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Subject[PATCH 5.4 102/165] usb: typec: fusb302: Fix an undefined reference to extcon_get_state
From: zhong jiang <>

[ Upstream commit 547fc228755d79af648898187e7831a825d4f42c ]

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 <>
Signed-off-by: zhong jiang <>
Acked-by: Heikki Krogerus <>
Reviewed-by: Guenter Roeck <>
Signed-off-by: Greg Kroah-Hartman <>
Signed-off-by: Sasha Levin <>
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 72481bbb2af3..5b986d6c801d 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
The Fairchild FUSB302 Type-C chip driver that works with
Type-C Port Controller Manager to provide USB PD and USB

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