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Date: Mon, 14 Feb 2022 11:07:55 +0800
From: kernel test robot <lkp@...el.com>
To: Dmitry Osipenko <digetx@...il.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Thierry Reding <treding@...dia.com>,
Ulf Hansson <ulf.hansson@...aro.org>
Subject: drivers/gpu/drm/tegra/vic.c:326:12: error: 'vic_runtime_suspend'
defined but not used
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 754e0b0e35608ed5206d6a67a791563c631cec07
commit: 1e15f5b911d6a1b4a5677e88527610946bd314dd drm/tegra: vic: Stop channel on suspend
date: 9 weeks ago
config: arm-randconfig-r016-20220213 (https://download.01.org/0day-ci/archive/20220214/202202141114.QJqYTOhN-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1e15f5b911d6a1b4a5677e88527610946bd314dd
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 1e15f5b911d6a1b4a5677e88527610946bd314dd
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/drm/tegra/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> drivers/gpu/drm/tegra/vic.c:326:12: error: 'vic_runtime_suspend' defined but not used [-Werror=unused-function]
326 | static int vic_runtime_suspend(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/tegra/vic.c:292:12: error: 'vic_runtime_resume' defined but not used [-Werror=unused-function]
292 | static int vic_runtime_resume(struct device *dev)
| ^~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
vim +/vic_runtime_suspend +326 drivers/gpu/drm/tegra/vic.c
77a0b09dd993c8 Thierry Reding 2019-02-01 290
9916612311a777 Mikko Perttunen 2021-06-10 291
9916612311a777 Mikko Perttunen 2021-06-10 @292 static int vic_runtime_resume(struct device *dev)
0ae797a8ba05a2 Arto Merilainen 2016-12-14 293 {
9916612311a777 Mikko Perttunen 2021-06-10 294 struct vic *vic = dev_get_drvdata(dev);
0ae797a8ba05a2 Arto Merilainen 2016-12-14 295 int err;
0ae797a8ba05a2 Arto Merilainen 2016-12-14 296
9916612311a777 Mikko Perttunen 2021-06-10 297 err = clk_prepare_enable(vic->clk);
0ae797a8ba05a2 Arto Merilainen 2016-12-14 298 if (err < 0)
0ae797a8ba05a2 Arto Merilainen 2016-12-14 299 return err;
0ae797a8ba05a2 Arto Merilainen 2016-12-14 300
9916612311a777 Mikko Perttunen 2021-06-10 301 usleep_range(10, 20);
9916612311a777 Mikko Perttunen 2021-06-10 302
9916612311a777 Mikko Perttunen 2021-06-10 303 err = reset_control_deassert(vic->rst);
9916612311a777 Mikko Perttunen 2021-06-10 304 if (err < 0)
9916612311a777 Mikko Perttunen 2021-06-10 305 goto disable;
9916612311a777 Mikko Perttunen 2021-06-10 306
9916612311a777 Mikko Perttunen 2021-06-10 307 usleep_range(10, 20);
9916612311a777 Mikko Perttunen 2021-06-10 308
77a0b09dd993c8 Thierry Reding 2019-02-01 309 err = vic_load_firmware(vic);
77a0b09dd993c8 Thierry Reding 2019-02-01 310 if (err < 0)
9916612311a777 Mikko Perttunen 2021-06-10 311 goto assert;
77a0b09dd993c8 Thierry Reding 2019-02-01 312
0ae797a8ba05a2 Arto Merilainen 2016-12-14 313 err = vic_boot(vic);
77a0b09dd993c8 Thierry Reding 2019-02-01 314 if (err < 0)
9916612311a777 Mikko Perttunen 2021-06-10 315 goto assert;
0ae797a8ba05a2 Arto Merilainen 2016-12-14 316
9916612311a777 Mikko Perttunen 2021-06-10 317 return 0;
9916612311a777 Mikko Perttunen 2021-06-10 318
9916612311a777 Mikko Perttunen 2021-06-10 319 assert:
9916612311a777 Mikko Perttunen 2021-06-10 320 reset_control_assert(vic->rst);
9916612311a777 Mikko Perttunen 2021-06-10 321 disable:
9916612311a777 Mikko Perttunen 2021-06-10 322 clk_disable_unprepare(vic->clk);
9916612311a777 Mikko Perttunen 2021-06-10 323 return err;
0ae797a8ba05a2 Arto Merilainen 2016-12-14 324 }
0ae797a8ba05a2 Arto Merilainen 2016-12-14 325
9916612311a777 Mikko Perttunen 2021-06-10 @326 static int vic_runtime_suspend(struct device *dev)
9916612311a777 Mikko Perttunen 2021-06-10 327 {
9916612311a777 Mikko Perttunen 2021-06-10 328 struct vic *vic = dev_get_drvdata(dev);
9916612311a777 Mikko Perttunen 2021-06-10 329 int err;
9916612311a777 Mikko Perttunen 2021-06-10 330
1e15f5b911d6a1 Dmitry Osipenko 2021-12-01 331 host1x_channel_stop(vic->channel);
1e15f5b911d6a1 Dmitry Osipenko 2021-12-01 332
9916612311a777 Mikko Perttunen 2021-06-10 333 err = reset_control_assert(vic->rst);
9916612311a777 Mikko Perttunen 2021-06-10 334 if (err < 0)
9916612311a777 Mikko Perttunen 2021-06-10 335 return err;
9916612311a777 Mikko Perttunen 2021-06-10 336
9916612311a777 Mikko Perttunen 2021-06-10 337 usleep_range(2000, 4000);
9916612311a777 Mikko Perttunen 2021-06-10 338
9916612311a777 Mikko Perttunen 2021-06-10 339 clk_disable_unprepare(vic->clk);
9916612311a777 Mikko Perttunen 2021-06-10 340
0ae797a8ba05a2 Arto Merilainen 2016-12-14 341 return 0;
9916612311a777 Mikko Perttunen 2021-06-10 342 }
77a0b09dd993c8 Thierry Reding 2019-02-01 343
:::::: The code at line 326 was first introduced by commit
:::::: 9916612311a777cdf15a53491243589ea4fcc4e7 drm/tegra: Boot VIC during runtime PM resume
:::::: TO: Mikko Perttunen <mperttunen@...dia.com>
:::::: CC: Thierry Reding <treding@...dia.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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