Hi Martin, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 7fd22855300e693668c3397771b3a2b3948f827a commit: 3df5d0d972893d3c0df5aead8152fe1ad48ef45c [2514/4430] ASoC: apple: mca: Start new platform driver config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220901/202209011158.y3NxLR81-lkp@xxxxxxxxx/config) compiler: sh4-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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=3df5d0d972893d3c0df5aead8152fe1ad48ef45c 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 3df5d0d972893d3c0df5aead8152fe1ad48ef45c # 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=sh SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/clk/clk.c:867:6: error: redefinition of 'clk_unprepare' 867 | void clk_unprepare(struct clk *clk) | ^~~~~~~~~~~~~ In file included from drivers/clk/clk.c:9: include/linux/clk.h:303:20: note: previous definition of 'clk_unprepare' with type 'void(struct clk *)' 303 | static inline void clk_unprepare(struct clk *clk) | ^~~~~~~~~~~~~ >> drivers/clk/clk.c:948:5: error: redefinition of 'clk_prepare' 948 | int clk_prepare(struct clk *clk) | ^~~~~~~~~~~ include/linux/clk.h:271:19: note: previous definition of 'clk_prepare' with type 'int(struct clk *)' 271 | static inline int clk_prepare(struct clk *clk) | ^~~~~~~~~~~ >> drivers/clk/clk.c:1194:6: error: redefinition of 'clk_is_enabled_when_prepared' 1194 | bool clk_is_enabled_when_prepared(struct clk *clk) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/clk.h:284:20: note: previous definition of 'clk_is_enabled_when_prepared' with type 'bool(struct clk *)' {aka '_Bool(struct clk *)'} 284 | static inline bool clk_is_enabled_when_prepared(struct clk *clk) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for COMMON_CLK Depends on [n]: !HAVE_LEGACY_CLK [=y] Selected by [m]: - SND_SOC_APPLE_MCA [=m] && SOUND [=m] && !UML && SND [=m] && SND_SOC [=m] && (ARCH_APPLE || COMPILE_TEST [=y]) vim +/clk_unprepare +867 drivers/clk/clk.c a6adc30ba7bef8 Dong Aisheng 2016-06-30 855 4dff95dc9477a3 Stephen Boyd 2015-04-30 856 /** 4dff95dc9477a3 Stephen Boyd 2015-04-30 857 * clk_unprepare - undo preparation of a clock source 4dff95dc9477a3 Stephen Boyd 2015-04-30 858 * @clk: the clk being unprepared 4dff95dc9477a3 Stephen Boyd 2015-04-30 859 * 4dff95dc9477a3 Stephen Boyd 2015-04-30 860 * clk_unprepare may sleep, which differentiates it from clk_disable. In a 4dff95dc9477a3 Stephen Boyd 2015-04-30 861 * simple case, clk_unprepare can be used instead of clk_disable to gate a clk 4dff95dc9477a3 Stephen Boyd 2015-04-30 862 * if the operation may sleep. One example is a clk which is accessed over 4dff95dc9477a3 Stephen Boyd 2015-04-30 863 * I2c. In the complex case a clk gate operation may require a fast and a slow 4dff95dc9477a3 Stephen Boyd 2015-04-30 864 * part. It is this reason that clk_unprepare and clk_disable are not mutually 4dff95dc9477a3 Stephen Boyd 2015-04-30 865 * exclusive. In fact clk_disable must be called before clk_unprepare. 4dff95dc9477a3 Stephen Boyd 2015-04-30 866 */ 4dff95dc9477a3 Stephen Boyd 2015-04-30 @867 void clk_unprepare(struct clk *clk) b2476490ef1113 Mike Turquette 2012-03-15 868 { 4dff95dc9477a3 Stephen Boyd 2015-04-30 869 if (IS_ERR_OR_NULL(clk)) 4dff95dc9477a3 Stephen Boyd 2015-04-30 870 return; b2476490ef1113 Mike Turquette 2012-03-15 871 a6adc30ba7bef8 Dong Aisheng 2016-06-30 872 clk_core_unprepare_lock(clk->core); 1e435256d625c2 Olof Johansson 2013-04-27 873 } 4dff95dc9477a3 Stephen Boyd 2015-04-30 874 EXPORT_SYMBOL_GPL(clk_unprepare); 1e435256d625c2 Olof Johansson 2013-04-27 875 4dff95dc9477a3 Stephen Boyd 2015-04-30 876 static int clk_core_prepare(struct clk_core *core) 4dff95dc9477a3 Stephen Boyd 2015-04-30 877 { 4dff95dc9477a3 Stephen Boyd 2015-04-30 878 int ret = 0; b2476490ef1113 Mike Turquette 2012-03-15 879 a63347251907d7 Stephen Boyd 2015-05-06 880 lockdep_assert_held(&prepare_lock); a63347251907d7 Stephen Boyd 2015-05-06 881 4dff95dc9477a3 Stephen Boyd 2015-04-30 882 if (!core) 4dff95dc9477a3 Stephen Boyd 2015-04-30 883 return 0; b2476490ef1113 Mike Turquette 2012-03-15 884 4dff95dc9477a3 Stephen Boyd 2015-04-30 885 if (core->prepare_count == 0) { 9a34b45397e5a3 Marek Szyprowski 2017-08-21 886 ret = clk_pm_runtime_get(core); 4dff95dc9477a3 Stephen Boyd 2015-04-30 887 if (ret) 4dff95dc9477a3 Stephen Boyd 2015-04-30 888 return ret; b2476490ef1113 Mike Turquette 2012-03-15 889 9a34b45397e5a3 Marek Szyprowski 2017-08-21 890 ret = clk_core_prepare(core->parent); 9a34b45397e5a3 Marek Szyprowski 2017-08-21 891 if (ret) 9a34b45397e5a3 Marek Szyprowski 2017-08-21 892 goto runtime_put; 9a34b45397e5a3 Marek Szyprowski 2017-08-21 893 4dff95dc9477a3 Stephen Boyd 2015-04-30 894 trace_clk_prepare(core); 1c155b3dfe0835 Ulf Hansson 2013-03-12 895 4dff95dc9477a3 Stephen Boyd 2015-04-30 896 if (core->ops->prepare) 4dff95dc9477a3 Stephen Boyd 2015-04-30 897 ret = core->ops->prepare(core->hw); 1c155b3dfe0835 Ulf Hansson 2013-03-12 898 4dff95dc9477a3 Stephen Boyd 2015-04-30 899 trace_clk_prepare_complete(core); b2476490ef1113 Mike Turquette 2012-03-15 900 9a34b45397e5a3 Marek Szyprowski 2017-08-21 901 if (ret) 9a34b45397e5a3 Marek Szyprowski 2017-08-21 902 goto unprepare; b2476490ef1113 Mike Turquette 2012-03-15 903 } b2476490ef1113 Mike Turquette 2012-03-15 904 4dff95dc9477a3 Stephen Boyd 2015-04-30 905 core->prepare_count++; b2476490ef1113 Mike Turquette 2012-03-15 906 9461f7b33d11cb Jerome Brunet 2018-06-19 907 /* 9461f7b33d11cb Jerome Brunet 2018-06-19 908 * CLK_SET_RATE_GATE is a special case of clock protection 9461f7b33d11cb Jerome Brunet 2018-06-19 909 * Instead of a consumer claiming exclusive rate control, it is 9461f7b33d11cb Jerome Brunet 2018-06-19 910 * actually the provider which prevents any consumer from making any 9461f7b33d11cb Jerome Brunet 2018-06-19 911 * operation which could result in a rate change or rate glitch while 9461f7b33d11cb Jerome Brunet 2018-06-19 912 * the clock is prepared. 9461f7b33d11cb Jerome Brunet 2018-06-19 913 */ 9461f7b33d11cb Jerome Brunet 2018-06-19 914 if (core->flags & CLK_SET_RATE_GATE) 9461f7b33d11cb Jerome Brunet 2018-06-19 915 clk_core_rate_protect(core); 9461f7b33d11cb Jerome Brunet 2018-06-19 916 4dff95dc9477a3 Stephen Boyd 2015-04-30 917 return 0; 9a34b45397e5a3 Marek Szyprowski 2017-08-21 918 unprepare: 9a34b45397e5a3 Marek Szyprowski 2017-08-21 919 clk_core_unprepare(core->parent); 9a34b45397e5a3 Marek Szyprowski 2017-08-21 920 runtime_put: 9a34b45397e5a3 Marek Szyprowski 2017-08-21 921 clk_pm_runtime_put(core); 9a34b45397e5a3 Marek Szyprowski 2017-08-21 922 return ret; b2476490ef1113 Mike Turquette 2012-03-15 923 } b2476490ef1113 Mike Turquette 2012-03-15 924 a6adc30ba7bef8 Dong Aisheng 2016-06-30 925 static int clk_core_prepare_lock(struct clk_core *core) a6adc30ba7bef8 Dong Aisheng 2016-06-30 926 { a6adc30ba7bef8 Dong Aisheng 2016-06-30 927 int ret; a6adc30ba7bef8 Dong Aisheng 2016-06-30 928 a6adc30ba7bef8 Dong Aisheng 2016-06-30 929 clk_prepare_lock(); a6adc30ba7bef8 Dong Aisheng 2016-06-30 930 ret = clk_core_prepare(core); a6adc30ba7bef8 Dong Aisheng 2016-06-30 931 clk_prepare_unlock(); a6adc30ba7bef8 Dong Aisheng 2016-06-30 932 a6adc30ba7bef8 Dong Aisheng 2016-06-30 933 return ret; a6adc30ba7bef8 Dong Aisheng 2016-06-30 934 } a6adc30ba7bef8 Dong Aisheng 2016-06-30 935 4dff95dc9477a3 Stephen Boyd 2015-04-30 936 /** 4dff95dc9477a3 Stephen Boyd 2015-04-30 937 * clk_prepare - prepare a clock source 4dff95dc9477a3 Stephen Boyd 2015-04-30 938 * @clk: the clk being prepared 4dff95dc9477a3 Stephen Boyd 2015-04-30 939 * 4dff95dc9477a3 Stephen Boyd 2015-04-30 940 * clk_prepare may sleep, which differentiates it from clk_enable. In a simple 4dff95dc9477a3 Stephen Boyd 2015-04-30 941 * case, clk_prepare can be used instead of clk_enable to ungate a clk if the 4dff95dc9477a3 Stephen Boyd 2015-04-30 942 * operation may sleep. One example is a clk which is accessed over I2c. In 4dff95dc9477a3 Stephen Boyd 2015-04-30 943 * the complex case a clk ungate operation may require a fast and a slow part. 4dff95dc9477a3 Stephen Boyd 2015-04-30 944 * It is this reason that clk_prepare and clk_enable are not mutually 4dff95dc9477a3 Stephen Boyd 2015-04-30 945 * exclusive. In fact clk_prepare must be called before clk_enable. 4dff95dc9477a3 Stephen Boyd 2015-04-30 946 * Returns 0 on success, -EERROR otherwise. 4dff95dc9477a3 Stephen Boyd 2015-04-30 947 */ 4dff95dc9477a3 Stephen Boyd 2015-04-30 @948 int clk_prepare(struct clk *clk) b2476490ef1113 Mike Turquette 2012-03-15 949 { 035a61c314eb3d Tomeu Vizoso 2015-01-23 950 if (!clk) 4dff95dc9477a3 Stephen Boyd 2015-04-30 951 return 0; 035a61c314eb3d Tomeu Vizoso 2015-01-23 952 a6adc30ba7bef8 Dong Aisheng 2016-06-30 953 return clk_core_prepare_lock(clk->core); 7ef3dcc8145263 James Hogan 2013-07-29 954 } 4dff95dc9477a3 Stephen Boyd 2015-04-30 955 EXPORT_SYMBOL_GPL(clk_prepare); 035a61c314eb3d Tomeu Vizoso 2015-01-23 956 :::::: The code at line 867 was first introduced by commit :::::: 4dff95dc9477a34de77d24c59dcf1dc593687fcf clk: Remove forward declared function prototypes :::::: TO: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> :::::: CC: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp
