Re: [PATCH] of: of_match_node: Make stub an inline function to avoid W=1 warnings

From: kernel test robot
Date: Fri Aug 28 2020 - 07:22:21 EST


Hi Andrew,

I love your patch! Yet something to improve:

[auto build test ERROR on robh/for-next]
[also build test ERROR on linux/master linus/master v5.9-rc2 next-20200828]
[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]

url: https://github.com/0day-ci/linux/commits/Andrew-Lunn/of-of_match_node-Make-stub-an-inline-function-to-avoid-W-1-warnings/20200828-102035
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: i386-randconfig-r032-20200828 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=i386

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

All errors (new ones prefixed by >>):

drivers/mfd/max8998.c: In function 'max8998_i2c_get_driver_data':
>> drivers/mfd/max8998.c:160:25: error: 'max8998_dt_match' undeclared (first use in this function)
160 | match = of_match_node(max8998_dt_match, i2c->dev.of_node);
| ^~~~~~~~~~~~~~~~
drivers/mfd/max8998.c:160:25: note: each undeclared identifier is reported only once for each function it appears in

# https://github.com/0day-ci/linux/commit/3213d0cc82c7a4e0e85e0db3da3da279460c833b
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Andrew-Lunn/of-of_match_node-Make-stub-an-inline-function-to-avoid-W-1-warnings/20200828-102035
git checkout 3213d0cc82c7a4e0e85e0db3da3da279460c833b
vim +/max8998_dt_match +160 drivers/mfd/max8998.c

ee999fb3f17faa Tomasz Figa 2013-06-25 154
8bace2d5b4baa0 Lee Jones 2014-02-03 155 static inline unsigned long max8998_i2c_get_driver_data(struct i2c_client *i2c,
ee999fb3f17faa Tomasz Figa 2013-06-25 156 const struct i2c_device_id *id)
ee999fb3f17faa Tomasz Figa 2013-06-25 157 {
ee999fb3f17faa Tomasz Figa 2013-06-25 158 if (IS_ENABLED(CONFIG_OF) && i2c->dev.of_node) {
ee999fb3f17faa Tomasz Figa 2013-06-25 159 const struct of_device_id *match;
ee999fb3f17faa Tomasz Figa 2013-06-25 @160 match = of_match_node(max8998_dt_match, i2c->dev.of_node);
8bace2d5b4baa0 Lee Jones 2014-02-03 161 return (unsigned long)match->data;
ee999fb3f17faa Tomasz Figa 2013-06-25 162 }
ee999fb3f17faa Tomasz Figa 2013-06-25 163
8bace2d5b4baa0 Lee Jones 2014-02-03 164 return id->driver_data;
ee999fb3f17faa Tomasz Figa 2013-06-25 165 }
ee999fb3f17faa Tomasz Figa 2013-06-25 166

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