linux-kernel - [PATCH] usb: gadget: fsl: fix link error against usb-gadget module

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Message-Id: <20190416122540.3222314-1-arnd@arndb.de>
Date:   Tue, 16 Apr 2019 14:25:32 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Dmitry Osipenko <digetx@...il.com>,
        Anders Roxell <anders.roxell@...aro.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] usb: gadget: fsl: fix link error against usb-gadget module

The dependency to ensure this driver links correctly fails since
it can not be a loadable module:

drivers/usb/phy/phy-fsl-usb.o: In function `fsl_otg_set_peripheral':
phy-fsl-usb.c:(.text+0x2224): undefined reference to `usb_gadget_vbus_disconnect'

Make the option 'tristate' so it can work correctly.

Fixes: 5a8d651a2bde ("usb: gadget: move gadget API functions to udc-core")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/usb/phy/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 8c509b060c09..24b4f091acb8 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -21,7 +21,7 @@ config AB8500_USB
 	  in host mode, low speed.
 
 config FSL_USB2_OTG
-	bool "Freescale USB OTG Transceiver Driver"
+	tristate "Freescale USB OTG Transceiver Driver"
 	depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_OTG_FSM=y && PM
 	depends on USB_GADGET || !USB_GADGET # if USB_GADGET=m, this can't be 'y'
 	select USB_PHY
-- 
2.20.0