The newly added sec-core mfd module calls the regulator_suspend_prepare() function, which is only available if the regulator API is provided. This matches the usage of the driver, so we can just add a Kconfig dependency. Reported-by: Jim Davis <jim.epost@xxxxxxxxx> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 207c433..1caa3c5 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -582,7 +582,7 @@ config MFD_RC5T583 config MFD_SEC_CORE bool "SAMSUNG Electronics PMIC Series Support" - depends on I2C=y + depends on I2C=y && REGULATOR select MFD_CORE select REGMAP_I2C select REGMAP_IRQ -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html