Re: [PATCH 2/2] drivers: misc: add ripple counter driver

Andy Shevchenko
2021-02-28T09:34:47Z

On Sun, Feb 28, 2021 at 11:29 AM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
>
> On Sun, Feb 28, 2021 at 11:07 AM Andy Shevchenko
> <andy.shevchenko@gmail.com> wrote:
> > On Friday, February 26, 2021, Rasmus Villemoes <linux@rasmusvillemoes.dk> wrote:
> >>
> >> The only purpose of this driver is to serve as a consumer of the input
> >> clock, to prevent it from being disabled by clk_disable_unused().
> >
> > We have a clock API to do the same (something like marking it used or so) why do you need a driver?
>
> Example:
> https://elixir.bootlin.com/linux/latest/source/drivers/platform/x86/pmc_atom.c#L365
>
> If it's a DT based platform I think you can make it somehow work thru DT.

Okay, briefly looking at the state of affairs [1] seems like you need
to hack it into clock provider.

[1]: https://elixir.bootlin.com/linux/latest/C/ident/CLK_IS_CRITICAL

--
With Best Regards,
Andy Shevchenko