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

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Message-ID: <202008281850.kwApZCPV%lkp@intel.com>
Date:   Fri, 28 Aug 2020 18:52:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     Andrew Lunn <andrew@...n.ch>, robh+dt@...nel.org
Cc:     kbuild-all@...ts.01.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH] of: of_match_node: Make stub an inline function to avoid
 W=1 warnings

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@...el.com>

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  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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