linux-kernel - Re: [PATCH 2/2] iio: gyro: mpu3050: add I2C dependency

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Message-ID: <351f0000-eeb4-32cf-db81-f5c88b27da19@kernel.org>
Date:   Tue, 8 Nov 2016 20:29:55 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Arnd Bergmann <arnd@...db.de>
Cc:     Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] iio: gyro: mpu3050: add I2C dependency

On 08/11/16 15:40, Linus Walleij wrote:
> On Tue, Nov 8, 2016 at 2:59 PM, Arnd Bergmann <arnd@...db.de> wrote:
> 
>> The new mpu3050 driver fails to build if I2C is disabled:
>>
>> drivers/iio/built-in.o: In function `mpu3050_i2c_driver_exit':
>> mpu3050-i2c.c:(.exit.text+0x17f): undefined reference to `i2c_del_driver'
>> drivers/iio/built-in.o: In function `mpu3050_i2c_driver_init':
>> mpu3050-i2c.c:(.init.text+0x215): undefined reference to `i2c_register_driver'
>>
>> This adds a Kconfig dependency to ensure we only build it when I2C
>> is available.
>>
>> Fixes: 3904b28efb2c ("iio: gyro: Add driver for the MPU-3050 gyroscope")
>> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> 
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
Applied.  Thanks.

Jonathan
> 
> Yours,
> Linus Walleij
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