[PATCH 2/4] arm64: dts: imx8ulp: remove "fsl,imx7ulp-lpuart" compatible for i.MX8ULP

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Sun Jun 25 03:13:45 PDT 2023


On 25/06/2023 11:48, Sherry Sun wrote:
> i.MX8ULP has specific "fsl,imx8ulp-lpuart" compatible in lpuart driver,
> "fsl,imx7ulp-lpuart" compatible is no longer needed, and i.MX8ULP is not
> fully compatible with i.MX7ULP, for example, i.MX8ulp can support
> EOP(end-of-packet) function while i.MX7ulp doesn't, so remove
> "fsl,imx7ulp-lpuart" compatible.

That's not how compatibility works. Your commit msg says that new device
comes with new features, but your code says they are incompatible. These
are two different things.

Either drop the patch or provide correct rationale.

Best regards,
Krzysztof




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