Hi Venkata, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bluetooth-next/master] [also build test WARNING on linux/master linus/master bluetooth/master v5.10-rc4 next-20201117] [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/Venkata-Lakshmi-Narayana-Gubba/Bluetooth-btqca-Add-support-to-read-FW-build-version-for-WCN3991-BTSoC/20201118-013220 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master config: x86_64-randconfig-a012-20201116 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ace9653c11c6308401dcda2e8b26bf97e6e66e30) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/773b13ede05cd62b2e429541685f7be9a9ec1e7b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Venkata-Lakshmi-Narayana-Gubba/Bluetooth-btqca-Add-support-to-read-FW-build-version-for-WCN3991-BTSoC/20201118-013220 git checkout 773b13ede05cd62b2e429541685f7be9a9ec1e7b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/bluetooth/btqca.c:104:5: warning: no previous prototype for function 'qca_read_fw_build_info' [-Wmissing-prototypes] int qca_read_fw_build_info(struct hci_dev *hdev) ^ drivers/bluetooth/btqca.c:104:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int qca_read_fw_build_info(struct hci_dev *hdev) ^ static 1 warning generated. vim +/qca_read_fw_build_info +104 drivers/bluetooth/btqca.c 103 > 104 int qca_read_fw_build_info(struct hci_dev *hdev) 105 { 106 struct sk_buff *skb; 107 struct edl_event_hdr *edl; 108 char cmd; 109 int err = 0; 110 char build_label[QCA_FW_BUILD_VER_LEN]; 111 int build_lbl_len; 112 113 bt_dev_dbg(hdev, "QCA read fw build info"); 114 115 cmd = EDL_GET_BUILD_INFO_CMD; 116 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN, 117 &cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT); 118 if (IS_ERR(skb)) { 119 err = PTR_ERR(skb); 120 bt_dev_err(hdev, "Reading QCA fw build info failed (%d)", 121 err); 122 return err; 123 } 124 125 edl = (struct edl_event_hdr *)(skb->data); 126 if (!edl) { 127 bt_dev_err(hdev, "QCA read fw build info with no header"); 128 err = -EILSEQ; 129 goto out; 130 } 131 132 if (edl->cresp != EDL_CMD_REQ_RES_EVT || 133 edl->rtype != EDL_GET_BUILD_INFO_CMD) { 134 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, 135 edl->rtype); 136 err = -EIO; 137 goto out; 138 } 139 140 build_lbl_len = edl->data[0]; 141 memcpy(build_label, &edl->data[1], build_lbl_len); 142 *(build_label + build_lbl_len) = '\0'; 143 144 bt_dev_info(hdev, "BT SoC FW Build info: %s", build_label); 145 146 out: 147 kfree_skb(skb); 148 if (err) 149 bt_dev_err(hdev, "QCA read fw build info failed (%d)", err); 150 151 return err; 152 } 153 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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