linux-kernel - Re: [PATCH v2] i2c: Allow ACPI_I2C_OPREGION if I2C is built as a module

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Message-ID: <bb50db91-f37a-46da-138d-826237ac69f7@redhat.com>
Date:   Wed, 24 Jan 2018 17:09:22 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Sinan Kaya <okaya@...eaurora.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Eric Auger <eric.auger@...hat.com>, eric.auger.pro@...il.com,
        linux-i2c <linux-i2c@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: [PATCH v2] i2c: Allow ACPI_I2C_OPREGION if I2C is built as a
 module

Hi,

On 24-01-18 16:37, Sinan Kaya wrote:
> On 1/24/2018 10:23 AM, Hans de Goede wrote:
>>> There must be a middle ground somewhere.
>>
>> One thing which comes to mind is to simply not allow building i2c as a module
>> when ACPI is selected, something like this should work I think:
>>
>>   config I2C
>>           tristate "I2C support"
>>           select RT_MUTEXES
>>           select IRQ_DOMAIN
>> +        # force building I2C in on ACPI systems, for opregion availability
>> +        depends on y || !ACPI
> 
> This works for me.

OK, so feel free to turn it into a proper patch and submit it
upstream.

Regards,

Hans