Re: [PATCH 3/5] pps: clients: gpio: add option to set capture-clear from device-tree

[Rodolfo Giometti]

On 04/07/23 07:07, Farber, Eliav wrote:
> On 6/25/2023 5:21 PM, Eliav Farber wrote:
> > Enable capture clear events if "capture-clear" boolean property exists
> > in device-tree.
> >
> > Signed-off-by: Eliav Farber <farbere@xxxxxxxxxx>
> > ---
> > drivers/pps/clients/pps-gpio.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c
> > index 2f4b11b4dfcd..a61dc1299ce9 100644
> > --- a/drivers/pps/clients/pps-gpio.c
> > +++ b/drivers/pps/clients/pps-gpio.c
> > @@ -112,6 +112,7 @@ static int pps_gpio_setup(struct device *dev)
> >
> >     data->assert_falling_edge =
> >         device_property_read_bool(dev, "assert-falling-edge");
> > +    data->capture_clear = device_property_read_bool(dev, "capture-clear");
>
> Rodolfo, currently data->capture_clear is false by default, and there
> is no way of setting it in the pps-gpio driver.
> How would you suggest setting it?

I think that driver needs a review... in fact, by using gpiod_*() functions we 
should be able to remove both assert_falling_edge and capture_clear flags.

> Will it be OK to setting PPS_WIDTHASSERT by default?

I think they can both be asserted by default. Why should someone may prefer to 
disable one of them?

Ciao,

Rodolfo

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