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Message-ID: <7224d38e-9b51-0f81-e113-72f065909ea0@infradead.org>
Date:   Tue, 13 Sep 2022 11:27:08 -0700
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Subject: Re: [PATCH 5/5] platform/x86: dell: Add new dell-wmi-ddv driver
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To:     "Limonciello, Mario" <Mario.Limonciello@amd.com>,
        Armin Wolf <W_Armin@gmx.de>,
        "hdegoede@redhat.com" <hdegoede@redhat.com>,
        "markgross@kernel.org" <markgross@kernel.org>
Cc:     "rafael@kernel.org" <rafael@kernel.org>,
        "lenb@kernel.org" <lenb@kernel.org>,
        "hmh@hmh.eng.br" <hmh@hmh.eng.br>,
        "matan@svgalib.org" <matan@svgalib.org>,
        "corentin.chary@gmail.com" <corentin.chary@gmail.com>,
        "jeremy@system76.com" <jeremy@system76.com>,
        "productdev@system76.com" <productdev@system76.com>,
        "platform-driver-x86@vger.kernel.org" 
        <platform-driver-x86@vger.kernel.org>,
        "linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
References: <20220912125342.7395-1-W_Armin@gmx.de>
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From:   Randy Dunlap <rdunlap@infradead.org>
In-Reply-To: <MN0PR12MB6101CE9055DC152A6E96B2EDE2479@MN0PR12MB6101.namprd12.prod.outlook.com>
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On 9/13/22 09:08, Limonciello, Mario wrote:
> [Public]
> 
> 
> 
>> -----Original Message-----
>> From: Armin Wolf <W_Armin@gmx.de>
>> Sent: Tuesday, September 13, 2022 09:41
>> To: Randy Dunlap <rdunlap@infradead.org>; hdegoede@redhat.com;
>> markgross@kernel.org
>> Cc: rafael@kernel.org; lenb@kernel.org; hmh@hmh.eng.br;
>> matan@svgalib.org; corentin.chary@gmail.com; jeremy@system76.com;
>> productdev@system76.com; platform-driver-x86@vger.kernel.org; linux-
>> acpi@vger.kernel.org; linux-kernel@vger.kernel.org
>> 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