On Tue, Nov 24, 2020 at 8:34 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: d9137320ac06f526fe3f9a3fdf07a3b14201068a > commit: b8ba904503311036dfeb758d81ef8d1be37cb8fc [2224/7715] remoteproc/mtk_scp: surround DT device IDs with CONFIG_OF > config: arm-randconfig-r003-20201124 (attached as .config) > compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project df9ae5992889560a8f3c6760b54d5051b47c7bf5) > 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 arm cross compiling tool for clang build > # apt-get install binutils-arm-linux-gnueabi > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b8ba904503311036dfeb758d81ef8d1be37cb8fc > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout b8ba904503311036dfeb758d81ef8d1be37cb8fc > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> drivers/remoteproc/mtk_scp.c:755:37: warning: unused variable 'mt8183_of_data' [-Wunused-const-variable] > static const struct mtk_scp_of_data mt8183_of_data = { > ^ > >> drivers/remoteproc/mtk_scp.c:765:37: warning: unused variable 'mt8192_of_data' [-Wunused-const-variable] > static const struct mtk_scp_of_data mt8192_of_data = { > ^ > 2 warnings generated. These 2 variables are used when CONFIG_OF is defined and CONFIG_OF is not enabled in the attached config file. So mt8183_of_data & mt8192_of_data need to move under CONFIG_OF. I will post a patch. > > vim +/mt8183_of_data +755 drivers/remoteproc/mtk_scp.c > > 63c13d61eafe460 Erin Lo 2019-11-12 754 > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 @755 static const struct mtk_scp_of_data mt8183_of_data = { > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 756 .scp_before_load = mt8183_scp_before_load, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 757 .scp_irq_handler = mt8183_scp_irq_handler, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 758 .scp_reset_assert = mt8183_scp_reset_assert, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 759 .scp_reset_deassert = mt8183_scp_reset_deassert, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 760 .scp_stop = mt8183_scp_stop, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 761 .host_to_scp_reg = MT8183_HOST_TO_SCP, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 762 .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 763 }; > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 764 > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 @765 static const struct mtk_scp_of_data mt8192_of_data = { > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 766 .scp_before_load = mt8192_scp_before_load, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 767 .scp_irq_handler = mt8192_scp_irq_handler, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 768 .scp_reset_assert = mt8192_scp_reset_assert, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 769 .scp_reset_deassert = mt8192_scp_reset_deassert, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 770 .scp_stop = mt8192_scp_stop, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 771 .host_to_scp_reg = MT8192_GIPC_IN_SET, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 772 .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 773 }; > fd0b6c1ff85a489 Pi-Hsun Shih 2020-09-21 774 > > :::::: The code at line 755 was first introduced by commit > :::::: fd0b6c1ff85a489bcf1bcf58af64da1aeffd39f0 remoteproc/mediatek: Add support for mt8192 SCP > > :::::: TO: Pi-Hsun Shih <pihsun@xxxxxxxxxxxx> > :::::: CC: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
