Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.2-rc7 next-20190705] [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/josua-solid-run-com/Fix-hang-of-Armada-8040-SoC-in-orion-mdio/20190707-111919 config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0 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 GCC_VERSION=7.4.0 make.cross ARCH=arm If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): In file included from include/linux/node.h:18:0, from include/linux/cpu.h:17, from include/linux/of_device.h:5, from drivers/net/ethernet/marvell/mvmdio.c:26: drivers/net/ethernet/marvell/mvmdio.c: In function 'orion_mdio_probe': >> drivers/net/ethernet/marvell/mvmdio.c:330:12: error: passing argument 1 of '_dev_warn' from incompatible pointer type [-Werror=incompatible-pointer-types] dev_warn(dev, "unsupported number of clocks, limiting to the first " ^ include/linux/device.h:1487:12: note: in definition of macro 'dev_warn' _dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~ include/linux/device.h:1425:6: note: expected 'const struct device *' but argument is of type 'struct orion_mdio_dev *' void _dev_warn(const struct device *dev, const char *fmt, ...); ^~~~~~~~~ cc1: some warnings being treated as errors vim +/_dev_warn +330 drivers/net/ethernet/marvell/mvmdio.c 275 276 static int orion_mdio_probe(struct platform_device *pdev) 277 { 278 enum orion_mdio_bus_type type; 279 struct resource *r; 280 struct mii_bus *bus; 281 struct orion_mdio_dev *dev; 282 int i, ret; 283 284 type = (enum orion_mdio_bus_type)of_device_get_match_data(&pdev->dev); 285 286 r = platform_get_resource(pdev, IORESOURCE_MEM, 0); 287 if (!r) { 288 dev_err(&pdev->dev, "No SMI register address given\n"); 289 return -ENODEV; 290 } 291 292 bus = devm_mdiobus_alloc_size(&pdev->dev, 293 sizeof(struct orion_mdio_dev)); 294 if (!bus) 295 return -ENOMEM; 296 297 switch (type) { 298 case BUS_TYPE_SMI: 299 bus->read = orion_mdio_smi_read; 300 bus->write = orion_mdio_smi_write; 301 break; 302 case BUS_TYPE_XSMI: 303 bus->read = orion_mdio_xsmi_read; 304 bus->write = orion_mdio_xsmi_write; 305 break; 306 } 307 308 bus->name = "orion_mdio_bus"; 309 snprintf(bus->id, MII_BUS_ID_SIZE, "%s-mii", 310 dev_name(&pdev->dev)); 311 bus->parent = &pdev->dev; 312 313 dev = bus->priv; 314 dev->regs = devm_ioremap(&pdev->dev, r->start, resource_size(r)); 315 if (!dev->regs) { 316 dev_err(&pdev->dev, "Unable to remap SMI register\n"); 317 return -ENODEV; 318 } 319 320 init_waitqueue_head(&dev->smi_busy_wait); 321 322 for (i = 0; i < ARRAY_SIZE(dev->clk); i++) { 323 dev->clk[i] = of_clk_get(pdev->dev.of_node, i); 324 if (IS_ERR(dev->clk[i])) 325 break; 326 clk_prepare_enable(dev->clk[i]); 327 } 328 329 if (!IS_ERR(of_clk_get(pdev->dev.of_node, i))) > 330 dev_warn(dev, "unsupported number of clocks, limiting to the first " 331 __stringify(ARRAY_SIZE(dev->clk)) "\n"); 332 333 dev->err_interrupt = platform_get_irq(pdev, 0); 334 if (dev->err_interrupt > 0 && 335 resource_size(r) < MVMDIO_ERR_INT_MASK + 4) { 336 dev_err(&pdev->dev, 337 "disabling interrupt, resource size is too small\n"); 338 dev->err_interrupt = 0; 339 } 340 if (dev->err_interrupt > 0) { 341 ret = devm_request_irq(&pdev->dev, dev->err_interrupt, 342 orion_mdio_err_irq, 343 IRQF_SHARED, pdev->name, dev); 344 if (ret) 345 goto out_mdio; 346 347 writel(MVMDIO_ERR_INT_SMI_DONE, 348 dev->regs + MVMDIO_ERR_INT_MASK); 349 350 } else if (dev->err_interrupt == -EPROBE_DEFER) { 351 ret = -EPROBE_DEFER; 352 goto out_mdio; 353 } 354 355 ret = of_mdiobus_register(bus, pdev->dev.of_node); 356 if (ret < 0) { 357 dev_err(&pdev->dev, "Cannot register MDIO bus (%d)\n", ret); 358 goto out_mdio; 359 } 360 361 platform_set_drvdata(pdev, bus); 362 363 return 0; 364 365 out_mdio: 366 if (dev->err_interrupt > 0) 367 writel(0, dev->regs + MVMDIO_ERR_INT_MASK); 368 369 for (i = 0; i < ARRAY_SIZE(dev->clk); i++) { 370 if (IS_ERR(dev->clk[i])) 371 break; 372 clk_disable_unprepare(dev->clk[i]); 373 clk_put(dev->clk[i]); 374 } 375 376 return ret; 377 } 378 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation