On Sun, Feb 28, 2021 at 11:29 AM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > > On Sun, Feb 28, 2021 at 11:07 AM Andy Shevchenko > <andy.shevchenko@xxxxxxxxx> wrote: > > On Friday, February 26, 2021, Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> 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