[soc:board-remove 161/200] drivers/net/dsa/b53/b53_srab.c:619:29: warning: unused variable 'dn'

[soc:board-remove 161/200] drivers/net/dsa/b53/b53_srab.c:619:29: warning: unused variable 'dn'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git board-remove
head:   c12d647b0229f4d75a2973c9b4e79f9b53406426
commit: 17d6f307eeac32b9e1bae82f8f4388297cc4647f [161/200] net: dsa: remove pdata based probing
config: x86_64-buildonly-randconfig-006-20260819 (https://download.01.org/0day-ci/archive/20260819/202608191337.lWFpSf1X-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260819/202608191337.lWFpSf1X-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608191337.lWFpSf1X-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/net/dsa/b53/b53_srab.c: In function 'b53_srab_probe':
>> drivers/net/dsa/b53/b53_srab.c:619:29: warning: unused variable 'dn' [-Wunused-variable]
     619 |         struct device_node *dn = pdev->dev.of_node;
         |                             ^~


vim +/dn +619 drivers/net/dsa/b53/b53_srab.c

0e01491de64600 Florian Fainelli 2018-09-05  616  
967dd82ffc52e9 Florian Fainelli 2016-06-09  617  static int b53_srab_probe(struct platform_device *pdev)
967dd82ffc52e9 Florian Fainelli 2016-06-09  618  {
fefae6909ead17 Florian Fainelli 2016-07-08 @619  	struct device_node *dn = pdev->dev.of_node;
fefae6909ead17 Florian Fainelli 2016-07-08  620  	const struct of_device_id *of_id = NULL;
967dd82ffc52e9 Florian Fainelli 2016-06-09  621  	struct b53_srab_priv *priv;
967dd82ffc52e9 Florian Fainelli 2016-06-09  622  	struct b53_device *dev;
967dd82ffc52e9 Florian Fainelli 2016-06-09  623  
967dd82ffc52e9 Florian Fainelli 2016-06-09  624  	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
967dd82ffc52e9 Florian Fainelli 2016-06-09  625  	if (!priv)
967dd82ffc52e9 Florian Fainelli 2016-06-09  626  		return -ENOMEM;
967dd82ffc52e9 Florian Fainelli 2016-06-09  627  
291f4b6de48aa8 YueHaibing       2019-08-01  628  	priv->regs = devm_platform_ioremap_resource(pdev, 0);
967dd82ffc52e9 Florian Fainelli 2016-06-09  629  	if (IS_ERR(priv->regs))
ef24d6c3d69651 Tiezhu Yang      2020-05-22  630  		return PTR_ERR(priv->regs);
967dd82ffc52e9 Florian Fainelli 2016-06-09  631  
967dd82ffc52e9 Florian Fainelli 2016-06-09  632  	dev = b53_switch_alloc(&pdev->dev, &b53_srab_ops, priv);
967dd82ffc52e9 Florian Fainelli 2016-06-09  633  	if (!dev)
967dd82ffc52e9 Florian Fainelli 2016-06-09  634  		return -ENOMEM;
967dd82ffc52e9 Florian Fainelli 2016-06-09  635  
17d6f307eeac32 Arnd Bergmann    2026-08-07  636  	of_id = of_match_node(b53_srab_of_match, dn);
17d6f307eeac32 Arnd Bergmann    2026-08-07  637  	dev->chip_id = (u32)(unsigned long)of_id->data;
fefae6909ead17 Florian Fainelli 2016-07-08  638  
967dd82ffc52e9 Florian Fainelli 2016-06-09  639  	platform_set_drvdata(pdev, dev);
967dd82ffc52e9 Florian Fainelli 2016-06-09  640  
16994374a6fc6a Florian Fainelli 2018-09-05  641  	b53_srab_prepare_irq(pdev);
0e01491de64600 Florian Fainelli 2018-09-05  642  	b53_srab_mux_init(pdev);
16994374a6fc6a Florian Fainelli 2018-09-05  643  
967dd82ffc52e9 Florian Fainelli 2016-06-09  644  	return b53_switch_register(dev);
967dd82ffc52e9 Florian Fainelli 2016-06-09  645  }
967dd82ffc52e9 Florian Fainelli 2016-06-09  646  

:::::: The code at line 619 was first introduced by commit
:::::: fefae6909ead1798c39bee4d94e7e8f1f2752ef6 net: dsa: b53: Allow SRAB driver to specify platform data

:::::: TO: Florian Fainelli <f.fainelli@gmail.com>
:::::: CC: David S. Miller <davem@davemloft.net>

--
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https://github.com/intel/lkp-tests/wiki