linux-kernel - Re: [PATCH] platform/x86: silead depends on I2C being built-in

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Date:   Thu, 2 Feb 2017 17:01:08 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] platform/x86: silead depends on I2C being built-in

On Thu, Feb 2, 2017 at 4:45 PM, Hans de Goede <hdegoede@...hat.com> wrote:
> Hi,
>
> On 02-02-17 15:25, Arnd Bergmann wrote:
>>
>> The new driver cannot be a loadable module, so if I2C is loadable, we get
>> this
>> link error:
>>
>> drivers/platform/built-in.o: In function `silead_ts_dmi_init':
>> silead_dmi.c:(.init.text+0x2ef): undefined reference to `i2c_bus_type'
>>
>> This makes the Kconfig dependency stricter to require I2C=y.
>>
>> Fixes: 9eeda3897a85 ("platform/x86: add support for devices with Silead
>> touchscreens")
>> Signed-off-by: Arnd Bergmann <arnd@...db.de>
>
>
> Thank you.
>
> Acked-by: Hans de Goede <hdegoede@...hat.com>

I'm a bit confused now:

http://www.spinics.net/lists/platform-driver-x86/msg10408.html

Please, clarify.

>
> Regards.
>
> Hans
>
>
>
>> ---
>>  drivers/platform/x86/Kconfig | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
>> index dd4952ac8797..a7fe9b9f975d 100644
>> --- a/drivers/platform/x86/Kconfig
>> +++ b/drivers/platform/x86/Kconfig
>> @@ -1079,7 +1079,7 @@ config INTEL_TURBO_MAX_3
>>
>>  config SILEAD_DMI
>>         bool "Tablets with Silead touchscreens"
>> -       depends on ACPI && DMI && I2C && INPUT
>> +       depends on ACPI && DMI && I2C=y && INPUT
>>         ---help---
>>           Certain ACPI based tablets with Silead touchscreens do not have
>>           enough data in ACPI tables for the touchscreen driver to handle
>>
>



-- 
With Best Regards,
Andy Shevchenko