MTF_CORE should be enabled when driver is enabled. Without this patch you can configure: CONFIG_MFD_CORE is not set CONFIG_MFD_TPS65086=y
which ends up with compilation error: drivers/mfd/tps65086.o: In function `tps65086_probe': drivers/mfd/tps65086.c:110: undefined reference to `mfd_add_devices' drivers/mfd/tps65086.c:110:(.text+0x128): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `mfd_add_devices' Signed-off-by: Michal Simek <michal.si...@xilinx.com> --- Changes in v2: - Update commit message based on discussion with Lee Jones drivers/mfd/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 94ad2c1c3d90..f98b5a6d4da8 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1294,6 +1294,7 @@ config TPS6507X config MFD_TPS65086 tristate "TI TPS65086 Power Management Integrated Chips (PMICs)" + select MFD_CORE select REGMAP select REGMAP_IRQ select REGMAP_I2C -- 1.9.1