Hi Russell, kernel test robot noticed the following build warnings: [auto build test WARNING on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Russell-King-Oracle/net-stmmac-qcom-ethqos-remove-of_get_phy_mode/20250311-001446 base: net-next/main patch link: https://lore.kernel.org/r/E1trbxk-005qYA-Up%40rmk-PC.armlinux.org.uk patch subject: [PATCH net-next 3/9] net: stmmac: remove of_get_phy_mode() config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250312/202503120741.lpX5066n-lkp@xxxxxxxxx/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250312/202503120741.lpX5066n-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503120741.lpX5066n-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c:11: In file included from include/linux/of_net.h:9: In file included from include/linux/phy.h:16: In file included from include/linux/ethtool.h:18: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:10: In file included from include/linux/mm.h:2224: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c:94:4: warning: variable 'phy_mode' is uninitialized when used here [-Wuninitialized] 94 | phy_mode); | ^~~~~~~~ include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err' 154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c:67:2: note: variable 'phy_mode' is declared here 67 | phy_interface_t phy_mode; | ^ 4 warnings generated. vim +/phy_mode +94 drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 61 41b984be408c088 Russell King (Oracle 2025-03-10 62) static struct anarion_gmac * 41b984be408c088 Russell King (Oracle 2025-03-10 63) anarion_config_dt(struct platform_device *pdev, 41b984be408c088 Russell King (Oracle 2025-03-10 64) struct plat_stmmacenet_data *plat_dat) 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 65 { 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 66 struct anarion_gmac *gmac; 0c65b2b90d13c1d Andrew Lunn 2019-11-04 67 phy_interface_t phy_mode; 0c65b2b90d13c1d Andrew Lunn 2019-11-04 68 void __iomem *ctl_block; 0c65b2b90d13c1d Andrew Lunn 2019-11-04 69 int err; 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 70 ad124aa34e51439 YueHaibing 2019-08-21 71 ctl_block = devm_platform_ioremap_resource(pdev, 1); 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 72 if (IS_ERR(ctl_block)) { 51fe084b17e795f Simon Horman 2023-04-06 73 err = PTR_ERR(ctl_block); 51fe084b17e795f Simon Horman 2023-04-06 74 dev_err(&pdev->dev, "Cannot get reset region (%d)!\n", err); 51fe084b17e795f Simon Horman 2023-04-06 75 return ERR_PTR(err); 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 76 } 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 77 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 78 gmac = devm_kzalloc(&pdev->dev, sizeof(*gmac), GFP_KERNEL); 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 79 if (!gmac) 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 80 return ERR_PTR(-ENOMEM); 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 81 9f12541d684b925 Simon Horman 2023-04-06 82 gmac->ctl_block = ctl_block; 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 83 41b984be408c088 Russell King (Oracle 2025-03-10 84) switch (plat_dat->phy_interface) { df561f6688fef77 Gustavo A. R. Silva 2020-08-23 85 case PHY_INTERFACE_MODE_RGMII: df561f6688fef77 Gustavo A. R. Silva 2020-08-23 86 fallthrough; df561f6688fef77 Gustavo A. R. Silva 2020-08-23 87 case PHY_INTERFACE_MODE_RGMII_ID: df561f6688fef77 Gustavo A. R. Silva 2020-08-23 88 case PHY_INTERFACE_MODE_RGMII_RXID: 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 89 case PHY_INTERFACE_MODE_RGMII_TXID: 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 90 gmac->phy_intf_sel = GMAC_CONFIG_INTF_RGMII; 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 91 break; 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 92 default: 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 93 dev_err(&pdev->dev, "Unsupported phy-mode (%d)\n", 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 @94 phy_mode); 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 95 return ERR_PTR(-ENOTSUPP); 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 96 } 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 97 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 98 return gmac; 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 99 } 2d1611aff3f22a5 Alexandru Gagniuc 2017-08-04 100 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
