Re: [PATCH v4 0/5] PCI: Add initial support for handling PCIe M.2 connectors in devicetree

[Manivannan Sadhasivam]

On Tue, Dec 30, 2025 at 10:33:52AM +0100, Niklas Cassel wrote:
> Hello Mani,
> 
> On Sun, Dec 28, 2025 at 10:31:00PM +0530, Manivannan Sadhasivam wrote:
> > The Mechanical Key M connector is used to connect SSDs to the host machine over
> > PCIe/SATA interfaces. Due to the hardware constraints, this series only adds
> > support for driving the PCIe interface of the connector in the kernel.
> 
> Since this series does not add any support for SATA, do we really want to
> modify the SATA device tree binding?
> 
> I know that device tree describes the hardware, but if there is no software
> that makes use of this, the SATA DT binding change feels a bit unnecessary.
> 
> Do we perhaps want to defer modifying the SATA DT binding change until the
> corresponding change in software is added?
> 

I'll defer the question to Rob since he was the one who asked for the SATA
binding change:

https://lore.kernel.org/all/20251208191110.GA2473021-robh@xxxxxxxxxx

- Mani

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