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From:   Mao Wenan <maowenan@huawei.com>
To:     <felipe.balbi@linux.intel.com>, <gregkh@linuxfoundation.org>,
        <treding@nvidia.com>, <nkristam@nvidia.com>, <arnd@arndb.de>,
        <johan@kernel.org>, <krzk@kernel.org>
CC:     <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <kernel-janitors@vger.kernel.org>, Mao Wenan <maowenan@huawei.com>
Subject: [PATCH -next] usb: gadget: Add dependency for USB_TEGRA_XUDC
Date:   Mon, 4 Nov 2019 10:59:45 +0800
Message-ID: <20191104025945.172620-1-maowenan@huawei.com>
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If CONFIG_USB_TEGRA_XUDC=y and CONFIG_USB_ROLE_SWITCH=m,
below erros can be seen:
drivers/usb/gadget/udc/tegra-xudc.o: In function `tegra_xudc_remove':
tegra-xudc.c:(.text+0x6b0): undefined reference to `usb_role_switch_unregister'
drivers/usb/gadget/udc/tegra-xudc.o: In function `tegra_xudc_probe':
tegra-xudc.c:(.text+0x1b88): undefined reference to `usb_role_switch_register'
drivers/usb/gadget/udc/tegra-xudc.o: In function `tegra_xudc_usb_role_sw_work':
tegra-xudc.c:(.text+0x5ecc): undefined reference to `usb_role_switch_get_role'

This patch add dependency USB_ROLE_SWITCH for UDC driver.

Fixes: 49db427232fe ("usb: gadget: Add UDC driver for tegra XUSB device mode controller")
Signed-off-by: Mao Wenan <maowenan@huawei.com>
---
 drivers/usb/gadget/udc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
index acaec3a..d103154 100644
--- a/drivers/usb/gadget/udc/Kconfig
+++ b/drivers/usb/gadget/udc/Kconfig
@@ -445,6 +445,7 @@ config USB_TEGRA_XUDC
 	tristate "NVIDIA Tegra Superspeed USB 3.0 Device Controller"
 	depends on ARCH_TEGRA || COMPILE_TEST
 	depends on PHY_TEGRA_XUSB
+	depends on USB_ROLE_SWITCH
 	help
 	 Enables NVIDIA Tegra USB 3.0 device mode controller driver.
 
-- 
2.7.4