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Sat, 02 Apr 2022 20:37:03 +0000 Date: Sun, 3 Apr 2022 04:36:23 +0800 From: kernel test robot To: Anup Patel Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Palmer Dabbelt Subject: drivers/cpuidle/cpuidle-riscv-sbi.c:350:5: warning: format specifies type 'long' but the argument has type 'int' Message-ID: <202204030457.TMq8L80S-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6f34f8c3d6178527d4c02aa3a53c370cc70cb91e commit: 6abf32f1d9c5009dcccded2c1e7ca899a4ab587b cpuidle: Add RISC-V SBI CPU idle driver date: 3 weeks ago config: riscv-randconfig-c006-20220403 (https://download.01.org/0day-ci/archive/20220403/202204030457.TMq8L80S-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c4a1b07d0979e7ff20d7d541af666d822d66b566) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6abf32f1d9c5009dcccded2c1e7ca899a4ab587b git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6abf32f1d9c5009dcccded2c1e7ca899a4ab587b # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/cpuidle/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/cpuidle/cpuidle-riscv-sbi.c:350:5: error: implicit declaration of function 'cpuid_to_hartid_map' [-Werror,-Wimplicit-function-declaration] cpuid_to_hartid_map(cpu)); ^ >> drivers/cpuidle/cpuidle-riscv-sbi.c:350:5: warning: format specifies type 'long' but the argument has type 'int' [-Wformat] cpuid_to_hartid_map(cpu)); ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:570:26: note: expanded from macro 'pr_debug' dynamic_pr_debug(fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:163:22: note: expanded from macro 'dynamic_pr_debug' pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:152:56: note: expanded from macro '_dynamic_func_call' __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) ^~~~~~~~~~~ include/linux/dynamic_debug.h:134:15: note: expanded from macro '__dynamic_func_call' func(&id, ##__VA_ARGS__); \ ^~~~~~~~~~~ drivers/cpuidle/cpuidle-riscv-sbi.c:359:10: error: implicit declaration of function 'cpuid_to_hartid_map' [-Werror,-Wimplicit-function-declaration] cpuid_to_hartid_map(cpu)); ^ drivers/cpuidle/cpuidle-riscv-sbi.c:359:10: warning: format specifies type 'long' but the argument has type 'int' [-Wformat] cpuid_to_hartid_map(cpu)); ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:489:33: note: expanded from macro 'pr_err' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:446:60: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:418:19: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ~~~~ ^~~~~~~~~~~ drivers/cpuidle/cpuidle-riscv-sbi.c:567:6: error: implicit declaration of function 'cpuid_to_hartid_map' [-Werror,-Wimplicit-function-declaration] cpuid_to_hartid_map(cpu)); ^ drivers/cpuidle/cpuidle-riscv-sbi.c:567:6: warning: format specifies type 'long' but the argument has type 'int' [-Wformat] cpuid_to_hartid_map(cpu)); ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:570:26: note: expanded from macro 'pr_debug' dynamic_pr_debug(fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:163:22: note: expanded from macro 'dynamic_pr_debug' pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:152:56: note: expanded from macro '_dynamic_func_call' __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) ^~~~~~~~~~~ include/linux/dynamic_debug.h:134:15: note: expanded from macro '__dynamic_func_call' func(&id, ##__VA_ARGS__); \ ^~~~~~~~~~~ 3 warnings and 3 errors generated. vim +350 drivers/cpuidle/cpuidle-riscv-sbi.c 317 318 static int sbi_cpuidle_init_cpu(struct device *dev, int cpu) 319 { 320 struct cpuidle_driver *drv; 321 unsigned int state_count = 0; 322 int ret = 0; 323 324 drv = devm_kzalloc(dev, sizeof(*drv), GFP_KERNEL); 325 if (!drv) 326 return -ENOMEM; 327 328 drv->name = "sbi_cpuidle"; 329 drv->owner = THIS_MODULE; 330 drv->cpumask = (struct cpumask *)cpumask_of(cpu); 331 332 /* RISC-V architectural WFI to be represented as state index 0. */ 333 drv->states[0].enter = sbi_cpuidle_enter_state; 334 drv->states[0].exit_latency = 1; 335 drv->states[0].target_residency = 1; 336 drv->states[0].power_usage = UINT_MAX; 337 strcpy(drv->states[0].name, "WFI"); 338 strcpy(drv->states[0].desc, "RISC-V WFI"); 339 340 /* 341 * If no DT idle states are detected (ret == 0) let the driver 342 * initialization fail accordingly since there is no reason to 343 * initialize the idle driver if only wfi is supported, the 344 * default archictectural back-end already executes wfi 345 * on idle entry. 346 */ 347 ret = dt_init_idle_driver(drv, sbi_cpuidle_state_match, 1); 348 if (ret <= 0) { 349 pr_debug("HART%ld: failed to parse DT idle states\n", > 350 cpuid_to_hartid_map(cpu)); 351 return ret ? : -ENODEV; 352 } 353 state_count = ret + 1; /* Include WFI state as well */ 354 355 /* Initialize idle states from DT. */ 356 ret = sbi_cpuidle_dt_init_states(dev, drv, cpu, state_count); 357 if (ret) { 358 pr_err("HART%ld: failed to init idle states\n", 359 cpuid_to_hartid_map(cpu)); 360 return ret; 361 } 362 363 ret = cpuidle_register(drv, NULL); 364 if (ret) 365 goto deinit; 366 367 cpuidle_cooling_register(drv); 368 369 return 0; 370 deinit: 371 sbi_cpuidle_deinit_cpu(cpu); 372 return ret; 373 } 374 -- 0-DAY CI Kernel Test Service https://01.org/lkp