Hi Hector, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on clk/clk-next] [also build test ERROR on arm64/for-next/core rafael-pm/linux-next linus/master v5.15-rc5] [cannot apply to robh/for-next next-20211012] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Hector-Martin/Apple-SoC-CPU-P-st... base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next config: arc-allyesconfig (attached as .config) compiler: arceb-elf-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/0day-ci/linux/commit/ab35c97e9fa1e0ee158801ca3ad5d3d4c... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hector-Martin/Apple-SoC-CPU-P-state-switching/20211012-010015 git checkout ab35c97e9fa1e0ee158801ca3ad5d3d4c93e6191 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc 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 >>): In file included from drivers/clk/clk-apple-cluster.c:14: drivers/clk/clk-apple-cluster.c: In function 'apple_cluster_clk_set_rate': 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/clk/clk-apple-cluster.c:55:13: note: in expansion of macro 'readq_poll_timeout' 55 | if (readq_poll_timeout(cluster->reg_base + APPLE_CLUSTER_PSTATE, reg, | ^~~~~~~~~~~~~~~~~~ drivers/clk/clk-apple-cluster.c:67:9: error: implicit declaration of function 'writeq_relaxed'; did you mean 'writel_relaxed'? [-Werror=implicit-function-declaration] 67 | writeq_relaxed(reg, cluster->reg_base + APPLE_CLUSTER_PSTATE); | ^~~~~~~~~~~~~~ | writel_relaxed drivers/clk/clk-apple-cluster.c: In function 'apple_cluster_clk_recalc_rate': drivers/clk/clk-apple-cluster.c:82:15: error: implicit declaration of function 'readq_relaxed'; did you mean 'readw_relaxed'? [-Werror=implicit-function-declaration] 82 | reg = readq_relaxed(cluster->reg_base + APPLE_CLUSTER_PSTATE); | ^~~~~~~~~~~~~ | readw_relaxed cc1: all warnings being treated as errors vim +162 include/linux/iopoll.h 57a29df341466b Kai-Heng Feng 2020-04-25 101 54c523127bcca9 Matt Wagantall 2014-12-15 102 /** 54c523127bcca9 Matt Wagantall 2014-12-15 103 * readx_poll_timeout - Periodically poll an address until a condition is met or a timeout occurs 54c523127bcca9 Matt Wagantall 2014-12-15 104 * @op: accessor function (takes @addr as its only argument) 54c523127bcca9 Matt Wagantall 2014-12-15 105 * @addr: Address to poll 54c523127bcca9 Matt Wagantall 2014-12-15 106 * @val: Variable to read the value into 54c523127bcca9 Matt Wagantall 2014-12-15 107 * @cond: Break condition (usually involving @val) 54c523127bcca9 Matt Wagantall 2014-12-15 108 * @sleep_us: Maximum time to sleep between reads in us (0 54c523127bcca9 Matt Wagantall 2014-12-15 109 * tight-loops). Should be less than ~20ms since usleep_range 458f69ef36656d Mauro Carvalho Chehab 2019-06-12 110 * is used (see Documentation/timers/timers-howto.rst). 54c523127bcca9 Matt Wagantall 2014-12-15 111 * @timeout_us: Timeout in us, 0 means never timeout 54c523127bcca9 Matt Wagantall 2014-12-15 112 * 54c523127bcca9 Matt Wagantall 2014-12-15 113 * Returns 0 on success and -ETIMEDOUT upon a timeout. In either 54c523127bcca9 Matt Wagantall 2014-12-15 114 * case, the last read value at @addr is stored in @val. Must not 54c523127bcca9 Matt Wagantall 2014-12-15 115 * be called from atomic context if sleep_us or timeout_us are used. 54c523127bcca9 Matt Wagantall 2014-12-15 116 * 54c523127bcca9 Matt Wagantall 2014-12-15 117 * When available, you'll probably want to use one of the specialized 54c523127bcca9 Matt Wagantall 2014-12-15 118 * macros defined below rather than this macro directly. 54c523127bcca9 Matt Wagantall 2014-12-15 119 */ 54c523127bcca9 Matt Wagantall 2014-12-15 120 #define readx_poll_timeout(op, addr, val, cond, sleep_us, timeout_us) \ eaa6b01024a74a Dejin Zheng 2020-03-23 121 read_poll_timeout(op, val, cond, sleep_us, timeout_us, false, addr) 54c523127bcca9 Matt Wagantall 2014-12-15 122 54c523127bcca9 Matt Wagantall 2014-12-15 123 /** 54c523127bcca9 Matt Wagantall 2014-12-15 124 * readx_poll_timeout_atomic - Periodically poll an address until a condition is met or a timeout occurs 54c523127bcca9 Matt Wagantall 2014-12-15 125 * @op: accessor function (takes @addr as its only argument) 54c523127bcca9 Matt Wagantall 2014-12-15 126 * @addr: Address to poll 54c523127bcca9 Matt Wagantall 2014-12-15 127 * @val: Variable to read the value into 54c523127bcca9 Matt Wagantall 2014-12-15 128 * @cond: Break condition (usually involving @val) 54c523127bcca9 Matt Wagantall 2014-12-15 129 * @delay_us: Time to udelay between reads in us (0 tight-loops). Should 54c523127bcca9 Matt Wagantall 2014-12-15 130 * be less than ~10us since udelay is used (see 458f69ef36656d Mauro Carvalho Chehab 2019-06-12 131 * Documentation/timers/timers-howto.rst). 54c523127bcca9 Matt Wagantall 2014-12-15 132 * @timeout_us: Timeout in us, 0 means never timeout 54c523127bcca9 Matt Wagantall 2014-12-15 133 * 54c523127bcca9 Matt Wagantall 2014-12-15 134 * Returns 0 on success and -ETIMEDOUT upon a timeout. In either 54c523127bcca9 Matt Wagantall 2014-12-15 135 * case, the last read value at @addr is stored in @val. 54c523127bcca9 Matt Wagantall 2014-12-15 136 * 54c523127bcca9 Matt Wagantall 2014-12-15 137 * When available, you'll probably want to use one of the specialized 54c523127bcca9 Matt Wagantall 2014-12-15 138 * macros defined below rather than this macro directly. 54c523127bcca9 Matt Wagantall 2014-12-15 139 */ 54c523127bcca9 Matt Wagantall 2014-12-15 140 #define readx_poll_timeout_atomic(op, addr, val, cond, delay_us, timeout_us) \ 57a29df341466b Kai-Heng Feng 2020-04-25 141 read_poll_timeout_atomic(op, val, cond, delay_us, timeout_us, false, addr) 54c523127bcca9 Matt Wagantall 2014-12-15 142 54c523127bcca9 Matt Wagantall 2014-12-15 143 #define readb_poll_timeout(addr, val, cond, delay_us, timeout_us) \ 54c523127bcca9 Matt Wagantall 2014-12-15 144 readx_poll_timeout(readb, addr, val, cond, delay_us, timeout_us) 54c523127bcca9 Matt Wagantall 2014-12-15 145 54c523127bcca9 Matt Wagantall 2014-12-15 146 #define readb_poll_timeout_atomic(addr, val, cond, delay_us, timeout_us) \ 54c523127bcca9 Matt Wagantall 2014-12-15 147 readx_poll_timeout_atomic(readb, addr, val, cond, delay_us, timeout_us) 54c523127bcca9 Matt Wagantall 2014-12-15 148 54c523127bcca9 Matt Wagantall 2014-12-15 149 #define readw_poll_timeout(addr, val, cond, delay_us, timeout_us) \ 54c523127bcca9 Matt Wagantall 2014-12-15 150 readx_poll_timeout(readw, addr, val, cond, delay_us, timeout_us) 54c523127bcca9 Matt Wagantall 2014-12-15 151 54c523127bcca9 Matt Wagantall 2014-12-15 152 #define readw_poll_timeout_atomic(addr, val, cond, delay_us, timeout_us) \ 54c523127bcca9 Matt Wagantall 2014-12-15 153 readx_poll_timeout_atomic(readw, addr, val, cond, delay_us, timeout_us) 54c523127bcca9 Matt Wagantall 2014-12-15 154 54c523127bcca9 Matt Wagantall 2014-12-15 155 #define readl_poll_timeout(addr, val, cond, delay_us, timeout_us) \ 54c523127bcca9 Matt Wagantall 2014-12-15 156 readx_poll_timeout(readl, addr, val, cond, delay_us, timeout_us) 54c523127bcca9 Matt Wagantall 2014-12-15 157 54c523127bcca9 Matt Wagantall 2014-12-15 158 #define readl_poll_timeout_atomic(addr, val, cond, delay_us, timeout_us) \ 54c523127bcca9 Matt Wagantall 2014-12-15 159 readx_poll_timeout_atomic(readl, addr, val, cond, delay_us, timeout_us) 54c523127bcca9 Matt Wagantall 2014-12-15 160 54c523127bcca9 Matt Wagantall 2014-12-15 161 #define readq_poll_timeout(addr, val, cond, delay_us, timeout_us) \ 54c523127bcca9 Matt Wagantall 2014-12-15 @162 readx_poll_timeout(readq, addr, val, cond, delay_us, timeout_us) 54c523127bcca9 Matt Wagantall 2014-12-15 163 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org