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 v6.14-rc5 next-20250305] [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/20250228-125707 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20250228045356.3527662-3-quic_srichara%40quicinc.com patch subject: [PATCH V3 2/2] mailbox: tmelite-qmp: Introduce TMEL QMP mailbox driver config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20250306/202503061517.ZTyZF7qx-lkp@xxxxxxxxx/config) compiler: sh4-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250306/202503061517.ZTyZF7qx-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/202503061517.ZTyZF7qx-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/device.h:15, from include/linux/dma-mapping.h:5, from drivers/mailbox/qcom-tmel-qmp.c:6: drivers/mailbox/qcom-tmel-qmp.c: In function 'qmp_send_data': >> drivers/mailbox/qcom-tmel-qmp.c:196:36: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 196 | dev_err(mdev->dev, "Unsupported packet size %ld\n", pkt->iov_len); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ include/linux/dev_printk.h:154:56: note: in expansion of macro 'dev_fmt' 154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/mailbox/qcom-tmel-qmp.c:196:17: note: in expansion of macro 'dev_err' 196 | dev_err(mdev->dev, "Unsupported packet size %ld\n", pkt->iov_len); | ^~~~~~~ drivers/mailbox/qcom-tmel-qmp.c:196:63: note: format string is defined here 196 | dev_err(mdev->dev, "Unsupported packet size %ld\n", pkt->iov_len); | ~~^ | | | long int | %d In file included from drivers/mailbox/qcom-tmel-qmp.c:10: drivers/mailbox/qcom-tmel-qmp.c: In function 'tmel_prepare_msg': include/linux/mailbox/tmelcom-qmp.h:16:41: error: implicit declaration of function 'FIELD_GET' [-Wimplicit-function-declaration] 16 | #define TMEL_MSG_UID_MSG_TYPE(v) FIELD_GET(GENMASK(15, 8), v) | ^~~~~~~~~ drivers/mailbox/qcom-tmel-qmp.c:406:29: note: in expansion of macro 'TMEL_MSG_UID_MSG_TYPE' 406 | msg_hdr->msg_type = TMEL_MSG_UID_MSG_TYPE(msg_uid); | ^~~~~~~~~~~~~~~~~~~~~ drivers/mailbox/qcom-tmel-qmp.c: In function 'tmel_process_request': drivers/mailbox/qcom-tmel-qmp.c:501:36: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 501 | dev_err(tdev->dev, "Invalid pkt.size received size: %ld, expected: %zu\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ include/linux/dev_printk.h:154:56: note: in expansion of macro 'dev_fmt' 154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/mailbox/qcom-tmel-qmp.c:501:17: note: in expansion of macro 'dev_err' 501 | dev_err(tdev->dev, "Invalid pkt.size received size: %ld, expected: %zu\n", | ^~~~~~~ drivers/mailbox/qcom-tmel-qmp.c:501:71: note: format string is defined here 501 | dev_err(tdev->dev, "Invalid pkt.size received size: %ld, expected: %zu\n", | ~~^ | | | long int | %d drivers/mailbox/qcom-tmel-qmp.c: In function 'tmel_secboot_sec_auth': include/linux/mailbox/tmelcom-qmp.h:13:10: error: implicit declaration of function 'FIELD_PREP_CONST' [-Wimplicit-function-declaration] 13 | (FIELD_PREP_CONST((0xff << 8), msg_type) | FIELD_PREP_CONST(0xff, action_id)) | ^~~~~~~~~~~~~~~~ include/linux/mailbox/tmelcom-qmp.h:55:45: note: in expansion of macro 'TMEL_MSG_UID_CREATE' 55 | #define TMEL_MSG_UID_SECBOOT_SEC_AUTH TMEL_MSG_UID_CREATE(TMEL_MSG_SECBOOT,\ | ^~~~~~~~~~~~~~~~~~~ drivers/mailbox/qcom-tmel-qmp.c:541:42: note: in expansion of macro 'TMEL_MSG_UID_SECBOOT_SEC_AUTH' 541 | ret = tmel_process_request(tdev, TMEL_MSG_UID_SECBOOT_SEC_AUTH, msg, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/mailbox/qcom-tmel-qmp.c: In function 'tmel_qmp_send_work': drivers/mailbox/qcom-tmel-qmp.c:595:9: error: case label does not reduce to an integer constant 595 | case TMEL_MSG_UID_SECBOOT_SEC_AUTH: | ^~~~ drivers/mailbox/qcom-tmel-qmp.c:598:9: error: case label does not reduce to an integer constant 598 | case TMEL_MSG_UID_SECBOOT_SS_TEAR_DOWN: | ^~~~ vim +196 drivers/mailbox/qcom-tmel-qmp.c 177 178 /** 179 * qmp_send_data() - Copy the data to the channel's mailbox and notify 180 * remote subsystem of new data. This function will 181 * return an error if the previous message sent has 182 * not been read. Cannot Sleep. 183 * @mdev: qmp_device to send the data to. 184 * @data: Data to be sent to remote processor, should be in the format of 185 * a kvec. 186 * 187 * Return: 0 on success or standard Linux error code. 188 */ 189 static int qmp_send_data(struct qmp_device *mdev, void *data) 190 { 191 struct kvec *pkt = (struct kvec *)data; 192 void __iomem *addr; 193 unsigned long flags; 194 195 if (pkt->iov_len > QMP_MAX_PKT_SIZE) { > 196 dev_err(mdev->dev, "Unsupported packet size %ld\n", pkt->iov_len); 197 return -EINVAL; 198 } 199 200 if (atomic_read(&mdev->tx_sent)) 201 return -EAGAIN; 202 203 dev_dbg(mdev->dev, "%s: mcore 0x%x ucore 0x%x", __func__, 204 mdev->mcore.val, mdev->ucore.val); 205 206 addr = mdev->mcore_desc + QMP_CTRL_DATA_SIZE; 207 memcpy_toio(addr, pkt->iov_base, pkt->iov_len); 208 209 mdev->mcore.bits.frag_size = pkt->iov_len; 210 mdev->mcore.bits.rem_frag_count = 0; 211 212 dev_dbg(mdev->dev, "Copied buffer to mbox, sz: %d", 213 mdev->mcore.bits.frag_size); 214 215 atomic_set(&mdev->tx_sent, 1); 216 217 spin_lock_irqsave(&mdev->tx_lock, flags); 218 mdev->mcore.bits.tx = !(mdev->mcore.bits.tx); 219 qmp_send_irq(mdev); 220 spin_unlock_irqrestore(&mdev->tx_lock, flags); 221 222 return 0; 223 } 224 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki