RE: [EXT] Re: [PATCH] i2c: pca954x: Add property to skip disabling PCA954x MUX device

[Biwen Li]

> 
> Hello Biwen,
> 
> > +       /* Errata ID E-00013 on board LS2088ARDB and LS2088ARDB:
> > +        * The point here is that you must not disable a mux if there
> > +        * are no pullups on the input or you mess up the I2C. This
> > +        * needs to be put into the DTS really as the kernel cannot
> > +        * know this otherwise.
> > +        */
> 
> Can you please explain what a "mess up" is?
This is a hardware bug that happened on NXP board LS2085ARDB and LS2088ARDB.
So give a software fix for the hardware bug.
> 
> And also, should we put this new DTS property in related default bindings?
> 
> If not, are you planning a documentation update for the users to notify them
> about this?
I will update bindings document on v2.
> 
> --
> Cengiz Can <cengiz@xxxxxxxxxx>