When (MFD) RZ_MTU3=m and PWM_RZ_MTU3=y, It hits the below error aarch64-linux-gnu-ld: rz-mtu3.c:(.text+0x544): undefined reference to `mfd_remove_devices' Fix this issue by selecting MFD_CORE. Reported-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> Closes: https://lore.kernel.org/linux-pwm/20230718090023.wo6m6ffzaifgctkj@xxxxxxxxxxxxxx/ Suggested-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> --- drivers/mfd/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 99cdeedae0bb..8ff16f42c77e 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1350,6 +1350,7 @@ config MFD_SC27XX_PMIC config RZ_MTU3 tristate "Renesas RZ/G2L MTU3a core driver" depends on (ARCH_RZG2L && OF) || COMPILE_TEST + select MFD_CORE help Select this option to enable Renesas RZ/G2L MTU3a core driver for the Multi-Function Timer Pulse Unit 3 (MTU3a) hardware available -- 2.25.1
