Re: [PATCH 1/2] hwmon: shtc1: add support for device tree bindings

From: kernel test robot
Date: Fri Jul 03 2020 - 07:21:07 EST


Hi Chris,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on hwmon/hwmon-next]
[also build test WARNING on v5.8-rc3 next-20200703]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Chris-Ruehl/hwmon-shtc1-add-support-for-device-tree-bindings/20200703-124921
base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
config: arm-randconfig-r012-20200701 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project ca464639a1c9dd3944eb055ffd2796e8c2e7639f)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/hwmon/shtc1.c:282:34: warning: unused variable 'shtc1_of_match' [-Wunused-const-variable]
static const struct of_device_id shtc1_of_match[] = {
^
1 warning generated.

vim +/shtc1_of_match +282 drivers/hwmon/shtc1.c

280
281 #ifdef CONFIG_OF
> 282 static const struct of_device_id shtc1_of_match[] = {
283 { .compatible = "sensirion,shtc1" },
284 { .compatible = "sensirion,shtw1" },
285 { .compatible = "sensirion,shtc3" },
286 { }
287 };
288 MODULE_DEVICE_TABLE(of, shtc1_of_match);
289 #endif
290 static struct i2c_driver shtc1_i2c_driver = {
291 .driver.name = "shtc1",
292 .probe = shtc1_probe,
293 .id_table = shtc1_id,
294 };
295

---
0-DAY CI Kernel Test Service, Intel Corporation
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