linux-kernel - Re: [PATCH v11 1/4] dt-bindings: PCI: mediatek: Update the Device tree bindings

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Date:   Tue, 20 Jul 2021 10:07:23 +0800
From:   Chuanjia Liu <chuanjia.liu@...iatek.com>
To:     Rob Herring <robh@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>
CC:     <linux-kernel@...r.kernel.org>, <jianjun.wang@...iatek.com>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>, <ryder.lee@...iatek.com>,
        <linux-pci@...r.kernel.org>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        <devicetree@...r.kernel.org>, <yong.wu@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH v11 1/4] dt-bindings: PCI: mediatek: Update the Device
 tree bindings

On Mon, 2021-07-19 at 16:47 -0600, Rob Herring wrote:
> 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@...iatek.com>
> > Acked-by: Ryder Lee <ryder.lee@...iatek.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.
> 
Hi,Rob
I have described in the cover letter:
v11:Rebase for 5.14-rc1 and add "interrupt-names", "linux,pci-domain" 
    description in binding file. No code change.
if you still ok for this, I will add R-b in next version.

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

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