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Subject[PATCH] extcon: usbc-tusb320: add USB_ROLE_SWITCH dependency
Date
From: Arnd Bergmann <arnd@arndb.de>

When CONFIG_USB_ROLE_SWITCH=m, tusb320 cannot be built-in:

ld.lld: error: undefined symbol: fwnode_usb_role_switch_get
>>> referenced by extcon-usbc-tusb320.c
>>> drivers/extcon/extcon-usbc-tusb320.o:(tusb320_probe) in archive vmlinux.a
ld.lld: error: undefined symbol: usb_role_switch_set_role
>>> referenced by extcon-usbc-tusb320.c
>>> drivers/extcon/extcon-usbc-tusb320.o:(tusb320_state_update_handler) in archive vmlinux.a

Add the appropriate Kconfig dependency to prevent this
configuration but still allow the driver to be built-in
when USB_ROLE_SWITCH is disabled.

Fixes: 19685ae43489 ("extcon: usbc-tusb320: add usb_role_switch support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/extcon/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index 290186e44e6b..0ef1971d22bb 100644
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -185,6 +185,7 @@ config EXTCON_USBC_TUSB320
tristate "TI TUSB320 USB-C extcon support"
depends on I2C && TYPEC
select REGMAP_I2C
+ depends on USB_ROLE_SWITCH || !USB_ROLE_SWITCH
help
Say Y here to enable support for USB Type C cable detection extcon
support using a TUSB320.
--
2.39.2
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