power supply gating with ltc2978

[atull]

Hello,

I am interested in adding functionality to be able to gate power supplies 
going through a ltc2978.  I see that there is a hwmon driver already 
existing (hwmon/pmbus/ltc2978.c).  I see some of the other hwmon drivers 
have MFD's.  It looks like this ltc driver would need a MFD and a 
regulator driver added.  However I don't see other pmbus hwmon drivers
using MFD.

So I am asking for recommendations and reservations on how to proceed here 
before I get too far with this.

Thanks,
Alan Tull

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