[PATCH V2 4/4] clk: meson: c3: add c3 clock peripherals controller driver

Stephen Boyd sboyd at kernel.org
Fri Oct 13 15:01:14 PDT 2023


Quoting Jerome Brunet (2023-10-13 00:38:14)
> 
> On Thu 12 Oct 2023 at 16:51, Stephen Boyd <sboyd at kernel.org> wrote:
> 
> > Quoting Xianwei Zhao (2023-10-09 23:29:17)
> >> diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
> >> index 76be4bbd2afb..c8d59d28c8ff 100644
> >> --- a/drivers/clk/meson/Kconfig
> >> +++ b/drivers/clk/meson/Kconfig
> >> @@ -140,6 +140,19 @@ config COMMON_CLK_C3_PLL
> >>           Say Y if you want the board to work, because PLLs are the parent of most
> >>           peripherals.
> >>  
> >> +config COMMON_CLK_C3_PERIPHERALS
> >> +       tristate "Amlogic C3 peripherals clock controller"
> >> +       default y
> >
> > Why are these default y? They should depend on something like ARM64 and
> > even then I don't see why we want to enable them by default if we're
> > building the ARM64 kernel.
> 
> Should indeed depend on ARM64.

Cool.

> 
> Those are the main clock controllers. Like for other AML SoC families,
> they are necessary to boot the device which is why they use 'default y'
> 
> Is it a problem ?
> 
> The whole meson directory depends on ARCH_MESON, so the drivers will go
> away if Amlogic support is removed on ARM64.

No it isn't a problem if the entire section is implicitly depending on
ARCH_MESON.



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