MFD_AS3722 can only be builtin, so it needs I2C builtin as well. With I2C=m, we get:
drivers/mfd/as3722.c:372: undefined reference to `devm_regmap_init_i2c' drivers/built-in.o: In function `as3722_i2c_driver_init': drivers/mfd/as3722.c:444: undefined reference to `i2c_register_driver' drivers/built-in.o: In function `as3722_i2c_driver_exit': drivers/mfd/as3722.c:444: undefined reference to `i2c_del_driver' Signed-off-by: Michal Marek <mma...@suse.cz> --- drivers/mfd/Kconfig | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 62a60ca..dd67158 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -32,7 +32,7 @@ config MFD_AS3722 select MFD_CORE select REGMAP_I2C select REGMAP_IRQ - depends on I2C && OF + depends on I2C=y && OF help The ams AS3722 is a compact system PMU suitable for mobile phones, tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down -- 1.7.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/