From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.kundenserver.de ([212.227.126.130]:57064 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757088AbbA1Uh3 (ORCPT ); Wed, 28 Jan 2015 15:37:29 -0500 From: Arnd Bergmann To: Jonathan Cameron Cc: Srinivas Pandruvada , Gwendal Grignou , linux-arm-kernel@lists.infradead.org, Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald , linux-iio@vger.kernel.org Subject: [PATCH] iio: ak8975: fix AK09911 dependencies Date: Wed, 28 Jan 2015 14:58:44 +0100 Message-ID: <7968545.0Cq9DcaG85@wuerfel> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org ak8975 depends on I2C and GPIOLIB, so any symbols that selects ak8975 must have the same dependency, or we get build errors: drivers/iio/magnetometer/ak8975.c: In function 'ak8975_who_i_am': drivers/iio/magnetometer/ak8975.c:393:2: error: implicit declaration of function 'i2c_smbus_read_i2c_block_data' [-Werror=implicit-function-declaration] ret = i2c_smbus_read_i2c_block_data(client, AK09912_REG_WIA1, ^ drivers/iio/magnetometer/ak8975.c: In function 'ak8975_set_mode': drivers/iio/magnetometer/ak8975.c:431:2: error: implicit declaration of function 'i2c_smbus_write_byte_data' [-Werror=implicit-function-declaration] ret = i2c_smbus_write_byte_data(data->client, Signed-off-by: Arnd Bergmann Fixes: 57e73a423b1e85 ("iio: ak8975: add ak09911 and ak09912 support") --- I found this recent regression doing ARM randconfig builds, please apply diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig index 4c7a4c52dd06..a5d6de72c523 100644 --- a/drivers/iio/magnetometer/Kconfig +++ b/drivers/iio/magnetometer/Kconfig @@ -18,6 +18,8 @@ config AK8975 config AK09911 tristate "Asahi Kasei AK09911 3-axis Compass" + depends on I2C + depends on GPIOLIB select AK8975 help Deprecated: AK09911 is now supported by AK8975 driver.