Hi Jingbao, kernel test robot noticed the following build errors: [auto build test ERROR on abelloni/rtc-next] [also build test ERROR on linus/master v6.7-rc2 next-20231121] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Jingbao-Qiu/dt-bindings-rtc-add-binding-for-Sophgo-CV1800B-rtc-controller/20231121-174927 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next patch link: https://lore.kernel.org/r/20231121094642.2973795-3-qiujingbao.dlmu%40gmail.com patch subject: [PATCH 2/3] rtc: add rtc controller support for Sophgo CV1800B SoC config: sparc-allmodconfig (https://download.01.org/0day-ci/archive/20231122/202311220645.2hOquYn6-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231122/202311220645.2hOquYn6-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/202311220645.2hOquYn6-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/rtc/rtc-cv1800b.c: In function 'cv1800b_rtc_alarm_irq_enable': >> drivers/rtc/rtc-cv1800b.c:90:17: error: implicit declaration of function 'writel_relaxed' [-Werror=implicit-function-declaration] 90 | writel_relaxed(REG_ENABLE_FUN, data->core_map + RTC_ALARM_ENABLE); | ^~~~~~~~~~~~~~ drivers/rtc/rtc-cv1800b.c: In function 'cv1800b_rtc_read_alarm': >> drivers/rtc/rtc-cv1800b.c:115:21: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration] 115 | alrm_time = readl(data->core_map + RTC_ALARM_TIME); | ^~~~~ drivers/rtc/rtc-cv1800b.c: In function 'cv1800b_rtc_softinit': >> drivers/rtc/rtc-cv1800b.c:128:9: error: implicit declaration of function 'writel' [-Werror=implicit-function-declaration] 128 | writel(ACTIVATE_RTC_POR_DB_MAGIC_KEY, | ^~~~~~ drivers/rtc/rtc-cv1800b.c: In function 'cv1800b_rtc_read_time': >> drivers/rtc/rtc-cv1800b.c:150:16: error: implicit declaration of function 'readl_relaxed' [-Werror=implicit-function-declaration] 150 | time = readl_relaxed(data->core_map + RTC_SEC_CNTR_VALUE); | ^~~~~~~~~~~~~ drivers/rtc/rtc-cv1800b.c: In function 'cv1800b_rtc_probe': drivers/rtc/rtc-cv1800b.c:246:16: error: implicit declaration of function 'rtc_register_device'; did you mean 'devm_rtc_register_device'? [-Werror=implicit-function-declaration] 246 | return rtc_register_device(rtc->rtc_dev); | ^~~~~~~~~~~~~~~~~~~ | devm_rtc_register_device cc1: some warnings being treated as errors vim +/writel_relaxed +90 drivers/rtc/rtc-cv1800b.c 83 84 static int cv1800b_rtc_alarm_irq_enable(struct device *dev, 85 unsigned int enabled) 86 { 87 struct cv1800b_rtc_priv *data = dev_get_drvdata(dev); 88 89 if (enabled) > 90 writel_relaxed(REG_ENABLE_FUN, data->core_map + RTC_ALARM_ENABLE); 91 else 92 writel_relaxed(REG_DISABLE_FUN, 93 data->core_map + RTC_ALARM_ENABLE); 94 95 return 0; 96 } 97 98 static int cv1800b_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) 99 { 100 struct cv1800b_rtc_priv *data = dev_get_drvdata(dev); 101 unsigned long time = rtc_tm_to_time64(&alrm->time); 102 103 writel_relaxed(time, data->core_map + RTC_ALARM_TIME); 104 105 cv1800b_rtc_alarm_irq_enable(dev, 1); 106 107 return 0; 108 } 109 110 static int cv1800b_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) 111 { 112 u32 alrm_time, now_time; 113 struct cv1800b_rtc_priv *data = dev_get_drvdata(dev); 114 > 115 alrm_time = readl(data->core_map + RTC_ALARM_TIME); 116 now_time = readl(data->core_map + RTC_SEC_CNTR_VALUE); 117 rtc_time64_to_tm(alrm_time, &alrm->time); 118 alrm->pending = now_time > alrm_time ? 1 : 0; 119 alrm->enabled = readl(data->core_map + RTC_ALARM_ENABLE); 120 121 return 0; 122 } 123 124 static int cv1800b_rtc_softinit(struct cv1800b_rtc_priv *dev) 125 { 126 u32 timeout = 20; 127 > 128 writel(ACTIVATE_RTC_POR_DB_MAGIC_KEY, 129 dev->core_map + RTC_POR_DB_MAGIC_KEY); 130 writel(INIT_LOAD_TIME, dev->core_map + RTC_SET_SEC_CNTR_VALUE); 131 writel(REG_DISABLE_FUN, dev->core_map + RTC_SET_SEC_CNTR_TRIG); 132 133 while (readl(dev->core_map + RTC_SEC_CNTR_VALUE) == INIT_LOAD_TIME 134 && timeout--) 135 udelay(5); 136 137 if (!timeout) 138 return -1; 139 return 0; 140 } 141 142 static int cv1800b_rtc_read_time(struct device *dev, struct rtc_time *tm) 143 { 144 struct cv1800b_rtc_priv *data = dev_get_drvdata(dev); 145 u32 time = 0; 146 147 if (!data) 148 return -1; 149 > 150 time = readl_relaxed(data->core_map + RTC_SEC_CNTR_VALUE); 151 rtc_time64_to_tm(time, tm); 152 153 return 0; 154 } 155 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
