Re: [PATCH V2] gpio: brcmstb: support gpio-line-names property

[Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>]

śr., 11 mar 2020 o 20:03 Doug Berger <opendmb@xxxxxxxxx> napisał(a):
>
> The label names are viewed as a convenience for the user and are not
> necessary for the proper functionality of the driver and device, so we
> don't want to prevent the driver from succeeding at probe due to an
> error in the gpio-line-names property. The bank->gc.names member is
> still made non-NULL which is what we really care about to prevent the
> misapplication of label names by devprop_gpiochip_set_names().
>
> In fact, it is expected that the device-tree will only include label
> strings up to the last GPIO of interest so the ENODATA error is
> considered a valid result to terminate any further labeling so there is
> no need for an error message in that case.
>
> Other error results are unexpected so an error message indicating the
> consequence of the error is appropriate here.
>
> I'm not sure which aspect is confusing to you, so it's not clear to me
> how best to comment the code. I can hazard a guess, but if you have a
> suggestion I'm happy to submit a v3.
>
> Thanks for taking the time to review this,
>     Doug

No it's fine, thank you for the explanation.

Bartosz