Re: [PATCH v8 0/4] gpiolib: speed up GPIO array processing

From: Linus Walleij
Date: Wed Sep 19 2018 - 14:09:26 EST


On Thu, Sep 13, 2018 at 2:22 AM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> On Wed, Sep 5, 2018 at 11:49 PM Janusz Krzysztofik <jmkrzyszt@xxxxxxxxx> wrote:
>
> > The goal is to boost performance of get/set array functions while
> > processing GPIO arrays which represent pins of a signle chip in
> > hardware order. If resulting performance is close to PIO, GPIO API
> > can be used for data I/O without much loss of speed.
>
> I applied the v8 to an immutable branch and pushed to kernelorg
> so the build servers can churn it a bit, and if it works fine
> then we can merge this into the devel branch and also set up
> that as something other subsystems can pull in if they need it.
>
> I'm really excited to merge this!

The branch built with no problems, and now I merged this into
devel. If that also builds fine, I will let it hit linux-next so we can
stabilize it for v4.20.

Yours,
Linus Walleij