Hi Vidya, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on helgaas-pci/next] [also build test WARNING on tegra/for-next linus/master v6.0-rc6 next-20220919] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Vidya-Sagar/Enhancements-to-pcie-tegra194-driver/20220919-224101 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20220920/202209200038.mZZFPD7g-lkp@xxxxxxxxx/config) compiler: ia64-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/3b12c1aea8ddaae70567a332fc676c76076bf624 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Vidya-Sagar/Enhancements-to-pcie-tegra194-driver/20220919-224101 git checkout 3b12c1aea8ddaae70567a332fc676c76076bf624 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/phy/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/phy/tegra/phy-tegra194-p2u.c:89:5: warning: no previous prototype for 'tegra_p2u_calibrate' [-Wmissing-prototypes] 89 | int tegra_p2u_calibrate(struct phy *x) | ^~~~~~~~~~~~~~~~~~~ vim +/tegra_p2u_calibrate +89 drivers/phy/tegra/phy-tegra194-p2u.c 88 > 89 int tegra_p2u_calibrate(struct phy *x) 90 { 91 struct tegra_p2u *phy = phy_get_drvdata(x); 92 u32 val; 93 94 val = p2u_readl(phy, P2U_CONTROL_CMN); 95 val |= P2U_CONTROL_CMN_ENABLE_L2_EXIT_RATE_CHANGE; 96 p2u_writel(phy, val, P2U_CONTROL_CMN); 97 98 return 0; 99 } 100 -- 0-DAY CI Kernel Test Service https://01.org/lkp
