Re: [PATCH v2 2/2] pinctrl: Propagate firmware node from a parent device

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On Tue, Dec 14, 2021 at 02:58:55PM +0200, Andy Shevchenko wrote:
> When creating MFD platform devices the firmware node is left unset.
> This, in particular, prevents GPIO library to use it for different
> purposes. Propagate firmware node from the parent device and let
> GPIO library do the right thing.
> 

I came across the same thing this week. By populating the of_compatible
field of the mfd_cell, the child device will have the appropriate
firmware node populated. Unfortunately that currently means that I'll
have to put every device type in the MFD instead of in an of_match_table
in the child driver itself. Figuring that out is one of the next things
on my list. 



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