Hi Akshu, Thank you for the patch! Yet something to improve: [auto build test ERROR on pm/linux-next] [also build test ERROR on linus/master v5.8-rc4 next-20200707] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Akshu-Agrawal/ACPI-APD-Change-name-from-ST-to-FCH/20200707-180843 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: x86_64-randconfig-a006-20200707 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 02946de3802d3bc65bc9f2eb9b8d4969b5a7add8) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/clk/x86/clk-st.c:11:10: fatal error: 'linux/platform_data/clk-st.h' file not found #include ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +11 drivers/clk/x86/clk-st.c 421bf6a1f061a6 Akshu Agrawal 2018-05-09 @11 #include 421bf6a1f061a6 Akshu Agrawal 2018-05-09 12 #include 421bf6a1f061a6 Akshu Agrawal 2018-05-09 13 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org