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Date:   Thu, 10 Aug 2023 11:00:01 -0700
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Subject: Re: [PATCH] Add Silicom Platform Driver
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To:     Huibin Shi <henrys@silicom-usa.com>,
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From:   Guenter Roeck <linux@roeck-us.net>
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On 8/10/23 10:48, Huibin Shi wrote:
> Ilpo,
> 
> See my comments below.
> 
> Thanks.
> Henry
> ----Original Message-----
> From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
> Sent: Thursday, August 3, 2023 8:07 AM
> To: Huibin Shi <henrys@silicom-usa.com>
> Cc: tglx@linutronix.de; mingo@redhat.com; bp@alien8.de; dave.hansen@linux.intel.com; x86@kernel.org; hpa@zytor.com; hdegoede@redhat.com; markgross@kernel.org; jdelvare@suse.com; linux@roeck-us.net; linux-kernel@vger.kernel.org; platform-driver-x86@vger.kernel.org; linux-hwmon@vger.kernel.org; hb_shi2003@yahoo.com; Wen Wang <wenw@silicom-usa.com>
> Subject: RE: [PATCH] Add Silicom Platform Driver
> 
> Caution: This is an external email. Please take care when clicking links or opening attachments.
> 
> 
> On Fri, 28 Jul 2023, Huibin Shi wrote:
> 
>> Ilpo,
>>
>> Thanks for the comments. See my comments below.
>>
>> Updated patch will be sent out later after review comments from other reviewer are addressed.
>>
>> Henry
>> -----Original Message-----
>> From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
>> Sent: Wednesday, July 19, 2023 8:13 AM
>> To: Henry Shi <henryshi2018@gmail.com>
>> Cc: hbshi69@hotmail.com; tglx@linutronix.de; mingo@redhat.com;
>> bp@alien8.de; dave.hansen@linux.intel.com; x86@kernel.org;
>> hpa@zytor.com; hdegoede@redhat.com; markgross@kernel.org;
>> jdelvare@suse.com; linux@roeck-us.net; LKML
>> <linux-kernel@vger.kernel.org>; platform-driver-x86@vger.kernel.org;
>> linux-hwmon@vger.kernel.org; hb_shi2003@yahoo.com; Huibin Shi
>> <henrys@silicom-usa.com>; Wen Wang <wenw@silicom-usa.com>
>> Subject: Re: [PATCH] Add Silicom Platform Driver
>>
>> Caution: This is an external email. Please take care when clicking links or opening attachments.
>>
>>
>> On Tue, 18 Jul 2023, Henry Shi wrote:
>>
>>> The Silicom platform (silicom-platform) Linux driver for Swisscom
>>> Business Box (Swisscom BB) as well as Cordoba family products is a
>>> software solution designed to facilitate the efficient management
>>> and control of devices through the integration of various Linux
>>> frameworks. This platform driver provides seamless support for
>>> device management via the Linux LED framework, GPIO framework,
>>> Hardware Monitoring (HWMON), and device attributes. The Silicom
>>> platform driver's compatibility with these Linux frameworks allows
>>> applications to access and control Cordoba family devices using
>>> existing software that is compatible with these frameworks. This
>>> compatibility simplifies the development process, reduces
>>> dependencies on proprietary solutions, and promotes interoperability
>>> with other Linux-based systems and software.
>>>
>>> Signed-off-by: Henry Shi <henryshi2018@gmail.com>
>>> ---
>>>   drivers/platform/x86/Kconfig            |   12 +
>>>   drivers/platform/x86/Makefile           |    1 +
>>>   drivers/platform/x86/silicom-platform.c | 1123
>>> +++++++++++++++++++++++
>>>   3 files changed, 1136 insertions(+)  create mode 100644
>>> drivers/platform/x86/silicom-platform.c
>>>
> 
>>> +void lock_io_modules(void)
>>> +{
>>> +     mutex_lock(&mec_io_mutex);
>>> +}
>>> +EXPORT_SYMBOL(lock_io_modules);
>>> +
>>> +void unlock_io_modules(void)
>>> +{
>>> +     mutex_unlock(&mec_io_mutex);
>>> +}
>>> +EXPORT_SYMBOL(unlock_io_modules);
> 
> These are unused.
> 
> Henry: This will be used by another Silicom driver, which source code is not pushed to kernel repository.
> 

Not an argument. Export it if and when needed. If that other driver won't be sent
upstream, the export should not be upstream either.

Guenter