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

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Date:   Thu, 26 Jan 2017 23:56:47 +0900
From:   Chanwoo Choi <cwchoi00@...il.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Heiko Stuebner <heiko@...ech.de>
Subject: Re: [PATCH] phy: fix rockchip-inno-usb2 build errors

Hi Randy,

2017-01-25 1:40 GMT+09:00 Randy Dunlap <rdunlap@...radead.org>:
> 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

Looks good to me. You better to send this patch to the phy maintainer
(Kishon Vijay Abraham I <kishon@...com>).

Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics