Hi Jeffrey, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on next-20231010] [cannot apply to linus/master v6.6-rc5] [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/Jeffrey-Hugo/accel-qaic-Add-support-for-periodic-timesync/20231007-003324 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20231006163210.21319-2-quic_jhugo%40quicinc.com patch subject: [PATCH 1/2] accel/qaic: Add support for periodic timesync config: powerpc-randconfig-003-20231010 (https://download.01.org/0day-ci/archive/20231010/202310102021.xKVfIhRT-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231010/202310102021.xKVfIhRT-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/202310102021.xKVfIhRT-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/accel/qaic/qaic_timesync.c: In function 'qaic_timesync_timer': >> drivers/accel/qaic/qaic_timesync.c:125:25: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration] 125 | device_qtimer = readq(mqtsdev->qtimer_addr); | ^~~~~ | readl cc1: some warnings being treated as errors vim +125 drivers/accel/qaic/qaic_timesync.c 102 103 static void qaic_timesync_timer(struct timer_list *t) 104 { 105 struct mqts_dev *mqtsdev = from_timer(mqtsdev, t, timer); 106 struct qts_host_time_sync_msg_data *sync_msg; 107 u64 device_qtimer_us; 108 u64 device_qtimer; 109 u64 host_time_us; 110 u64 offset_us; 111 u64 host_sec; 112 int ret; 113 114 if (atomic_read(&mqtsdev->buff_in_use)) { 115 dev_dbg(mqtsdev->dev, "%s buffer not free, schedule next cycle\n", __func__); 116 goto mod_timer; 117 } 118 atomic_set(&mqtsdev->buff_in_use, 1); 119 120 sync_msg = mqtsdev->sync_msg; 121 sync_msg->header.signature = cpu_to_le16(QAIC_TIMESYNC_SIGNATURE); 122 sync_msg->header.msg_type = QAIC_TS_SYNC_REQ; 123 /* Read host UTC time and convert to uS*/ 124 host_time_us = div_u64(ktime_get_real_ns(), NSEC_PER_USEC); > 125 device_qtimer = readq(mqtsdev->qtimer_addr); 126 device_qtimer_us = QAIC_CONV_QTIMER_TO_US(device_qtimer); 127 /* Offset between host UTC and device time */ 128 offset_us = host_time_us - device_qtimer_us; 129 130 host_sec = div_u64(offset_us, USEC_PER_SEC); 131 sync_msg->data.tv_usec = cpu_to_le64(offset_us - host_sec * USEC_PER_SEC); 132 sync_msg->data.tv_sec = cpu_to_le64(host_sec); 133 ret = mhi_queue_buf(mqtsdev->mhi_dev, DMA_TO_DEVICE, sync_msg, sizeof(*sync_msg), MHI_EOT); 134 if (ret && (ret != -EAGAIN)) { 135 dev_err(mqtsdev->dev, "%s unable to queue to mhi:%d\n", __func__, ret); 136 return; 137 } else if (ret == -EAGAIN) { 138 atomic_set(&mqtsdev->buff_in_use, 0); 139 } 140 141 mod_timer: 142 ret = mod_timer(t, jiffies + msecs_to_jiffies(timesync_delay_ms)); 143 if (ret) 144 dev_err(mqtsdev->dev, "%s mod_timer error:%d\n", __func__, ret); 145 } 146 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
