linux-kernel - Re: [PATCH v5 4/8] phy: rockchip: phy-rockchip-typec: Add DRM AUX bridge

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Message-ID: <202510132306.TKsFxaNn-lkp@intel.com>
Date: Tue, 14 Oct 2025 00:00:56 +0800
From: kernel test robot <lkp@...el.com>
To: Chaoyi Chen <kernel@...kyi.com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>, Sandy Huang <hjc@...k-chips.com>,
	Andy Yan <andy.yan@...k-chips.com>,
	Yubing Zhang <yubing.zhang@...k-chips.com>,
	Frank Wang <frank.wang@...k-chips.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Amit Sunil Dhamne <amitsd@...gle.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Chaoyi Chen <chaoyi.chen@...k-chips.com>,
	Dragan Simic <dsimic@...jaro.org>, Johan Jonker <jbx6244@...il.com>,
	Diederik de Haas <didi.debian@...ow.org>,
	Dmitry Baryshkov <lumag@...nel.org>,
	Peter Robinson <pbrobinson@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-usb@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-phy@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v5 4/8] phy: rockchip: phy-rockchip-typec: Add DRM AUX
 bridge

Hi Chaoyi,

kernel test robot noticed the following build errors:

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on usb/usb-next usb/usb-linus linus/master v6.18-rc1 next-20251013]
[cannot apply to rockchip/for-next robh/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Chaoyi-Chen/usb-typec-Add-default-HPD-device-when-register-DisplayPort-altmode/20251011-113608
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link:    https://lore.kernel.org/r/20251011033233.97-5-kernel%40airkyi.com
patch subject: [PATCH v5 4/8] phy: rockchip: phy-rockchip-typec: Add DRM AUX bridge
config: i386-buildonly-randconfig-003-20251011 (https://download.01.org/0day-ci/archive/20251013/202510132306.TKsFxaNn-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251013/202510132306.TKsFxaNn-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510132306.TKsFxaNn-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: drivers/phy/rockchip/phy-rockchip-typec.o: in function `udphy_orien_switch_unregister':
   phy-rockchip-typec.c:(.text+0x89a): undefined reference to `typec_switch_unregister'
   ld: drivers/phy/rockchip/phy-rockchip-typec.o: in function `tcphy_orien_sw_set':
   phy-rockchip-typec.c:(.text+0x8b9): undefined reference to `typec_switch_get_drvdata'
   ld: drivers/phy/rockchip/phy-rockchip-typec.o: in function `tcphy_typec_mux_unregister':
   phy-rockchip-typec.c:(.text+0x93a): undefined reference to `typec_mux_unregister'
   ld: drivers/phy/rockchip/phy-rockchip-typec.o: in function `tcphy_typec_mux_set':
   phy-rockchip-typec.c:(.text+0x959): undefined reference to `typec_mux_get_drvdata'
   ld: drivers/phy/rockchip/phy-rockchip-typec.o: in function `tcphy_setup_typec_mux':
>> phy-rockchip-typec.c:(.text+0xac3): undefined reference to `drm_aux_bridge_register'
   ld: phy-rockchip-typec.c:(.text+0xae6): undefined reference to `typec_mux_register'
   ld: drivers/phy/rockchip/phy-rockchip-typec.o: in function `rockchip_typec_phy_probe':
   phy-rockchip-typec.c:(.text+0xf3f): undefined reference to `typec_switch_register'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki