Re: [PATCH 06/10] mtd: intel-dg: wake card on operations

[Miquel Raynal <miquel.raynal@bootlin.com>]

>> > That's the part that I'm not sure if I agree. if I remember from some
>> > experiments in the past,
>> > when you call to wake up the child, the parent will wakeup first anyway.
>> > 
>> The child (mtd device) does not exist at this point of time.
>> To create MTD device, the partition table should be provided
>> and it read directly from flash that should be powered to do read.
>
> I don't understand... you have the mtd->dev at this point... this is
> the one you should be touching, not the mtd->dev.parent... even at the
> probe, but moreover on everywhere else as well.
>
>> 
>> > > Considering above, is this move is justified?
>> > > Also, MTD drivers tend to enable parent rpm, not its own one.
>> > 
>> > What other drivers are you looking for reference?
>> 
>> drivers/mtd/nand/raw/tegra_nand.c
>> drivers/mtd/nand/raw/renesas-nand-controller.c
>> drivers/mtd/maps/physmap-core.c
>
> I see they getting pdev->dev... not the parent...

That's three drivers where there is probably room for improvement.

These differences are subtle and likely un-catch during review. Feel
free to correct the drivers if you think they are wrong and more
importantly, do the correct thing in your own.

Thanks,
Miquèl