Re: [PATCH v4 04/10] gpio: regmap: Allow to provide request and free callbacks

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On Sun Feb 16, 2025 at 2:17 PM CET, Sander Vanheule wrote:
> Hi Mathieu,
>
> On Fri, 2025-02-14 at 12:49 +0100, Mathieu Dubois-Briand wrote:
> > Allows to populate the gpio_regmap_config structure with request() and
> > free() callbacks to set on the final gpio_chip structure.
> > 
> > Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@xxxxxxxxxxx>
> > ---
> >  drivers/gpio/gpio-regmap.c  | 2 ++
> >  include/linux/gpio/regmap.h | 7 +++++++
> >  2 files changed, 9 insertions(+)
> > 
> > diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c
> > index 05f8781b5204..ba72c23bcf97 100644
> > --- a/drivers/gpio/gpio-regmap.c
> > +++ b/drivers/gpio/gpio-regmap.c
> > @@ -261,6 +261,8 @@ struct gpio_regmap *gpio_regmap_register(const struct
> > gpio_regmap_config *config
> >  	chip->names = config->names;
> >  	chip->label = config->label ?: dev_name(config->parent);
> >  	chip->can_sleep = regmap_might_sleep(config->regmap);
> > +	chip->request = config->request;
> > +	chip->free = config->free;
> >  
> >  	chip->request = gpiochip_generic_request;
> >  	chip->free = gpiochip_generic_free;
>
> You probably have a bad rebase here, as the chip->{request,free} functions are immediately
> overwritten by gpiochip_generic_{request,free}. Perhaps those can actually be used if you
> provide a pinctrl driver for the MFD.
>

Thanks, indeed I missed this rebase issue. It's fixed now.

-- 
Mathieu Dubois-Briand, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com






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