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

Xianwei Zhao xianwei.zhao at amlogic.com
Sun Oct 15 23:49:48 PDT 2023


Hi Stephen & Jerome,
        Thanks for your reply.

On 2023/10/14 06:01, Stephen Boyd wrote:
> [ EXTERNAL EMAIL ]
> 
> 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. >
Will add depend on ARM64  in next version.
>>
>> 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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