[PATCH 1/2] dt-bindings: PCI: xilinx-cpm: Add compatible string for CPM5 controller-1.

Havalige, Thippeswamy thippeswamy.havalige at amd.com
Fri Sep 6 03:43:33 PDT 2024


Hi Krzysztof

> -----Original Message-----
> From: Krzysztof Kozlowski <krzk at kernel.org>
> Sent: Friday, September 6, 2024 3:26 PM
> To: Havalige, Thippeswamy <thippeswamy.havalige at amd.com>;
> manivannan.sadhasivam at linaro.org; robh at kernel.org; linux-
> pci at vger.kernel.org; bhelgaas at google.com; linux-arm-
> kernel at lists.infradead.org; linux-kernel at vger.kernel.org;
> krzk+dt at kernel.org; conor+dt at kernel.org; devicetree at vger.kernel.org
> Cc: Gogada, Bharat Kumar <bharat.kumar.gogada at amd.com>; Simek,
> Michal <michal.simek at amd.com>; lpieralisi at kernel.org; kw at linux.com
> Subject: Re: [PATCH 1/2] dt-bindings: PCI: xilinx-cpm: Add compatible string
> for CPM5 controller-1.
> 
> On 06/09/2024 11:31, Thippeswamy Havalige wrote:
> > The Xilinx Versal premium series has CPM5 block which supports two
> > typeA Root Port controller functionality at Gen5 speed.
> >
> > Add compatible string to distinguish between two CPM5 rootport
> controller1.
> 
> Subjects NEVER end with full stops.
Thanks, Update in the next patch series.
> >
> > Error interrupt register and bits for both the controllers are at
> > different.
> >
> > Signed-off-by: Thippeswamy Havalige <thippesw at amd.com>
> > ---
> >  Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml
> > b/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml
> > index 989fb0fa2577..b63a759ec2d7 100644
> > --- a/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml
> > +++ b/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml
> > @@ -17,6 +17,7 @@ properties:
> >      enum:
> >        - xlnx,versal-cpm-host-1.00
> >        - xlnx,versal-cpm5-host
> > +      - xlnx,versal-cpm5-host1
> 
> That's poor naming. "-1.00" and now "1". Get your naming reasonable...
Here 1.00 represents the IP versioning and host1 represents controller-1. 
> 
> Best regards,
> Krzysztof



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