[bod:qcom-laptops-v6.18-rc4-camss-icp-bps-ipe-icp-boots+stats-b4 96/121] drivers/media/platform/qcom/camss/camss-csiphy.c:798:29: warning: unused variable 'np'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/bod/linux.git qcom-laptops-v6.18-rc4-camss-icp-bps-ipe-icp-boots+stats-b4
head:   ebd1e440443121d18f730ab2aeea5586a754f36f
commit: 2fcf15956bf417c391c1946d3fd091d926185ece [96/121] media: qcom: camss: Add support for PHY API devices
config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20260705/202607050850.EEDhuMeG-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260705/202607050850.EEDhuMeG-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/202607050850.EEDhuMeG-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/media/platform/qcom/camss/camss-csiphy.c: In function 'msm_csiphy_subdev_init':
>> drivers/media/platform/qcom/camss/camss-csiphy.c:798:29: warning: unused variable 'np' [-Wunused-variable]
     798 |         struct device_node *np;
         |                             ^~


vim +/np +798 drivers/media/platform/qcom/camss/camss-csiphy.c

   784	
   785	/*
   786	 * msm_csiphy_subdev_init - Initialize CSIPHY device structure and resources
   787	 * @csiphy: CSIPHY device
   788	 * @res: CSIPHY module resources table
   789	 * @id: CSIPHY module id
   790	 *
   791	 * Return 0 on success or a negative error code otherwise
   792	 */
   793	int msm_csiphy_subdev_init(struct camss *camss,
   794				   struct csiphy_device *csiphy,
   795				   const struct camss_subdev_resources *res, u8 id)
   796	{
   797		struct device *dev = camss->dev;
 > 798		struct device_node *np;
   799		struct of_phandle_args args;
   800		u8 combo_mode;
   801		int idx;
   802		int ret;
   803	
   804		snprintf(csiphy->name, ARRAY_SIZE(csiphy->name), "csiphy%d", id);
   805	
   806		idx = of_property_match_string(dev->of_node, "phy-names", csiphy->name);
   807		if (idx < 0) {
   808			dev_err(dev, "%s not found\n", csiphy->name);
   809			return idx;
   810		}
   811	
   812		ret = of_parse_phandle_with_args(dev->of_node, "phys", "#phy-cells", idx, &args);
   813		if (ret < 0) {
   814			dev_err(dev, "unable to parase phys args %s\n", csiphy->name);
   815			return ret;
   816		}
   817	
   818		if (!of_device_is_available(args.np))
   819			goto put_np;
   820	
   821		combo_mode = args.args[0];
   822		if (combo_mode != PHY_TYPE_DPHY) {
   823			dev_err(dev, "%s mode %d not supported\n", csiphy->name, combo_mode);
   824			ret = -ENOTSUPP;
   825			goto put_np;
   826		}
   827	
   828		csiphy->phy = devm_phy_get(dev, csiphy->name);
   829		if (IS_ERR(csiphy->phy)) {
   830			ret = PTR_ERR(csiphy->phy);
   831			goto put_np;
   832		}
   833	
   834		csiphy->camss = camss;
   835		csiphy->id = id;
   836		csiphy->cfg.combo_mode = combo_mode;
   837		csiphy->res = &res->csiphy;
   838	
   839		ret = phy_init(csiphy->phy);
   840		if (ret)
   841			dev_err(dev, "phy %s init fail %d\n", csiphy->name, ret);
   842	
   843	put_np:
   844		of_node_put(args.np);
   845	
   846		return ret;
   847	}
   848	

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