Hi Mauro, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.14-rc6 next-20210818] [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/Mauro-Carvalho-Chehab/phy-HiSili... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 614cb2751d3150850d459bee596c397f344a7936 config: ia64-allmodconfig (attached as .config) compiler: ia64-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/90e806228f10f8375d808f4813c6ea64a... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mauro-Carvalho-Chehab/phy-HiSilicon-Add-driver-for-Kirin-970-PCIe-PHY/20210818-190539 git checkout 90e806228f10f8375d808f4813c6ea64aaa91a2a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/phy/hisilicon/phy-hi3670-pcie.c: In function 'hi3670_pcie_set_eyeparam': 257 | val |= FIELD_PREP(EYE_PARM1_MASK, phy->eye_param[1]); | ^~~~~~~~~~ cc1: some warnings being treated as errors vim +/FIELD_PREP +257 drivers/phy/hisilicon/phy-hi3670-pcie.c 248 249 static void hi3670_pcie_set_eyeparam(struct hi3670_pcie_phy *phy) 250 { 251 u32 val; 252 253 val = kirin_apb_natural_phy_readl(phy, RAWLANEN_DIG_PCS_XF_TX_OVRD_IN_1); 254 255 if (phy->eye_param[1] != EYEPARAM_NOCFG) { 256 val &= ~EYE_PARM1_MASK; 258 val |= EYE_PARM1_EN; 259 } 260 kirin_apb_natural_phy_writel(phy, val, 261 RAWLANEN_DIG_PCS_XF_TX_OVRD_IN_1); 262 263 val = kirin_apb_natural_phy_readl(phy, LANEN_DIG_ASIC_TX_OVRD_IN_2); 264 val &= ~(EYE_PARM2_MASK | EYE_PARM3_MASK); 265 if (phy->eye_param[2] != EYEPARAM_NOCFG) { 266 val |= FIELD_PREP(EYE_PARM2_MASK, phy->eye_param[2]); 267 val |= EYE_PARM2_EN; 268 } 269 270 if (phy->eye_param[3] != EYEPARAM_NOCFG) { 271 val |= FIELD_PREP(EYE_PARM3_MASK, phy->eye_param[3]); 272 val |= EYE_PARM3_EN; 273 } 274 275 kirin_apb_natural_phy_writel(phy, val, LANEN_DIG_ASIC_TX_OVRD_IN_2); 276 277 val = kirin_apb_natural_phy_readl(phy, SUP_DIG_LVL_OVRD_IN); 278 if (phy->eye_param[0] != EYEPARAM_NOCFG) { 279 val &= ~EYE_PARM0_MASK; 280 val |= FIELD_PREP(EYE_PARM0_MASK, phy->eye_param[0]); 281 val |= EYE_PARM0_EN; 282 } 283 kirin_apb_natural_phy_writel(phy, val, SUP_DIG_LVL_OVRD_IN); 284 285 val = kirin_apb_natural_phy_readl(phy, LANEN_DIG_ASIC_TX_OVRD_IN_1); 286 if (phy->eye_param[4] != EYEPARAM_NOCFG) { 287 val &= ~EYE_PARM4_MASK; 288 val |= FIELD_PREP(EYE_PARM4_MASK, phy->eye_param[4]); 289 val |= EYE_PARM4_EN; 290 } 291 kirin_apb_natural_phy_writel(phy, val, LANEN_DIG_ASIC_TX_OVRD_IN_1); 292 } 293 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org