Re: [PATCH 5/5] platform/x86: dell: Add new dell-wmi-ddv driver

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On 9/13/22 09:08, Limonciello, Mario wrote:
> [Public]
> 
> 
> 
>> -----Original Message-----
>> From: Armin Wolf <W_Armin@xxxxxx>
>> Sent: Tuesday, September 13, 2022 09:41
>> To: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>; hdegoede@xxxxxxxxxx;
>> markgross@xxxxxxxxxx
>> Cc: rafael@xxxxxxxxxx; lenb@xxxxxxxxxx; hmh@xxxxxxxxxx;
>> matan@xxxxxxxxxxx; corentin.chary@xxxxxxxxx; jeremy@xxxxxxxxxxxx;
>> productdev@xxxxxxxxxxxx; platform-driver-x86@xxxxxxxxxxxxxxx; linux-
>> acpi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
>> Subject: Re: [PATCH 5/5] platform/x86: dell: Add new dell-wmi-ddv driver
>>
>> Am 12.09.22 um 23:56 schrieb Randy Dunlap:
>>
>>> Hi--
>>>
>>> On 9/12/22 05:53, Armin Wolf wrote:
>>>> diff --git a/drivers/platform/x86/dell/Kconfig
>> b/drivers/platform/x86/dell/Kconfig
>>>> index 25421e061c47..209e63e347e2 100644
>>>> --- a/drivers/platform/x86/dell/Kconfig
>>>> +++ b/drivers/platform/x86/dell/Kconfig
>>>> @@ -189,6 +189,19 @@ config DELL_WMI_DESCRIPTOR
>>>>   	default n
>>>>   	depends on ACPI_WMI
>>>>
>>>> +config DELL_WMI_DDV
>>>> +	tristate "Dell WMI sensors Support"
>>>> +	default m
>>> You should (try to) justify default m, otherwise just
>>> don't have a default for it.
>>
>> I have chosen default m since many other Dell platform drivers are being
>> default m. Since this driver is not essential for normal operation,
>> i will drop default m then.
> 
> Actually Dell drivers directory are a bit unique in this regard.  There is a special
> top level boolean.  I would suggest to keep it as is.
> 
> Take a look at:
> menuconfig X86_PLATFORM_DRIVERS_DELL
> 

So all of those "default m" and "default y" drivers are *needed*
as opposed to desirable?

>>
>> Armin Wolf
>>
>>>> +	depends on ACPI_BATTERY
>>>> +	depends on ACPI_WMI
>>>> +	help
>>>> +	  This option adds support for WMI-based sensors like
>>>> +	  battery temperature sensors found on some Dell notebooks.
>>>> +	  It also supports reading of the batteries ePPID.
>>>> +
>>>> +	  To compile this drivers as a module, choose M here: the module will
>>>> +	  be called dell-wmi-ddv.

thanks.
-- 
~Randy



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