Fix build errors when CONFIG_TYPEC_QCOM_PMIC=y and CONFIG_USB_ROLE_SWITCH=m by limiting the former to =m when USB_ROLE_SWITCH also =m. powerpc64-linux-ld: drivers/usb/typec/qcom-pmic-typec.o: in function `.qcom_pmic_typec_remove': qcom-pmic-typec.c:(.text+0x28): undefined reference to `.usb_role_switch_set_role' powerpc64-linux-ld: qcom-pmic-typec.c:(.text+0x64): undefined reference to `.usb_role_switch_put' powerpc64-linux-ld: drivers/usb/typec/qcom-pmic-typec.o: in function `.qcom_pmic_typec_check_connection': qcom-pmic-typec.c:(.text+0x120): undefined reference to `.usb_role_switch_set_role' powerpc64-linux-ld: drivers/usb/typec/qcom-pmic-typec.o: in function `.qcom_pmic_typec_probe': qcom-pmic-typec.c:(.text+0x360): undefined reference to `.fwnode_usb_role_switch_get' powerpc64-linux-ld: qcom-pmic-typec.c:(.text+0x4e4): undefined reference to `.usb_role_switch_put' Fixes: 6c8cf3695176 ("usb: typec: Add QCOM PMIC typec detection driver") Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> Cc: linux-usb@xxxxxxxxxxxxxxx Cc: Wesley Cheng <wcheng@xxxxxxxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/typec/Kconfig | 1 + 1 file changed, 1 insertion(+) --- linux-next-20201113.orig/drivers/usb/typec/Kconfig +++ linux-next-20201113/drivers/usb/typec/Kconfig @@ -88,6 +88,7 @@ config TYPEC_STUSB160X config TYPEC_QCOM_PMIC tristate "Qualcomm PMIC USB Type-C driver" depends on ARCH_QCOM || COMPILE_TEST + depends on USB_ROLE_SWITCH || !USB_ROLE_SWITCH help Driver for supporting role switch over the Qualcomm PMIC. This will handle the USB Type-C role and orientation detection reported by the