Re: [PATCH v2 5/6] gpio: dwapb: Add debounce reference clock support

From: Sergey Semin
Date: Mon Mar 23 2020 - 15:26:27 EST


On Mon, Mar 23, 2020 at 08:38:37PM +0200, Andy Shevchenko wrote:
> On Mon, Mar 23, 2020 at 09:06:31PM +0300, Sergey.Semin@xxxxxxxxxxxxxxxxxxxx wrote:
> > From: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
> >
> > Aside from the APB reference clock DW GPIO controller can have a
> > dedicated clock connected to setup a debounce time interval for
> > GPIO-based IRQs. Since this functionality is optional the corresponding
> > clock source is also optional. Due to this lets handle the debounce
> > clock in the same way as it has been developed for the APB reference
> > clock, but using the bulk request/enable-disable methods.
>
> > + if (err) {
> > + dev_err(gpio->dev, "Cannot reenable APB/Debounce clocks\n");
> > + return err;
> > + }
>
> Yeah, this should be a separate change.
>

Linus didn't think it was necessary in v1.

> Otherwise looks good.
>
> Also, did I miss the documentation update (bindings)?
>

No, it's there: https://www.spinics.net/lists/devicetree/msg342655.html
You just haven't been in Cc there.

-Sergey

> --
> With Best Regards,
> Andy Shevchenko
>
>