Hi Pratyush, I love your patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v5.16 next-20220121] [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/Pratyush-Yadav/Rx-mode-support-f... base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220121/202201211916.mtjEWmKi-lk...) compiler: m68k-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/a27020695f773ffff7f462e53f7ff7ca3... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Pratyush-Yadav/Rx-mode-support-for-Cadence-DPHY/20220121-174104 git checkout a27020695f773ffff7f462e53f7ff7ca39109cd0 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash drivers/phy/cadence/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/device.h:15, from include/linux/phy/phy.h:15, from drivers/phy/cadence/cdns-dphy-rx.c:11: drivers/phy/cadence/cdns-dphy-rx.c: In function 'cdns_dphy_rx_probe': 223 | dev_err(dev, "Failed to create PHY: %d\n", PTR_ERR(dphy->phy)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt' 144 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/phy/cadence/cdns-dphy-rx.c:223:17: note: in expansion of macro 'dev_err' 223 | dev_err(dev, "Failed to create PHY: %d\n", PTR_ERR(dphy->phy)); | ^~~~~~~ drivers/phy/cadence/cdns-dphy-rx.c:223:54: note: format string is defined here 223 | dev_err(dev, "Failed to create PHY: %d\n", PTR_ERR(dphy->phy)); | ~^ | | | int | %ld In file included from include/linux/device.h:15, from include/linux/phy/phy.h:15, from drivers/phy/cadence/cdns-dphy-rx.c:11: drivers/phy/cadence/cdns-dphy-rx.c:230:30: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long int' [-Wformat=] 230 | dev_err(dev, "Failed to register PHY provider: %d\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt' 144 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/phy/cadence/cdns-dphy-rx.c:230:17: note: in expansion of macro 'dev_err' 230 | dev_err(dev, "Failed to register PHY provider: %d\n", | ^~~~~~~ drivers/phy/cadence/cdns-dphy-rx.c:230:65: note: format string is defined here 230 | dev_err(dev, "Failed to register PHY provider: %d\n", | ~^ | | | int | %ld vim +223 drivers/phy/cadence/cdns-dphy-rx.c 203 204 static int cdns_dphy_rx_probe(struct platform_device *pdev) 205 { 206 struct device *dev = &pdev->dev; 207 struct phy_provider *provider; 208 struct cdns_dphy_rx *dphy; 209 210 dphy = devm_kzalloc(dev, sizeof(*dphy), GFP_KERNEL); 211 if (!dphy) 212 return -ENOMEM; 213 214 dev_set_drvdata(dev, dphy); 215 dphy->dev = dev; 216 217 dphy->regs = devm_platform_ioremap_resource(pdev, 0); 218 if (IS_ERR(dphy->regs)) 219 return PTR_ERR(dphy->regs); 220 221 dphy->phy = devm_phy_create(dev, NULL, &cdns_dphy_rx_ops); 222 if (IS_ERR(dphy->phy)) { 224 return PTR_ERR(dphy->phy); 225 } 226 227 phy_set_drvdata(dphy->phy, dphy); 228 provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); 229 if (IS_ERR(provider)) { 230 dev_err(dev, "Failed to register PHY provider: %d\n", 231 PTR_ERR(provider)); 232 return PTR_ERR(provider); 233 } 234 235 return 0; 236 } 237 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org