Fixes the following compile error: drivers/usb/typec/tcpm/fusb302.o: In function `tcpm_get_current_limit': fusb302.c:(.text+0x3ee): undefined reference to `extcon_get_state' fusb302.c:(.text+0x422): undefined reference to `extcon_get_state' fusb302.c:(.text+0x450): undefined reference to `extcon_get_state' fusb302.c:(.text+0x48c): undefined reference to `extcon_get_state' drivers/usb/typec/tcpm/fusb302.o: In function `fusb302_probe': fusb302.c:(.text+0x980): undefined reference to `extcon_get_extcon_dev' make: *** [vmlinux] Error 1 It is because EXTCON is build as a module, but FUSB302 is not. Suggested-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx> --- drivers/usb/typec/tcpm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/typec/tcpm/Kconfig b/drivers/usb/typec/tcpm/Kconfig index 72481bb..5b986d6 100644 --- a/drivers/usb/typec/tcpm/Kconfig +++ b/drivers/usb/typec/tcpm/Kconfig @@ -32,6 +32,7 @@ endif # TYPEC_TCPCI config TYPEC_FUSB302 tristate "Fairchild FUSB302 Type-C chip driver" depends on I2C + depends on EXTCON || !EXTCON help The Fairchild FUSB302 Type-C chip driver that works with Type-C Port Controller Manager to provide USB PD and USB -- 1.7.12.4