linux-kernel - Re: [PATCH v7 3/4] gpio: rpmsg: add generic rpmsg GPIO driver

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Message-ID: <202602112252.gWFirLCA-lkp@intel.com>
Date: Wed, 11 Feb 2026 22:37:05 +0800
From: kernel test robot <lkp@...el.com>
To: Shenwei Wang <shenwei.wang@....com>, Linus Walleij <linusw@...nel.org>,
	Bartosz Golaszewski <brgl@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Mathieu Poirier <mathieu.poirier@...aro.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Jonathan Corbet <corbet@....net>
Cc: oe-kbuild-all@...ts.linux.dev,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Shenwei Wang <shenwei.wang@....com>, Peng Fan <peng.fan@....com>,
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-doc@...r.kernel.org, linux-imx@....com,
	arnaud.pouliquen@...s.st.com, Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH v7 3/4] gpio: rpmsg: add generic rpmsg GPIO driver

Hi Shenwei,

kernel test robot noticed the following build errors:

[auto build test ERROR on brgl/gpio/for-next]
[also build test ERROR on robh/for-next remoteproc/rproc-next linus/master v6.19 next-20260210]
[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/Shenwei-Wang/dt-bindings-remoteproc-imx_rproc-Add-rpmsg-subnode-support/20260211-011505
base:   https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git gpio/for-next
patch link:    https://lore.kernel.org/r/20260210170814.406883-4-shenwei.wang%40nxp.com
patch subject: [PATCH v7 3/4] gpio: rpmsg: add generic rpmsg GPIO driver
config: sparc-randconfig-r133-20260211 (https://download.01.org/0day-ci/archive/20260211/202602112252.gWFirLCA-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 13.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260211/202602112252.gWFirLCA-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/202602112252.gWFirLCA-lkp@intel.com/

All errors (new ones prefixed by >>):

   sparc-linux-ld: drivers/gpio/gpio-rpmsg.o: in function `rpmsg_gpio_channel_probe':
>> gpio-rpmsg.c:(.text+0x788): undefined reference to `rproc_get_by_child'
>> sparc-linux-ld: gpio-rpmsg.c:(.text+0x834): undefined reference to `rproc_get_by_child'

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