> Am 01.12.2020 um 17:20 schrieb Mark Brown <broo...@kernel.org>: > > On Tue, Dec 01, 2020 at 03:20:12PM +0100, Linus Walleij wrote: > >> The reason why I shoot in the dark to convert all SPI >> drivers to use GPIO descriptors instead of the global >> GPIO numberspace is detailed in drivers/gpio/TODO >> so I will not repeat it here. > >> I don't know if much can be done about it other than >> having better programmers than me at the task. Or >> less tired when they write the patch. etc. > > I think the problem here is more to do with where we started than where > we're going or how we got there - things have been glued together or > happened to work in ways that mean I'm not sure we reasonably understand > the situation we started from or all the requirements it has. As you > say I'm not sure anything beyond throwing the API away and starting > afresh would really help here, but that's not really how we tend to do > things for a bunch of very good reasons.
I think the key problem is GPIO_ACTIVE_HIGH 0 and GPIO_ACTIVE_LOW 1 in device tree blobs. But that is so fundamental that we have to live with it. So I guess that even a new API from scratch wouldn't improve that.
