tree: https://github.com/stffrdhrn/linux.git starfive-bad-dcache-flush head: a5c948a9cc2b8944f00056c067fb7bde19b34843 commit: 4482cc40078eac952205e48d9937419f5808d6a2 [2/39] gpio: starfive-vic: Add StarFive VIC GPIO driver config: nios2-randconfig-s032-20210522 (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/stffrdhrn/linux/commit/4482cc40078eac952205e48d9937419... git remote add stffrdhrn https://github.com/stffrdhrn/linux.git git fetch --no-tags stffrdhrn starfive-bad-dcache-flush git checkout 4482cc40078eac952205e48d9937419f5808d6a2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): 348 | void sf_vic_gpio_dout_reverse(int gpio, int en) | ^~~~~~~~~~~~~~~~~~~~~~~~ 367 | void sf_vic_gpio_dout_value(int gpio, int v) | ^~~~~~~~~~~~~~~~~~~~~~ 385 | void sf_vic_gpio_dout_low(int gpio) | ^~~~~~~~~~~~~~~~~~~~ 391 | void sf_vic_gpio_dout_high(int gpio) | ^~~~~~~~~~~~~~~~~~~~~ 397 | void sf_vic_gpio_doen_reverse(int gpio, int en) | ^~~~~~~~~~~~~~~~~~~~~~~~ 416 | void sf_vic_gpio_doen_value(int gpio, int v) | ^~~~~~~~~~~~~~~~~~~~~~ 435 | void sf_vic_gpio_doen_low(int gpio) | ^~~~~~~~~~~~~~~~~~~~ 441 | void sf_vic_gpio_doen_high(int gpio) | ^~~~~~~~~~~~~~~~~~~~~ 447 | void sf_vic_gpio_manual(int offset, int v) | ^~~~~~~~~~~~~~~~~~ drivers/gpio/gpio-starfive-vic.c: In function 'starfive_gpio_probe': 522 | ret = devm_request_irq(dev, irq, starfive_irq_handler, IRQF_SHARED, | ^~~~~~~~~~~~~~~~ | can_request_irq 522 | ret = devm_request_irq(dev, irq, starfive_irq_handler, IRQF_SHARED, | ^~~~~~~~~~~ | VM_SHARED drivers/gpio/gpio-starfive-vic.c:522:57: note: each undeclared identifier is reported only once for each function it appears in cc1: some warnings being treated as errors Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for SERIAL_CORE_CONSOLE Depends on TTY && HAS_IOMEM Selected by - EARLY_PRINTK vim +522 drivers/gpio/gpio-starfive-vic.c 347 349 { 350 unsigned int value; 351 int offset; 352 353 if (!gpio_base) 354 return; 355 356 offset = gpio * 8 + GPIO_DOUT_X_REG; 357 358 spin_lock(&sfg_lock); 359 value = ioread32(gpio_base + offset); 360 value &= ~(0x1 << 31); 361 value |= (en & 0x1) << 31; 362 iowrite32(value, gpio_base + offset); 363 spin_unlock(&sfg_lock); 364 } 365 EXPORT_SYMBOL_GPL(sf_vic_gpio_dout_reverse); 366 368 { 369 unsigned int value; 370 int offset; 371 372 if (!gpio_base) 373 return; 374 375 offset = gpio * 8 + GPIO_DOUT_X_REG; 376 spin_lock(&sfg_lock); 377 value = ioread32(gpio_base + offset); 378 value &= ~(0xFF); 379 value |= (v&0xFF); 380 iowrite32(value, gpio_base + offset); 381 spin_unlock(&sfg_lock); 382 } 383 EXPORT_SYMBOL_GPL(sf_vic_gpio_dout_value); 384 386 { 387 sf_vic_gpio_dout_value(gpio, 0); 388 } 389 EXPORT_SYMBOL_GPL(sf_vic_gpio_dout_low); 390 392 { 393 sf_vic_gpio_dout_value(gpio, 1); 394 } 395 EXPORT_SYMBOL_GPL(sf_vic_gpio_dout_high); 396 398 { 399 unsigned int value; 400 int offset; 401 402 if (!gpio_base) 403 return; 404 405 offset = gpio * 8 + GPIO_DOEN_X_REG; 406 407 spin_lock(&sfg_lock); 408 value = ioread32(gpio_base + offset); 409 value &= ~(0x1 << 31); 410 value |= (en & 0x1) << 31; 411 iowrite32(value, gpio_base + offset); 412 spin_unlock(&sfg_lock); 413 } 414 EXPORT_SYMBOL_GPL(sf_vic_gpio_doen_reverse); 415 417 { 418 unsigned int value; 419 int offset; 420 421 if (!gpio_base) 422 return; 423 424 offset = gpio * 8 + GPIO_DOEN_X_REG; 425 426 spin_lock(&sfg_lock); 427 value = ioread32(gpio_base + offset); 428 value &= ~(0xFF); 429 value |= (v&0xFF); 430 iowrite32(value, gpio_base + offset); 431 spin_unlock(&sfg_lock); 432 } 433 EXPORT_SYMBOL_GPL(sf_vic_gpio_doen_value); 434 436 { 437 sf_vic_gpio_doen_value(gpio, 0); 438 } 439 EXPORT_SYMBOL_GPL(sf_vic_gpio_doen_low); 440 442 { 443 sf_vic_gpio_doen_value(gpio, 1); 444 } 445 EXPORT_SYMBOL_GPL(sf_vic_gpio_doen_high); 446 448 { 449 unsigned int value; 450 451 if (!gpio_base) 452 return ; 453 454 spin_lock(&sfg_lock); 455 value = ioread32(gpio_base + offset); 456 value &= ~(0xFF); 457 value |= (v&0xFF); 458 iowrite32(value, gpio_base + offset); 459 spin_unlock(&sfg_lock); 460 } 461 EXPORT_SYMBOL_GPL(sf_vic_gpio_manual); 462 463 static int starfive_gpio_probe(struct platform_device *pdev) 464 { 465 struct device *dev = &pdev->dev; 466 struct starfive_gpio *chip; 467 struct gpio_irq_chip *girq; 468 struct resource *res; 469 int irq, ret, ngpio; 470 471 chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL); 472 if (!chip) { 473 dev_err(dev, "out of memory\n"); 474 return -ENOMEM; 475 } 476 477 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 478 chip->base = devm_ioremap_resource(dev, res); 479 if (IS_ERR(chip->base)) { 480 dev_err(dev, "failed to allocate device memory\n"); 481 return PTR_ERR(chip->base); 482 } 483 gpio_base = chip->base ; 484 485 irq = platform_get_irq(pdev, 0); 486 if (irq < 0) { 487 dev_err(dev, "Cannot get IRQ resource\n"); 488 return irq; 489 } 490 491 raw_spin_lock_init(&chip->lock); 492 chip->gc.direction_input = starfive_direction_input; 493 chip->gc.direction_output = starfive_direction_output; 494 chip->gc.get_direction = starfive_get_direction; 495 chip->gc.get = starfive_get_value; 496 chip->gc.set = starfive_set_value; 497 chip->gc.base = 0; 498 chip->gc.ngpio = 64; 499 chip->gc.label = dev_name(dev); 500 chip->gc.parent = dev; 501 chip->gc.owner = THIS_MODULE; 502 503 girq = &chip->gc.irq; 504 girq->chip = &starfive_irqchip; 505 girq->parent_handler = NULL; 506 girq->num_parents = 0; 507 girq->parents = NULL; 508 girq->default_type = IRQ_TYPE_NONE; 509 girq->handler = handle_simple_irq; 510 511 ret = gpiochip_add_data(&chip->gc, chip); 512 if (ret) { 513 dev_err(dev, "gpiochip_add_data ret=%d!\n", ret); 514 return ret; 515 } 516 517 /* Disable all GPIO interrupts before enabling parent interrupts */ 518 iowrite32(0, chip->base + GPIO_IE_HIGH); 519 iowrite32(0, chip->base + GPIO_IE_LOW); 520 chip->enabled = 0; 521 523 dev_name(dev), chip); 524 if (ret) { 525 dev_err(dev, "IRQ handler registering failed (%d)\n", ret); 526 return ret; 527 } 528 529 writel_relaxed(1, chip->base + GPIO_EN); 530 531 dev_info(dev, "StarFive GPIO chip registered %d GPIOs\n", ngpio); 532 533 return 0; 534 } 535 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org