On 15.07.2021 19:49:42, Dong Aisheng wrote:
> > > Then should it be "fsl,imx8mp-flexcan", "fsl,imx8qxp-flexcan" rather than only
> > > drop "fsl,imx6q-flexcan"?
> >
> > No, I will only use " fsl,imx8mp-flexcan" to avoid ECC impact.
> >
> 
> Is ECC issue SW or HW compatibility issue?
> If SW, then we should keep the backward compatible string as DT is
> describing HW.

The commit messages describes the needed initialization for devices
supporting ECC:

https://lore.kernel.org/linux-can/20200929211557.14153-2-qiangqing.zhang@nxp.com/

Marc

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