[frank-w-bpi-r2-4.14:7.4-rc 37/154] drivers/net/pcs/pcs-mtk-lynxi.c:548:13: warning: variable 'flags' set but not used

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

tree:   https://github.com/frank-w/BPI-R2-4.14 7.4-rc
head:   674a64f97be4d25967f31216ffe7eaefdabf827f
commit: 51267acf54375bc00d77b438e7557a1fc0f0017e [37/154] net: pcs: mtk-lynxi: add phya tx rx clock path
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20261108/202611080644.BNoAGULv-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 16.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261108/202611080644.BNoAGULv-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/202611080644.BNoAGULv-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/net/pcs/pcs-mtk-lynxi.c: In function 'mtk_pcs_lynxi_probe':
>> drivers/net/pcs/pcs-mtk-lynxi.c:548:13: warning: variable 'flags' set but not used [-Wunused-but-set-variable=]
     548 |         u32 flags = 0;
         |             ^~~~~
--
   drivers/net/ethernet/mediatek/mtk_eth_soc.c: In function 'mtk_sgmii_init':
>> drivers/net/ethernet/mediatek/mtk_eth_soc.c:5524:13: warning: variable 'flags' set but not used [-Wunused-but-set-variable=]
    5524 |         u32 flags = 0;
         |             ^~~~~


vim +/flags +548 drivers/net/pcs/pcs-mtk-lynxi.c

   538	
   539	#if IS_ENABLED(CONFIG_FWNODE_PCS)
   540	static int mtk_pcs_lynxi_probe(struct platform_device *pdev)
   541	{
   542		struct device *dev = &pdev->dev;
   543		struct fwnode_pcs_provider *pcs_provider;
   544		struct device_node *np = dev->of_node;
   545		struct mtk_pcs_lynxi *mpcs;
   546		struct phylink_pcs *pcs;
   547		struct regmap *regmap;
 > 548		u32 flags = 0;
   549	
   550		mpcs = devm_kzalloc(dev, sizeof(*mpcs), GFP_KERNEL);
   551		if (!mpcs)
   552			return -ENOMEM;
   553	
   554		mpcs->dev = dev;
   555		regmap = syscon_node_to_regmap(np->parent);
   556		if (IS_ERR(regmap))
   557			return PTR_ERR(regmap);
   558	
   559		if (of_property_read_bool(np->parent, "mediatek,phya_trx_ck"))
   560			flags |= MTK_SGMII_FLAG_PHYA_TRX_CK;
   561	
   562		if (of_parse_phandle(np->parent, "resets", 0)) {
   563			mpcs->rstc = of_reset_control_get_shared(np->parent, NULL);
   564			if (IS_ERR(mpcs->rstc))
   565				return PTR_ERR(mpcs->rstc);
   566		} else
   567			mpcs->rstc = NULL;
   568	
   569		reset_control_deassert(mpcs->rstc);
   570		mpcs->sgmii_sel = devm_clk_get_enabled(dev, "sgmii_sel");
   571		if (IS_ERR(mpcs->sgmii_sel))
   572			return PTR_ERR(mpcs->sgmii_sel);
   573	
   574		mpcs->sgmii_rx = devm_clk_get(dev, "sgmii_rx");
   575		if (IS_ERR(mpcs->sgmii_rx))
   576			return PTR_ERR(mpcs->sgmii_rx);
   577	
   578		mpcs->sgmii_tx = devm_clk_get(dev, "sgmii_tx");
   579		if (IS_ERR(mpcs->sgmii_tx))
   580			return PTR_ERR(mpcs->sgmii_tx);
   581	
   582		mpcs->xfi_tphy = devm_of_phy_optional_get(mpcs->dev, np, NULL);
   583		if (IS_ERR(mpcs->xfi_tphy))
   584			return PTR_ERR(mpcs->xfi_tphy);
   585	
   586		pcs = mtk_pcs_lynxi_init(dev, of_fwnode_handle(np), regmap,
   587					 (uintptr_t)of_device_get_match_data(dev),
   588					 mpcs);
   589		if (IS_ERR(pcs))
   590			return PTR_ERR(pcs);
   591	
   592		regmap_set_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, SGMII_PHYA_PWD);
   593	
   594		platform_set_drvdata(pdev, mpcs);
   595	
   596		pcs_provider = devm_fwnode_pcs_add_provider(dev, dev_fwnode(dev),
   597							    fwnode_pcs_simple_xlate, &mpcs->pcs);
   598		if (IS_ERR(pcs_provider))
   599			return PTR_ERR(pcs_provider);
   600	
   601		return 0;
   602	}
   603	

--
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