On Wed, Oct 09, 2019 at 09:47:07AM +0800, Mao Wenan wrote: > If CONFIG_TYPEC_HD3SS3220=y, CONFIG_USB_ROLE_SWITCH=m, below errors > can be found: > drivers/usb/typec/hd3ss3220.o: In function `hd3ss3220_remove': > hd3ss3220.c:(.text+0x64): undefined reference to `usb_role_switch_put' > drivers/usb/typec/hd3ss3220.o: In function `hd3ss3220_dr_set': > hd3ss3220.c:(.text+0x154): undefined reference to `usb_role_switch_set_role' > drivers/usb/typec/hd3ss3220.o: In function `hd3ss3220_set_role': > hd3ss3220.c:(.text+0x294): undefined reference to `usb_role_switch_set_role' > hd3ss3220.c:(.text+0x2f4): undefined reference to `usb_role_switch_set_role' > hd3ss3220.c:(.text+0x348): undefined reference to `usb_role_switch_set_role' > hd3ss3220.c:(.text+0x390): undefined reference to `usb_role_switch_set_role' > drivers/usb/typec/hd3ss3220.o: In function `hd3ss3220_probe': > hd3ss3220.c:(.text+0x5e8): undefined reference to `fwnode_usb_role_switch_get' > hd3ss3220.c:(.text+0x8a4): undefined reference to `usb_role_switch_put' > make: *** [vmlinux] Error 1 > > This patch add dependency USB_ROLE_SWITCH for TYPEC_HD3SS3220. > > Fixes: 1c48c759ef4b ("usb: typec: driver for TI HD3SS3220 USB Type-C DRP port controller") > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx> Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > --- > drivers/usb/typec/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/usb/typec/Kconfig b/drivers/usb/typec/Kconfig > index aceb2af..b4f2aac 100644 > --- a/drivers/usb/typec/Kconfig > +++ b/drivers/usb/typec/Kconfig > @@ -53,6 +53,7 @@ source "drivers/usb/typec/ucsi/Kconfig" > config TYPEC_HD3SS3220 > tristate "TI HD3SS3220 Type-C DRP Port controller driver" > depends on I2C > + depends on USB_ROLE_SWITCH > help > Say Y or M here if your system has TI HD3SS3220 Type-C DRP Port > controller driver. > -- > 2.7.4 thanks, -- heikki