linux-kernel - Re: [PATCH v11 0/4] PCI: mediatek: Spilt PCIe node to comply with hardware design

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Date:   Sun, 8 Aug 2021 04:50:56 +0000
From:   Chuanjia Liu (柳传嘉) 
        <Chuanjia.Liu@...iatek.com>
To:     "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Chuanjia Liu (柳传嘉) 
        <Chuanjia.Liu@...iatek.com>,
        "frank-w@...lic-files.de" <frank-w@...lic-files.de>,
        Yong Wu (吴勇) <Yong.Wu@...iatek.com>,
        Jianjun Wang (王建军) 
        <Jianjun.Wang@...iatek.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        Ryder Lee (李庚諺) <Ryder.Lee@...iatek.com>
Subject: Re: [PATCH v11 0/4] PCI: mediatek: Spilt PCIe node to comply with
 hardware design

On Fri, 2021-08-06 at 10:39 +0100, Lorenzo Pieralisi wrote:
> On Mon, 19 Jul 2021 15:34:52 +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.
> > 
> > [...]
> 
> Applied patches 1-2 to pci/mediatek (we don't merge dts changes),
> thanks!
> 
> [1/2] dt-bindings: PCI: mediatek: Update the Device tree bindings
>       https://git.kernel.org/lpieralisi/pci/c/9c23251640
> [2/2] PCI: mediatek: Add new method to get shared pcie-cfg base
> address and parse node
>       https://git.kernel.org/lpieralisi/pci/c/302e503e08
> 
> Thanks,
> Lorenzo

Hi, matthias
Could you help apply dts changes(patch 3-4)?
Lorenzo helped to apply the driver part, and dts part
hopes to apply together.

Best Regards

> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek

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