tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 451cc82bd11eb6a374f4dbcfc1cf007eafea91ab commit: 657c45b303f87d77eb4ef49e9452f1c5d1fc363c [3825/5027] MIPS: Explicitly include correct DT includes config: mips-randconfig-r022-20230727 (https://download.01.org/0day-ci/archive/20230728/202307280212.w1lY1gCG-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230728/202307280212.w1lY1gCG-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202307280212.w1lY1gCG-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> arch/mips/pic32/pic32mzda/config.c:22:8: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int] 22 | static DEFINE_SPINLOCK(config_lock); | ~~~~~~ ^ | int >> arch/mips/pic32/pic32mzda/config.c:22:24: error: a parameter list without types is only allowed in a function definition 22 | static DEFINE_SPINLOCK(config_lock); | ^ >> arch/mips/pic32/pic32mzda/config.c:41:2: error: call to undeclared function 'spin_lock_irqsave'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 41 | spin_lock_irqsave(&config_lock, flags); | ^ >> arch/mips/pic32/pic32mzda/config.c:41:21: error: use of undeclared identifier 'config_lock' 41 | spin_lock_irqsave(&config_lock, flags); | ^ >> arch/mips/pic32/pic32mzda/config.c:46:2: error: call to undeclared function 'spin_unlock_irqrestore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 46 | spin_unlock_irqrestore(&config_lock, flags); | ^ arch/mips/pic32/pic32mzda/config.c:46:26: error: use of undeclared identifier 'config_lock' 46 | spin_unlock_irqrestore(&config_lock, flags); | ^ 6 errors generated. vim +/int +22 arch/mips/pic32/pic32mzda/config.c 2572f00db8a68bb Joshua Henderson 2016-01-13 20 2572f00db8a68bb Joshua Henderson 2016-01-13 21 static void __iomem *pic32_conf_base; 2572f00db8a68bb Joshua Henderson 2016-01-13 @22 static DEFINE_SPINLOCK(config_lock); 2572f00db8a68bb Joshua Henderson 2016-01-13 23 static u32 pic32_reset_status; 2572f00db8a68bb Joshua Henderson 2016-01-13 24 2572f00db8a68bb Joshua Henderson 2016-01-13 25 static u32 pic32_conf_get_reg_field(u32 offset, u32 rshift, u32 mask) 2572f00db8a68bb Joshua Henderson 2016-01-13 26 { 2572f00db8a68bb Joshua Henderson 2016-01-13 27 u32 v; 2572f00db8a68bb Joshua Henderson 2016-01-13 28 2572f00db8a68bb Joshua Henderson 2016-01-13 29 v = readl(pic32_conf_base + offset); 2572f00db8a68bb Joshua Henderson 2016-01-13 30 v >>= rshift; 2572f00db8a68bb Joshua Henderson 2016-01-13 31 v &= mask; 2572f00db8a68bb Joshua Henderson 2016-01-13 32 2572f00db8a68bb Joshua Henderson 2016-01-13 33 return v; 2572f00db8a68bb Joshua Henderson 2016-01-13 34 } 2572f00db8a68bb Joshua Henderson 2016-01-13 35 2572f00db8a68bb Joshua Henderson 2016-01-13 36 static u32 pic32_conf_modify_atomic(u32 offset, u32 mask, u32 set) 2572f00db8a68bb Joshua Henderson 2016-01-13 37 { 2572f00db8a68bb Joshua Henderson 2016-01-13 38 u32 v; 2572f00db8a68bb Joshua Henderson 2016-01-13 39 unsigned long flags; 2572f00db8a68bb Joshua Henderson 2016-01-13 40 2572f00db8a68bb Joshua Henderson 2016-01-13 @41 spin_lock_irqsave(&config_lock, flags); 2572f00db8a68bb Joshua Henderson 2016-01-13 42 v = readl(pic32_conf_base + offset); 2572f00db8a68bb Joshua Henderson 2016-01-13 43 v &= ~mask; 2572f00db8a68bb Joshua Henderson 2016-01-13 44 v |= (set & mask); 2572f00db8a68bb Joshua Henderson 2016-01-13 45 writel(v, pic32_conf_base + offset); 2572f00db8a68bb Joshua Henderson 2016-01-13 @46 spin_unlock_irqrestore(&config_lock, flags); 2572f00db8a68bb Joshua Henderson 2016-01-13 47 2572f00db8a68bb Joshua Henderson 2016-01-13 48 return 0; 2572f00db8a68bb Joshua Henderson 2016-01-13 49 } 2572f00db8a68bb Joshua Henderson 2016-01-13 50 :::::: The code at line 22 was first introduced by commit :::::: 2572f00db8a68bb46001678c1c98ad8b70e04b31 MIPS: Add support for PIC32MZDA platform :::::: TO: Joshua Henderson <joshua.henderson@xxxxxxxxxxxxx> :::::: CC: Ralf Baechle <ralf@xxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki