linux-kernel - Re: [PATCH 1/2] spi: dt-binding: add Microchip CoreQSPI compatible

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Date:   Tue, 2 Aug 2022 14:13:02 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Naga Sureshkumar Relli <nagasuresh.relli@...rochip.com>,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor.dooley@...rochip.com, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] spi: dt-binding: add Microchip CoreQSPI compatible

On Tue, Aug 02, 2022 at 10:52:25AM +0200, Krzysztof Kozlowski wrote:
> On 01/08/2022 11:42, Naga Sureshkumar Relli wrote:

> > -    enum:
> > -      - microchip,mpfs-spi
> > -      - microchip,mpfs-qspi
> > +    oneOf:
> > +      - description: Microchip's Polarfire SoC SPI controller.
> > +        const: microchip,mpfs-spi
> > +      - description: Microchip's Polarfire SoC QSPI controller.

> Useless descriptions - they repeat compatible. Just keep it as enum and
> skip descriptions. What value do they bring?

Someone not familiar with the full Microchip product line might not be
aware of the expansion of mpfs, it's not blindingly obvious.

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