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SubjectRe: [PATCH] platform/x86: silead depends on I2C being built-in
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Hi,

On 02-02-17 16:01, Andy Shevchenko wrote:
> On Thu, Feb 2, 2017 at 4:45 PM, Hans de Goede <hdegoede@redhat.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@arndb.de>
>>
>>
>> Thank you.
>>
>> Acked-by: Hans de Goede <hdegoede@redhat.com>
>
> I'm a bit confused now:
>
> http://www.spinics.net/lists/platform-driver-x86/msg10408.html
>
> Please, clarify.

The depends on INPUT is not entirely wrong, the module does not
need it, but without the SILEAD driver being build the silead_dmi
code is of no use. Since multiple people already reported this
I thought it would be best to just go ahead with Arnd's version.

Regards,

Hans


>
>>
>> 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
>>>
>>
>
>
>

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