` Chuanjia Liu (柳传嘉)
2021-08-02 7:07 ` Chuanjia Liu
2021-08-10 19:42 ` Bjorn Helgaas
2021-08-13 15:22 ` Lorenzo Pieralisi
2021-08-17 11:18 ` Chuanjia Liu (柳传嘉)
2021-07-19 7:34 ` [PATCH v11 3/4] arm64: dts: mediatek: Split PCIe node for MT2712 and MT7622 Chuanjia Liu
2021-07-19 7:34 ` [PATCH v11 4/4] ARM: dts: mediatek: Update MT7629 PCIe node for new format Chuanjia Liu
2021-08-06 9:39 ` [PATCH v11 0/4] PCI: mediatek: Spilt PCIe node to comply with hardware design Lorenzo Pieralisi
2021-08-08 4:50 ` Chuanjia Liu (柳传嘉)
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