Hi Sricharan, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.13-rc5 next-20241220] [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/Sricharan-R/dt-bindings-mailbox-Document-qcom-tmel-qmp/20241231-135219 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20241231054900.2144961-3-quic_srichara%40quicinc.com patch subject: [PATCH V2 2/2] mailbox: tmelite-qmp: Introduce TMEL QMP mailbox driver config: i386-randconfig-005-20250101 (https://download.01.org/0day-ci/archive/20250101/202501011724.6gr0JxBf-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250101/202501011724.6gr0JxBf-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/202501011724.6gr0JxBf-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/mailbox/qcom-tmel-qmp.c:10: In file included from include/linux/dma-mapping.h:8: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:2223: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/mailbox/qcom-tmel-qmp.c:312:55: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] 312 | dev_err(mdev->dev, "Unsupported packet size %lu\n", pkt->iov_len); | ~~~ ^~~~~~~~~~~~ | %zu include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err' 154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ~~~ ^~~~~~~~~~~ drivers/mailbox/qcom-tmel-qmp.c:710:10: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] 709 | pr_err("Invalid pkt.size received size: %lu, expected: %zu\n", | ~~~ | %zu 710 | tdev->pkt.iov_len, sizeof(struct tmel_ipc_pkt)); | ^~~~~~~~~~~~~~~~~ include/linux/printk.h:544:33: note: expanded from macro 'pr_err' 544 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/printk.h:501:60: note: expanded from macro 'printk' 501 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/printk.h:473:19: note: expanded from macro 'printk_index_wrap' 473 | _p_func(_fmt, ##__VA_ARGS__); \ | ~~~~ ^~~~~~~~~~~ drivers/mailbox/qcom-tmel-qmp.c:834:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 834 | int ret; | ^ 4 warnings generated. vim +312 drivers/mailbox/qcom-tmel-qmp.c 290 291 /** 292 * qmp_send_data() - Copy the data to the channel's mailbox and notify 293 * remote subsystem of new data. This function will 294 * return an error if the previous message sent has 295 * not been read. Cannot Sleep. 296 * @chan: mailbox channel that data is to be sent over. 297 * @data: Data to be sent to remote processor, should be in the format of 298 * a kvec. 299 * 300 * Return: 0 on succes or standard Linux error code. 301 */ 302 static int qmp_send_data(struct qmp_device *mdev, void *data) 303 { 304 struct kvec *pkt = (struct kvec *)data; 305 void __iomem *addr; 306 unsigned long flags; 307 308 if (!mdev || !data || !completion_done(&mdev->ch_complete)) 309 return -EINVAL; 310 311 if (pkt->iov_len > QMP_MAX_PKT_SIZE) { > 312 dev_err(mdev->dev, "Unsupported packet size %lu\n", pkt->iov_len); 313 return -EINVAL; 314 } 315 316 spin_lock_irqsave(&mdev->tx_lock, flags); 317 if (mdev->tx_sent) { 318 spin_unlock_irqrestore(&mdev->tx_lock, flags); 319 return -EAGAIN; 320 } 321 322 dev_dbg(mdev->dev, "%s: mcore 0x%x ucore 0x%x", __func__, 323 mdev->mcore.val, mdev->ucore.val); 324 325 addr = mdev->mcore_desc + QMP_CTRL_DATA_SIZE; 326 memcpy_toio(addr, pkt->iov_base, pkt->iov_len); 327 328 mdev->mcore.bits.frag_size = pkt->iov_len; 329 mdev->mcore.bits.rem_frag_count = 0; 330 331 dev_dbg(mdev->dev, "Copied buffer to mbox, sz: %d", 332 mdev->mcore.bits.frag_size); 333 334 mdev->tx_sent = true; 335 QMP_MCORE_CH_VAR_TOGGLE(mdev, tx); 336 qmp_send_irq(mdev); 337 qmp_schedule_tx_timeout(mdev); 338 spin_unlock_irqrestore(&mdev->tx_lock, flags); 339 340 return 0; 341 } 342 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
