Re: [PATCH v6 2/9] watchdog: rzg2l_wdt: Make the driver depend on PM

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Hi, Geert,

On 14.02.2024 17:26, Geert Uytterhoeven wrote:
> Hi Claudiu,
> 
> On Fri, Feb 9, 2024 at 1:25 PM claudiu beznea <claudiu.beznea@xxxxxxxxx> wrote:
>> On 08.02.2024 14:53, Geert Uytterhoeven wrote:
>>> On Thu, Feb 8, 2024 at 1:26 PM Claudiu <claudiu.beznea@xxxxxxxxx> wrote:
>>>> From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
>>>>
>>>> The rzg2l_wdt watchdog driver cannot work w/o CONFIG_PM=y (e.g. the
>>>> clocks are enabled though pm_runtime_* specific APIs). To avoid building
>>>> a driver that doesn't work make explicit the dependency on CONFIG_PM.
>>>>
>>>> Suggested-by: Guenter Roeck <linux@xxxxxxxxxxxx>
>>>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
>>>> ---
>>>>
>>>> Changes in v6:
>>>> - update patch description
>>>> - fixed the dependency on COMPILE_TEST previously introduced
>>>
>>> Thanks for the update!
>>>
>>>> --- a/drivers/watchdog/Kconfig
>>>> +++ b/drivers/watchdog/Kconfig
>>>> @@ -911,6 +911,7 @@ config RENESAS_RZN1WDT
>>>>  config RENESAS_RZG2LWDT
>>>>         tristate "Renesas RZ/G2L WDT Watchdog"
>>>>         depends on ARCH_RZG2L || ARCH_R9A09G011 || COMPILE_TEST
>>>> +       depends on PM
>>>
>>> depends on PM || COMPILE_TEST
>>
>> Isn't "depends on PM" enough? As of [1] ("If multiple dependencies are
>> defined, they are connected with '&&'") the above:
>>
>> depends on ARCH_RZG2L || ARCH_R9A09G011 || COMPILE_TEST
>> depends on PM
>>
>> are translated into:
>> depends on (ARCH_RZG2L || ARCH_R9A09G011 || COMPILE_TEST) && PM
>>
>> Please let me know if I'm wrong.
> 
> That is correct.  But you still can compile-test this driver when
> compiling for a different platform, and CONFIG_PM is disabled.

Ok, I see, thank you!

> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 




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