Hi Geert, I'm sorry for the slow review, it's a large patch set and takes some time to sit down and review, and see whether my earlier comments have been addressed. On Tue, Feb 18, 2020 at 4:18 PM Geert Uytterhoeven <geert+renesas@xxxxxxxxx> wrote: > Currently GPIOs can only be referred to by GPIO controller and offset in > GPIO lookup tables. > > Add support for looking them up by line name. > Rename gpiod_lookup.chip_label to gpiod_lookup.key, to make it clear > that this field can have two meanings, and update the kerneldoc and > GPIO_LOOKUP*() macros. > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > Reviewed-by: Ulrich Hecht <uli+renesas@xxxxxxxx> > Reviewed-by: Eugeniu Rosca <erosca@xxxxxxxxxxxxxx> > Tested-by: Eugeniu Rosca <erosca@xxxxxxxxxxxxxx> I will try to understand why this change is necessary to implement the gpio aggregator (probablt I will comment that on the other patches like "aha now I see it" or so, but it would help a lot if the commit message would state the technical reason to why we need to do this change, like what it is that you want to do and why you cannot do it without this change. Yours, Linus Walleij