Hi Kunihiko, I love your patch! Yet something to improve: [auto build test ERROR on robh/for-next] [also build test ERROR on linus/master v5.15-rc5 next-20211015] [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/Kunihiko-Hayashi/phy-socionext-I... base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: riscv-randconfig-r042-20211018 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d245f2e8597bfb52c34810a328d42b990e4af1a4) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/a3f73681b86f6da2c6617b1f3baf5d046... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Kunihiko-Hayashi/phy-socionext-Introduce-some-features-for-UniPhier-SoCs/20211018-093816 git checkout a3f73681b86f6da2c6617b1f3baf5d046582d33d # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/phy/socionext/ 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 >>): FIELD_PREP(VCOPLL_CLMP, VCOPLL_CLMP_VAL)); ^ drivers/phy/socionext/phy-uniphier-pcie.c:95:13: note: 'uniphier_pciephy_set_param' declared here static void uniphier_pciephy_set_param(struct uniphier_pciephy_priv *priv, ^ 1 error generated. vim +181 drivers/phy/socionext/phy-uniphier-pcie.c c6d9b132415951 Kunihiko Hayashi 2018-09-05 140 c6d9b132415951 Kunihiko Hayashi 2018-09-05 141 static int uniphier_pciephy_init(struct phy *phy) c6d9b132415951 Kunihiko Hayashi 2018-09-05 142 { c6d9b132415951 Kunihiko Hayashi 2018-09-05 143 struct uniphier_pciephy_priv *priv = phy_get_drvdata(phy); 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 144 u32 val; a3f73681b86f6d Kunihiko Hayashi 2021-10-18 145 int ret, id; c6d9b132415951 Kunihiko Hayashi 2018-09-05 146 c6d9b132415951 Kunihiko Hayashi 2018-09-05 147 ret = clk_prepare_enable(priv->clk); c6d9b132415951 Kunihiko Hayashi 2018-09-05 148 if (ret) c6d9b132415951 Kunihiko Hayashi 2018-09-05 149 return ret; c6d9b132415951 Kunihiko Hayashi 2018-09-05 150 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 151 ret = clk_prepare_enable(priv->clk_gio); c6d9b132415951 Kunihiko Hayashi 2018-09-05 152 if (ret) c6d9b132415951 Kunihiko Hayashi 2018-09-05 153 goto out_clk_disable; c6d9b132415951 Kunihiko Hayashi 2018-09-05 154 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 155 ret = reset_control_deassert(priv->rst); 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 156 if (ret) 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 157 goto out_clk_gio_disable; 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 158 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 159 ret = reset_control_deassert(priv->rst_gio); 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 160 if (ret) 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 161 goto out_rst_assert; 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 162 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 163 /* support only 1 port */ 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 164 val = readl(priv->base + PCL_PHY_CLKCTRL); 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 165 val &= ~PORT_SEL_MASK; 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 166 val |= PORT_SEL_1; 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 167 writel(val, priv->base + PCL_PHY_CLKCTRL); 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 168 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 169 /* legacy controller doesn't have phy_reset and parameters */ 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 170 if (priv->data->is_legacy) 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 171 return 0; 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 172 a3f73681b86f6d Kunihiko Hayashi 2021-10-18 173 for (id = 0; id < (priv->data->is_dual_phy ? 2 : 1); id++) { a3f73681b86f6d Kunihiko Hayashi 2021-10-18 174 uniphier_pciephy_set_param(priv, id, PCL_PHY_R00, c6d9b132415951 Kunihiko Hayashi 2018-09-05 175 RX_EQ_ADJ_EN, RX_EQ_ADJ_EN); a3f73681b86f6d Kunihiko Hayashi 2021-10-18 176 uniphier_pciephy_set_param(priv, id, PCL_PHY_R06, RX_EQ_ADJ, c6d9b132415951 Kunihiko Hayashi 2018-09-05 177 FIELD_PREP(RX_EQ_ADJ, RX_EQ_ADJ_VAL)); a3f73681b86f6d Kunihiko Hayashi 2021-10-18 178 uniphier_pciephy_set_param(priv, id, PCL_PHY_R26, VCO_CTRL, c6d9b132415951 Kunihiko Hayashi 2018-09-05 179 FIELD_PREP(VCO_CTRL, VCO_CTRL_INIT_VAL)); 27db30df224a79 Kunihiko Hayashi 2021-10-18 180 uniphier_pciephy_set_param(priv, PCL_PHY_R28, VCOPLL_CLMP, 27db30df224a79 Kunihiko Hayashi 2021-10-18 @181 FIELD_PREP(VCOPLL_CLMP, VCOPLL_CLMP_VAL)); a3f73681b86f6d Kunihiko Hayashi 2021-10-18 182 } c6d9b132415951 Kunihiko Hayashi 2018-09-05 183 usleep_range(1, 10); c6d9b132415951 Kunihiko Hayashi 2018-09-05 184 c6d9b132415951 Kunihiko Hayashi 2018-09-05 185 uniphier_pciephy_deassert(priv); c6d9b132415951 Kunihiko Hayashi 2018-09-05 186 usleep_range(1, 10); c6d9b132415951 Kunihiko Hayashi 2018-09-05 187 c6d9b132415951 Kunihiko Hayashi 2018-09-05 188 return 0; c6d9b132415951 Kunihiko Hayashi 2018-09-05 189 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 190 out_rst_assert: 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 191 reset_control_assert(priv->rst); 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 192 out_clk_gio_disable: 04de8fa202e6d5 Kunihiko Hayashi 2020-01-30 193 clk_disable_unprepare(priv->clk_gio); c6d9b132415951 Kunihiko Hayashi 2018-09-05 194 out_clk_disable: c6d9b132415951 Kunihiko Hayashi 2018-09-05 195 clk_disable_unprepare(priv->clk); c6d9b132415951 Kunihiko Hayashi 2018-09-05 196 c6d9b132415951 Kunihiko Hayashi 2018-09-05 197 return ret; c6d9b132415951 Kunihiko Hayashi 2018-09-05 198 } c6d9b132415951 Kunihiko Hayashi 2018-09-05 199 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org