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 - 07:03:16 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-a006-20200828 (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/misc/atmel-ssc.c: In function 'atmel_ssc_get_driver_data':
>> drivers/misc/atmel-ssc.c:137:25: error: 'atmel_ssc_dt_ids' undeclared (first use in this function); did you mean 'atmel_ssc_devtypes'?
137 | match = of_match_node(atmel_ssc_dt_ids, pdev->dev.of_node);
| ^~~~~~~~~~~~~~~~
| atmel_ssc_devtypes
drivers/misc/atmel-ssc.c:137:25: note: each undeclared identifier is reported only once for each function it appears in
--
drivers/i2c/busses/i2c-s3c2410.c: In function 's3c24xx_get_device_quirks':
>> drivers/i2c/busses/i2c-s3c2410.c:162:25: error: 's3c24xx_i2c_match' undeclared (first use in this function); did you mean 's3c24xx_i2c_state'?
162 | match = of_match_node(s3c24xx_i2c_match, pdev->dev.of_node);
| ^~~~~~~~~~~~~~~~~
| s3c24xx_i2c_state
drivers/i2c/busses/i2c-s3c2410.c:162:25: 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 +137 drivers/misc/atmel-ssc.c

099343c64e1615 Bo Shen 2012-11-07 131
7c97301285b62a Nathan Chancellor 2018-10-17 132 static inline const struct atmel_ssc_platform_data *
099343c64e1615 Bo Shen 2012-11-07 133 atmel_ssc_get_driver_data(struct platform_device *pdev)
099343c64e1615 Bo Shen 2012-11-07 134 {
099343c64e1615 Bo Shen 2012-11-07 135 if (pdev->dev.of_node) {
099343c64e1615 Bo Shen 2012-11-07 136 const struct of_device_id *match;
099343c64e1615 Bo Shen 2012-11-07 @137 match = of_match_node(atmel_ssc_dt_ids, pdev->dev.of_node);
099343c64e1615 Bo Shen 2012-11-07 138 if (match == NULL)
099343c64e1615 Bo Shen 2012-11-07 139 return NULL;
099343c64e1615 Bo Shen 2012-11-07 140 return match->data;
099343c64e1615 Bo Shen 2012-11-07 141 }
099343c64e1615 Bo Shen 2012-11-07 142
099343c64e1615 Bo Shen 2012-11-07 143 return (struct atmel_ssc_platform_data *)
099343c64e1615 Bo Shen 2012-11-07 144 platform_get_device_id(pdev)->driver_data;
099343c64e1615 Bo Shen 2012-11-07 145 }
099343c64e1615 Bo Shen 2012-11-07 146

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