Re: [PATCH v2] gpio: gpio-pca953x, Add get_multiple function

[Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>]

czw., 16 kwi 2020 o 13:22 Linus Walleij <linus.walleij@xxxxxxxxxx> napisał(a):
>
> On Tue, Apr 14, 2020 at 5:30 PM Paul Thomas <pthomas8589@xxxxxxxxx> wrote:
>
> > Implement a get_multiple function for gpio-pca953x. If a driver
> > leaves get_multiple unimplemented then gpio_chip_get_multiple()
> > in gpiolib.c takes care of it by calling chip->get() as needed.
> > For i2c chips this is very inefficient. For example if you do an
> > 8-bit read then instead of a single i2c transaction there are
> > 8 transactions reading the same byte!
> >
> > This has been tested with max7312 chips on a 5.2 kernel.
> >
> > Signed-off-by: Paul Thomas <pthomas8589@xxxxxxxxx>
> > ---
> >  changes from v1: rebased to 5.7-rc1
>
> Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
>
> Since I know Bartosz is queueing other patches for this driver I
> let him pick it up.
>
> Yours,
> Linus Walleij

Patch applied. I removed the last line of the commit message since I
guess you did test it on v5.7-rc1 after all?

Bart