Messages in this thread |  | | Date | Sun, 13 Mar 2022 08:38:57 +0800 | From | kernel test robot <> | Subject | [asahilinux:audio/testing 112/167] drivers/cpufreq/apple-soc-cpufreq.c:53:12: error: implicit declaration of function 'readq_relaxed' is invalid in C99 |
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tree: https://github.com/AsahiLinux/linux audio/testing head: 878d09efcd811ce17adb15d9ee32a5b7130320b5 commit: 97012c133dff8f4ad7de4c8d34cf327567c8e3d8 [112/167] cpufreq: apple-soc: Add new driver to control Apple SoC CPU P-states config: arm-buildonly-randconfig-r001-20220313 (https://download.01.org/0day-ci/archive/20220313/202203130855.uw6cQQRl-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 43f668b98e8d87290fc6bbf5ed13c3ab542e3497) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/AsahiLinux/linux/commit/97012c133dff8f4ad7de4c8d34cf327567c8e3d8 git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux audio/testing git checkout 97012c133dff8f4ad7de4c8d34cf327567c8e3d8 # 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=arm SHELL=/bin/bash drivers/cpufreq/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> drivers/cpufreq/apple-soc-cpufreq.c:53:12: error: implicit declaration of function 'readq_relaxed' is invalid in C99 [-Werror,-Wimplicit-function-declaration] u64 reg = readq_relaxed(priv->reg_base + APPLE_CLUSTER_PSTATE); ^ >> drivers/cpufreq/apple-soc-cpufreq.c:71:6: error: implicit declaration of function 'readq' is invalid in C99 [-Werror,-Wimplicit-function-declaration] if (readq_poll_timeout_atomic(priv->reg_base + APPLE_CLUSTER_PSTATE, reg, ^ include/linux/iopoll.h:165:28: note: expanded from macro 'readq_poll_timeout_atomic' readx_poll_timeout_atomic(readq, addr, val, cond, delay_us, timeout_us) ^ >> drivers/cpufreq/apple-soc-cpufreq.c:82:2: error: implicit declaration of function 'writeq_relaxed' is invalid in C99 [-Werror,-Wimplicit-function-declaration] writeq_relaxed(reg, priv->reg_base + APPLE_CLUSTER_PSTATE); ^ 3 errors generated.
vim +/readq_relaxed +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; > 53 u64 reg = readq_relaxed(priv->reg_base + APPLE_CLUSTER_PSTATE); 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_atomic(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 > 82 writeq_relaxed(reg, priv->reg_base + APPLE_CLUSTER_PSTATE); 83 84 return 0; 85 } 86
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