Hi Howard, kernel test robot noticed the following build errors: [auto build test ERROR on usb/usb-testing] [also build test ERROR on usb/usb-next usb/usb-linus char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus linus/master v6.8-rc7 next-20240308] [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/Howard-Yen/dma-coherent-add-support-for-multi-coherent-rmems-per-dev/20240308-175649 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20240308095320.1961469-3-howardyen%40google.com patch subject: [PATCH v4 2/2] usb: host: xhci-plat: add support for multi memory regions config: arm64-defconfig (https://download.01.org/0day-ci/archive/20240310/202403101400.PHmsnLOh-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240310/202403101400.PHmsnLOh-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/202403101400.PHmsnLOh-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/usb/host/xhci-plat.c: In function 'xhci_plat_probe': >> drivers/usb/host/xhci-plat.c:201:23: error: implicit declaration of function 'of_reserved_mem_device_init_by_idx' [-Werror=implicit-function-declaration] 201 | ret = of_reserved_mem_device_init_by_idx(sysdev, sysdev->of_node, i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/usb/host/xhci-plat.c:205:33: error: implicit declaration of function 'of_reserved_mem_device_release' [-Werror=implicit-function-declaration] 205 | of_reserved_mem_device_release(sysdev); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/of_reserved_mem_device_init_by_idx +201 drivers/usb/host/xhci-plat.c 144 145 int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const struct xhci_plat_priv *priv_match) 146 { 147 const struct hc_driver *driver; 148 struct device *tmpdev; 149 struct xhci_hcd *xhci; 150 struct resource *res; 151 struct usb_hcd *hcd, *usb3_hcd; 152 int i, count, ret; 153 int irq; 154 struct xhci_plat_priv *priv = NULL; 155 bool of_match; 156 157 if (usb_disabled()) 158 return -ENODEV; 159 160 driver = &xhci_plat_hc_driver; 161 162 irq = platform_get_irq(pdev, 0); 163 if (irq < 0) 164 return irq; 165 166 if (!sysdev) 167 sysdev = &pdev->dev; 168 169 ret = dma_set_mask_and_coherent(sysdev, DMA_BIT_MASK(64)); 170 if (ret) 171 return ret; 172 173 pm_runtime_set_active(&pdev->dev); 174 pm_runtime_enable(&pdev->dev); 175 pm_runtime_get_noresume(&pdev->dev); 176 177 hcd = __usb_create_hcd(driver, sysdev, &pdev->dev, 178 dev_name(&pdev->dev), NULL); 179 if (!hcd) { 180 ret = -ENOMEM; 181 goto disable_runtime; 182 } 183 184 hcd->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); 185 if (IS_ERR(hcd->regs)) { 186 ret = PTR_ERR(hcd->regs); 187 goto put_hcd; 188 } 189 190 hcd->rsrc_start = res->start; 191 hcd->rsrc_len = resource_size(res); 192 193 xhci = hcd_to_xhci(hcd); 194 195 xhci->allow_single_roothub = 1; 196 197 count = of_property_count_elems_of_size(sysdev->of_node, "memory-region", 198 sizeof(u32)); 199 200 for (i = 0; i < count; i++) { > 201 ret = of_reserved_mem_device_init_by_idx(sysdev, sysdev->of_node, i); 202 if (ret) { 203 dev_err(sysdev, "Could not get reserved memory\n"); 204 if (i > 0) > 205 of_reserved_mem_device_release(sysdev); 206 207 return ret; 208 } 209 } 210 211 /* 212 * Not all platforms have clks so it is not an error if the 213 * clock do not exist. 214 */ 215 xhci->reg_clk = devm_clk_get_optional(&pdev->dev, "reg"); 216 if (IS_ERR(xhci->reg_clk)) { 217 ret = PTR_ERR(xhci->reg_clk); 218 goto put_hcd; 219 } 220 221 xhci->clk = devm_clk_get_optional(&pdev->dev, NULL); 222 if (IS_ERR(xhci->clk)) { 223 ret = PTR_ERR(xhci->clk); 224 goto put_hcd; 225 } 226 227 xhci->reset = devm_reset_control_array_get_optional_shared(&pdev->dev); 228 if (IS_ERR(xhci->reset)) { 229 ret = PTR_ERR(xhci->reset); 230 goto put_hcd; 231 } 232 233 ret = reset_control_deassert(xhci->reset); 234 if (ret) 235 goto put_hcd; 236 237 ret = clk_prepare_enable(xhci->reg_clk); 238 if (ret) 239 goto err_reset; 240 241 ret = clk_prepare_enable(xhci->clk); 242 if (ret) 243 goto disable_reg_clk; 244 245 if (priv_match) { 246 priv = hcd_to_xhci_priv(hcd); 247 /* Just copy data for now */ 248 *priv = *priv_match; 249 } 250 251 device_set_wakeup_capable(&pdev->dev, true); 252 253 xhci->main_hcd = hcd; 254 255 /* imod_interval is the interrupt moderation value in nanoseconds. */ 256 xhci->imod_interval = 40000; 257 258 /* Iterate over all parent nodes for finding quirks */ 259 for (tmpdev = &pdev->dev; tmpdev; tmpdev = tmpdev->parent) { 260 261 if (device_property_read_bool(tmpdev, "usb2-lpm-disable")) 262 xhci->quirks |= XHCI_HW_LPM_DISABLE; 263 264 if (device_property_read_bool(tmpdev, "usb3-lpm-capable")) 265 xhci->quirks |= XHCI_LPM_SUPPORT; 266 267 if (device_property_read_bool(tmpdev, "quirk-broken-port-ped")) 268 xhci->quirks |= XHCI_BROKEN_PORT_PED; 269 270 if (device_property_read_bool(tmpdev, "xhci-sg-trb-cache-size-quirk")) 271 xhci->quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK; 272 273 device_property_read_u32(tmpdev, "imod-interval-ns", 274 &xhci->imod_interval); 275 } 276 277 /* 278 * Drivers such as dwc3 manages PHYs themself (and rely on driver name 279 * matching for the xhci platform device). 280 */ 281 of_match = of_match_device(pdev->dev.driver->of_match_table, &pdev->dev); 282 if (of_match) { 283 hcd->usb_phy = devm_usb_get_phy_by_phandle(sysdev, "usb-phy", 0); 284 if (IS_ERR(hcd->usb_phy)) { 285 ret = PTR_ERR(hcd->usb_phy); 286 if (ret == -EPROBE_DEFER) 287 goto disable_clk; 288 hcd->usb_phy = NULL; 289 } else { 290 ret = usb_phy_init(hcd->usb_phy); 291 if (ret) 292 goto disable_clk; 293 } 294 } 295 296 hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node); 297 298 if (priv && (priv->quirks & XHCI_SKIP_PHY_INIT)) 299 hcd->skip_phy_initialization = 1; 300 301 if (priv && (priv->quirks & XHCI_SG_TRB_CACHE_SIZE_QUIRK)) 302 xhci->quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK; 303 304 ret = usb_add_hcd(hcd, irq, IRQF_SHARED); 305 if (ret) 306 goto disable_usb_phy; 307 308 if (!xhci_has_one_roothub(xhci)) { 309 xhci->shared_hcd = __usb_create_hcd(driver, sysdev, &pdev->dev, 310 dev_name(&pdev->dev), hcd); 311 if (!xhci->shared_hcd) { 312 ret = -ENOMEM; 313 goto dealloc_usb2_hcd; 314 } 315 316 if (of_match) { 317 xhci->shared_hcd->usb_phy = devm_usb_get_phy_by_phandle(sysdev, 318 "usb-phy", 1); 319 if (IS_ERR(xhci->shared_hcd->usb_phy)) { 320 xhci->shared_hcd->usb_phy = NULL; 321 } else { 322 ret = usb_phy_init(xhci->shared_hcd->usb_phy); 323 if (ret) 324 dev_err(sysdev, "%s init usb3phy fail (ret=%d)\n", 325 __func__, ret); 326 } 327 } 328 329 xhci->shared_hcd->tpl_support = hcd->tpl_support; 330 } 331 332 usb3_hcd = xhci_get_usb3_hcd(xhci); 333 if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4) 334 usb3_hcd->can_do_streams = 1; 335 336 if (xhci->shared_hcd) { 337 ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED); 338 if (ret) 339 goto put_usb3_hcd; 340 } 341 342 device_enable_async_suspend(&pdev->dev); 343 pm_runtime_put_noidle(&pdev->dev); 344 345 /* 346 * Prevent runtime pm from being on as default, users should enable 347 * runtime pm using power/control in sysfs. 348 */ 349 pm_runtime_forbid(&pdev->dev); 350 351 return 0; 352 353 354 put_usb3_hcd: 355 usb_put_hcd(xhci->shared_hcd); 356 357 dealloc_usb2_hcd: 358 usb_remove_hcd(hcd); 359 360 disable_usb_phy: 361 usb_phy_shutdown(hcd->usb_phy); 362 363 disable_clk: 364 clk_disable_unprepare(xhci->clk); 365 366 disable_reg_clk: 367 clk_disable_unprepare(xhci->reg_clk); 368 369 err_reset: 370 reset_control_assert(xhci->reset); 371 372 put_hcd: 373 usb_put_hcd(hcd); 374 375 disable_runtime: 376 pm_runtime_put_noidle(&pdev->dev); 377 pm_runtime_disable(&pdev->dev); 378 379 return ret; 380 } 381 EXPORT_SYMBOL_GPL(xhci_plat_probe); 382 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki