linux-kernel - [PATCH] phy: fix rockchip-inno-usb2 build errors

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Date:   Tue, 24 Jan 2017 08:40:29 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Heiko Stuebner <heiko@...ech.de>
Subject: [PATCH] phy: fix rockchip-inno-usb2 build errors

From: Randy Dunlap <rdunlap@...radead.org>

Fix build errors in phy-rockchip-inno-usb2.c. The driver uses
extcon interfaces so it should depend on EXTCON.

Fixes these build errors:

drivers/built-in.o: In function `rockchip_usb2phy_otg_sm_work':
phy-rockchip-inno-usb2.c:(.text+0x2bcb): undefined reference to `extcon_get_state'
phy-rockchip-inno-usb2.c:(.text+0x2cd4): undefined reference to `extcon_set_state_sync'
phy-rockchip-inno-usb2.c:(.text+0x2cec): undefined reference to `extcon_set_state_sync'
phy-rockchip-inno-usb2.c:(.text+0x2d2d): undefined reference to `extcon_get_state'
drivers/built-in.o: In function `rockchip_usb2phy_probe':
phy-rockchip-inno-usb2.c:(.text+0x31d7): undefined reference to `extcon_get_edev_by_phandle'
phy-rockchip-inno-usb2.c:(.text+0x321a): undefined reference to `devm_extcon_dev_allocate'
phy-rockchip-inno-usb2.c:(.text+0x3230): undefined reference to `devm_extcon_dev_register'
phy-rockchip-inno-usb2.c:(.text+0x375a): undefined reference to `extcon_register_notifier'

Found in linux-next but is also needed in mainline.

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc:	MyungJoo Ham <myungjoo.ham@...sung.com>
Cc:	Chanwoo Choi <cw00.choi@...sung.com>
Cc:	Heiko Stuebner <heiko@...ech.de>
---
 drivers/phy/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20170124.orig/drivers/phy/Kconfig
+++ linux-next-20170124/drivers/phy/Kconfig
@@ -363,6 +363,7 @@ config PHY_ROCKCHIP_INNO_USB2
 	tristate "Rockchip INNO USB2PHY Driver"
 	depends on (ARCH_ROCKCHIP || COMPILE_TEST) && OF
 	depends on COMMON_CLK
+	depends on EXTCON
 	depends on USB_SUPPORT
 	select GENERIC_PHY
 	select USB_COMMON