tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 61556703b610a104de324e4f061dc6cf7b218b46 commit: 0ff25c99042a56cd1580b381dd747a56286489cd opp: Allow opp-supported-hw to contain multiple versions date: 5 months ago config: powerpc64-randconfig-r025-20210205 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ff25c99042a56cd1580b381dd747a56286489cd git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 0ff25c99042a56cd1580b381dd747a56286489cd # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All warnings (new ones prefixed by >>): >> drivers/opp/of.c:842:12: warning: stack frame size of 2064 bytes in function >> '_of_add_opp_table_v2' [-Wframe-larger-than=] static int _of_add_opp_table_v2(struct device *dev, struct opp_table *opp_table) ^ 1 warning generated. vim +/_of_add_opp_table_v2 +842 drivers/opp/of.c f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 840 f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 841 /* Initializes OPP tables based on new bindings */ 5ed4cecd75e902 drivers/opp/of.c Viresh Kumar 2018-09-12 @842 static int _of_add_opp_table_v2(struct device *dev, struct opp_table *opp_table) f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 843 { f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 844 struct device_node *np; 283d55e68d8a0f drivers/opp/of.c Viresh Kumar 2018-09-07 845 int ret, count = 0, pstate_count = 0; 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 846 struct dev_pm_opp *opp; f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 847 283d55e68d8a0f drivers/opp/of.c Viresh Kumar 2018-09-07 848 /* OPP table is already initialized for the device */ 03758d60265c77 drivers/opp/of.c Viresh Kumar 2019-11-11 849 mutex_lock(&opp_table->lock); cdd6ed90cdb6c2 drivers/opp/of.c Viresh Kumar 2018-09-12 850 if (opp_table->parsed_static_opps) { 03758d60265c77 drivers/opp/of.c Viresh Kumar 2019-11-11 851 opp_table->parsed_static_opps++; 03758d60265c77 drivers/opp/of.c Viresh Kumar 2019-11-11 852 mutex_unlock(&opp_table->lock); cdd6ed90cdb6c2 drivers/opp/of.c Viresh Kumar 2018-09-12 853 return 0; cdd6ed90cdb6c2 drivers/opp/of.c Viresh Kumar 2018-09-12 854 } f06ed90e7051a3 drivers/opp/of.c Viresh Kumar 2018-06-14 855 03758d60265c77 drivers/opp/of.c Viresh Kumar 2019-11-11 856 opp_table->parsed_static_opps = 1; 03758d60265c77 drivers/opp/of.c Viresh Kumar 2019-11-11 857 mutex_unlock(&opp_table->lock); b19c23551be8de drivers/opp/of.c Viresh Kumar 2019-10-18 858 f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 859 /* We have opp-table node now, iterate over it and add OPPs */ 5ed4cecd75e902 drivers/opp/of.c Viresh Kumar 2018-09-12 860 for_each_available_child_of_node(opp_table->np, np) { deac8703da5faa drivers/opp/of.c Dave Gerlach 2018-10-03 861 opp = _opp_add_static_v2(opp_table, dev, np); deac8703da5faa drivers/opp/of.c Dave Gerlach 2018-10-03 862 if (IS_ERR(opp)) { deac8703da5faa drivers/opp/of.c Dave Gerlach 2018-10-03 863 ret = PTR_ERR(opp); f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 864 dev_err(dev, "%s: Failed to add OPP, %d\n", __func__, f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 865 ret); 7978db344719da drivers/opp/of.c Tobias Jordan 2017-10-04 866 of_node_put(np); 03758d60265c77 drivers/opp/of.c Viresh Kumar 2019-11-11 867 goto remove_static_opp; deac8703da5faa drivers/opp/of.c Dave Gerlach 2018-10-03 868 } else if (opp) { deac8703da5faa drivers/opp/of.c Dave Gerlach 2018-10-03 869 count++; f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 870 } f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 871 } f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 872 f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 873 /* There should be one of more OPP defined */ ba0033192145cb drivers/opp/of.c Viresh Kumar 2019-11-18 874 if (WARN_ON(!count)) { ba0033192145cb drivers/opp/of.c Viresh Kumar 2019-11-18 875 ret = -ENOENT; 03758d60265c77 drivers/opp/of.c Viresh Kumar 2019-11-11 876 goto remove_static_opp; ba0033192145cb drivers/opp/of.c Viresh Kumar 2019-11-18 877 } f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 878 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 879 list_for_each_entry(opp, &opp_table->opp_list, node) 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 880 pstate_count += !!opp->pstate; 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 881 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 882 /* Either all or none of the nodes shall have performance state set */ 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 883 if (pstate_count && pstate_count != count) { 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 884 dev_err(dev, "Not all nodes have performance state set (%d: %d)\n", 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 885 count, pstate_count); ba0033192145cb drivers/opp/of.c Viresh Kumar 2019-11-18 886 ret = -ENOENT; 03758d60265c77 drivers/opp/of.c Viresh Kumar 2019-11-11 887 goto remove_static_opp; 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 888 } 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 889 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 890 if (pstate_count) 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 891 opp_table->genpd_performance_state = true; 3ba98324e81add drivers/opp/of.c Viresh Kumar 2016-11-18 892 cdd6ed90cdb6c2 drivers/opp/of.c Viresh Kumar 2018-09-12 893 return 0; ba0033192145cb drivers/opp/of.c Viresh Kumar 2019-11-18 894 03758d60265c77 drivers/opp/of.c Viresh Kumar 2019-11-11 895 remove_static_opp: 03758d60265c77 drivers/opp/of.c Viresh Kumar 2019-11-11 896 _opp_remove_all_static(opp_table); ba0033192145cb drivers/opp/of.c Viresh Kumar 2019-11-18 897 ba0033192145cb drivers/opp/of.c Viresh Kumar 2019-11-18 898 return ret; f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 899 } f47b72a15a9679 drivers/base/power/opp/of.c Viresh Kumar 2016-05-05 900 :::::: The code at line 842 was first introduced by commit :::::: 5ed4cecd75e90232a19afa502cf477925854561e OPP: Pass OPP table to _of_add_opp_table_v{1|2}() :::::: TO: Viresh Kumar <[email protected]> :::::: CC: Viresh Kumar <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
