On Wed, Jul 15, 2020 at 01:09:12PM +0300, Grygorii Strashko wrote:
>
>
> On 10/07/2020 01:34, Drew Fustini wrote:
> > Modify omap_gpio_set_config() to handle pin config bias flags by calling
> > gpiochip_generic_config().
> >
> > The pin group for the gpio line must have the corresponding pinconf
> > properties:
> >
> > PIN_CONFIG_BIAS_PULL_UP requires "pinctrl-single,bias-pullup"
> > PIN_CONFIG_BIAS_PULL_DOWN requires "pinctrl-single,bias-pulldown"
> >
> > This is necessary for pcs_pinconf_set() to find the requested bias
> > parameter in the PIN_MAP_TYPE_CONFIGS_GROUP pinctrl map.
> >
> > Signed-off-by: Drew Fustini <drew@xxxxxxxxxxxxxxx>
> > ---
> > drivers/gpio/gpio-omap.c | 21 +++++++++++++++++----
> > 1 file changed, 17 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
> > index b8e2ecc3eade..a471a152f318 100644
> > --- a/drivers/gpio/gpio-omap.c
> > +++ b/drivers/gpio/gpio-omap.c
> > @@ -896,12 +896,25 @@ static int omap_gpio_set_config(struct gpio_chip *chip, unsigned offset,
> > unsigned long config)
> > {
> > u32 debounce;
> > + int ret;
>
> ret = -ENOTSUPP;
>
> > - if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
> > - return -ENOTSUPP;
> > + if ((pinconf_to_config_param(config) == PIN_CONFIG_BIAS_DISABLE) ||
> > + (pinconf_to_config_param(config) == PIN_CONFIG_BIAS_PULL_UP) ||
> > + (pinconf_to_config_param(config) == PIN_CONFIG_BIAS_PULL_DOWN))
> > + {
> > + ret = gpiochip_generic_config(chip, offset, config);
> > + }
> > + else if (pinconf_to_config_param(config) == PIN_CONFIG_INPUT_DEBOUNCE)
> > + {
> > + debounce = pinconf_to_config_argument(config);
> > + ret = omap_gpio_debounce(chip, offset, debounce);
> > + }
> > + else
> > + {
> > + ret = -ENOTSUPP;
> > + }
>
> drop above "else"?
>
> > - debounce = pinconf_to_config_argument(config);
> > - return omap_gpio_debounce(chip, offset, debounce);
> > + return ret;
> > }
> > static void omap_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
> >
>
> Minor comment, Otherwise:
> Acked-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
>
> --
> Best regards,
> grygorii
Thanks for reviewing. I'll post a new version with the return value
improvement per your suggestion.
-Drew
