Messages in this thread | | | Subject | Re: [PATCH] i2c: pca954x: Add property to skip disabling PCA954x MUX device | From | Cengiz Can <> | Date | Sun, 29 Sep 2019 14:07:19 +0300 |
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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?
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?
-- Cengiz Can <cengiz@kernel.wtf>
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