Hi Loic, [auto build test WARNING on robh/for-next] [also build test WARNING on v4.13] [cannot apply to bluetooth-next/master next-20170907] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Loic-Poulain/dt-bindings-soc-qcom-Add-local-bd-address-property-to-WCNSS-BT/20170908-102410 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All warnings (new ones prefixed by >>): drivers//bluetooth/btqcomsmd.c: In function 'btqcomsmd_probe': >> drivers//bluetooth/btqcomsmd.c:160:3: warning: passing argument 2 of 'baswap' discards 'const' qualifier from pointer target type baswap(&btq->bdaddr, local_bd_addr); ^ In file included from drivers//bluetooth/btqcomsmd.c:23:0: include/net/bluetooth/bluetooth.h:236:6: note: expected 'struct bdaddr_t *' but argument is of type 'const struct bdaddr_t *' void baswap(bdaddr_t *dst, bdaddr_t *src); ^ vim +160 drivers//bluetooth/btqcomsmd.c 128 129 static int btqcomsmd_probe(struct platform_device *pdev) 130 { 131 const bdaddr_t *local_bd_addr; 132 struct btqcomsmd *btq; 133 struct hci_dev *hdev; 134 void *wcnss; 135 int ret; 136 137 btq = devm_kzalloc(&pdev->dev, sizeof(*btq), GFP_KERNEL); 138 if (!btq) 139 return -ENOMEM; 140 141 wcnss = dev_get_drvdata(pdev->dev.parent); 142 143 btq->acl_channel = qcom_wcnss_open_channel(wcnss, "APPS_RIVA_BT_ACL", 144 btqcomsmd_acl_callback, btq); 145 if (IS_ERR(btq->acl_channel)) 146 return PTR_ERR(btq->acl_channel); 147 148 btq->cmd_channel = qcom_wcnss_open_channel(wcnss, "APPS_RIVA_BT_CMD", 149 btqcomsmd_cmd_callback, btq); 150 if (IS_ERR(btq->cmd_channel)) 151 return PTR_ERR(btq->cmd_channel); 152 153 /* The local-bd-address DT property is usually injected by the 154 * bootloader which has access to the allocated BD address. 155 */ 156 local_bd_addr = of_get_property(pdev->dev.of_node, "local-mac-address", 157 &ret); 158 if (local_bd_addr && ret == sizeof(bdaddr_t)) { 159 /* local-bd-address stored with most significant byte first */ > 160 baswap(&btq->bdaddr, local_bd_addr); 161 BT_INFO("BD address %pMR retrieved from device-tree", 162 &btq->bdaddr); 163 } 164 165 hdev = hci_alloc_dev(); 166 if (!hdev) 167 return -ENOMEM; 168 169 hci_set_drvdata(hdev, btq); 170 btq->hdev = hdev; 171 SET_HCIDEV_DEV(hdev, &pdev->dev); 172 173 hdev->bus = HCI_SMD; 174 hdev->open = btqcomsmd_open; 175 hdev->close = btqcomsmd_close; 176 hdev->send = btqcomsmd_send; 177 hdev->setup = btqcomsmd_setup; 178 hdev->set_bdaddr = qca_set_bdaddr_rome; 179 180 ret = hci_register_dev(hdev); 181 if (ret < 0) { 182 hci_free_dev(hdev); 183 return ret; 184 } 185 186 platform_set_drvdata(pdev, btq); 187 188 return 0; 189 } 190 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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