[PATCH] usb: typec: nb7vpq904m: add CONFIG_OF dependency

[Arnd Bergmann <arnd@kernel.org>]

From: Arnd Bergmann <arnd@arndb.de>

DRM_AUX_BRIDGE depends on CONFIG_OF, so the same dependency is needed
here to avoid a build failure:

WARNING: unmet direct dependencies detected for DRM_AUX_BRIDGE
  Depends on [n]: HAS_IOMEM [=y] && DRM_BRIDGE [=y] && OF [=n]
  Selected by [y]:
  - TYPEC_MUX_NB7VPQ904M [=y] && USB_SUPPORT [=y] && TYPEC [=y] && I2C [=y] && (DRM [=y] || DRM [=y]=n) && DRM_BRIDGE [=y]
x86_64-linux-ld: drivers/gpu/drm/bridge/aux-bridge.o: in function `drm_aux_bridge_register':
aux-bridge.c:(.text+0x13b): undefined reference to `auxiliary_device_init'
x86_64-linux-ld: aux-bridge.c:(.text+0x14d): undefined reference to `__auxiliary_device_add'
x86_64-linux-ld: drivers/gpu/drm/bridge/aux-bridge.o: in function `drm_aux_bridge_drv_init':
aux-bridge.c:(.init.text+0x15): undefined reference to `__auxiliary_driver_register'
x86_64-linux-ld: drivers/gpu/drm/bridge/aux-bridge.o: in function `drm_aux_bridge_drv_exit':
aux-bridge.c:(.exit.text+0x9): undefined reference to `auxiliary_driver_unregister'

Fixes: c5d296bad640 ("usb: typec: nb7vpq904m: switch to DRM_AUX_BRIDGE")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/usb/typec/mux/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig
index 5120942f309d..818624f59120 100644
--- a/drivers/usb/typec/mux/Kconfig
+++ b/drivers/usb/typec/mux/Kconfig
@@ -40,6 +40,7 @@ config TYPEC_MUX_NB7VPQ904M
 	tristate "On Semiconductor NB7VPQ904M Type-C redriver driver"
 	depends on I2C
 	depends on DRM || DRM=n
+	depends on OF
 	select DRM_AUX_BRIDGE if DRM_BRIDGE
 	select REGMAP_I2C
 	help
-- 
2.39.2