Re: [PATCH v4 01/11] mtd: core: always create master device

[Richard Weinberger]

----- Ursprüngliche Mail -----
>> > This streamlines device tree and allows to anchor
>> > runtime power management on master device in all cases.
>> 
>> Please explain in more detail why this is needed.
>> If this change makes the overall situation better and breaks
>> no userspace, I'm happy. :-)
>> 
> 
> The rest of the series is a driver that need runtime power management.
> Absence of the master device breaks power management logic,
> as kernel automatically propagates state from children to parent.
> I initially hooked runtime_pm on chip auxiliary device, but this is a hack,
> not a solution.

So, the problem is that mtd partitions don't have a common parent/master like
we have for generic disks?
Please give more details.
We have already a non-optimal situation in mtd and I want to fully understand
the requirements to get it this time right.

Thanks,
//richard