tree: https://github.com/ammarfaizi2/linux-block axboe/linux-block/m1-test head: 5adfbb595194191bad98c47447ddbee7d3b60b8f commit: d2b69a6992028350d06be95501463259969d22d2 [364/382] cpufreq: apple-soc: Add new driver to control Apple SoC CPU P-states config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20220216/202202161958.nj2B98CG-lk...) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 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://github.com/ammarfaizi2/linux-block/commit/d2b69a6992028350d06be95... git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block axboe/linux-block/m1-test git checkout d2b69a6992028350d06be95501463259969d22d2 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/cpufreq/apple-soc-cpufreq.c: In function 'apple_soc_cpufreq_get_rate': 53 | u64 reg = readq_relaxed(priv->reg_base + APPLE_CLUSTER_PSTATE); | ^~~~~~~~~~~~~ | readl_relaxed In file included from drivers/cpufreq/apple-soc-cpufreq.c:20: drivers/cpufreq/apple-soc-cpufreq.c: In function 'apple_soc_cpufreq_set_target': 162 | readx_poll_timeout(readq, addr, val, cond, delay_us, timeout_us) | ^~~~~ include/linux/iopoll.h:46:25: note: in definition of macro 'read_poll_timeout' 46 | (val) = op(args); \ | ^~ include/linux/iopoll.h:162:9: note: in expansion of macro 'readx_poll_timeout' 162 | readx_poll_timeout(readq, addr, val, cond, delay_us, timeout_us) | ^~~~~~~~~~~~~~~~~~ drivers/cpufreq/apple-soc-cpufreq.c:71:13: note: in expansion of macro 'readq_poll_timeout' 71 | if (readq_poll_timeout(priv->reg_base + APPLE_CLUSTER_PSTATE, reg, | ^~~~~~~~~~~~~~~~~~ 82 | writeq_relaxed(reg, priv->reg_base + APPLE_CLUSTER_PSTATE); | ^~~~~~~~~~~~~~ | writeb_relaxed cc1: some warnings being treated as errors vim +53 drivers/cpufreq/apple-soc-cpufreq.c 48 49 static unsigned int apple_soc_cpufreq_get_rate(unsigned int cpu) 50 { 51 struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu); 52 struct apple_cpu_priv *priv = policy->driver_data; 54 unsigned int pstate = FIELD_GET(APPLE_CLUSTER_PSTATE_DESIRED1, reg); 55 unsigned int i; 56 57 for (i = 0; policy->freq_table[i].frequency != CPUFREQ_TABLE_END; i++) 58 if (policy->freq_table[i].driver_data == pstate) 59 return policy->freq_table[i].frequency; 60 61 dev_err(priv->cpu_dev, "could not find frequency for pstate %d\n", pstate); 62 return 0; 63 } 64 65 static int apple_soc_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index) 66 { 67 struct apple_cpu_priv *priv = policy->driver_data; 68 unsigned int pstate = policy->freq_table[index].driver_data; 69 u64 reg; 70 71 if (readq_poll_timeout(priv->reg_base + APPLE_CLUSTER_PSTATE, reg, 72 !(reg & APPLE_CLUSTER_PSTATE_BUSY), 2, 73 APPLE_CLUSTER_SWITCH_TIMEOUT)) { 74 return -EIO; 75 } 76 77 reg &= ~(APPLE_CLUSTER_PSTATE_DESIRED1 | APPLE_CLUSTER_PSTATE_DESIRED2); 78 reg |= FIELD_PREP(APPLE_CLUSTER_PSTATE_DESIRED1, pstate); 79 reg |= FIELD_PREP(APPLE_CLUSTER_PSTATE_DESIRED2, pstate); 80 reg |= APPLE_CLUSTER_PSTATE_SET; 81 83 84 return 0; 85 } 86 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org