tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/linusw/linux-gpio.git devel-gpio-driver-isolation head: 913bead035f39e059ce462d3bbd137d2a223bb0c commit: 2e7bfc286b22879e076690e121e967a89cf48ae6 [51/59] gpio: Drop driver header from legacy header include config: x86_64-randconfig-c001-201934 (attached as .config) compiler: gcc-7 (Debian 7.4.0-11) 7.4.0 reproduce: git checkout 2e7bfc286b22879e076690e121e967a89cf48ae6 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from include/linux/export.h:45:0, from include/linux/linkage.h:7, from include/linux/kernel.h:8, from drivers/net//phy/spi_ks8995.c:14: drivers/net//phy/spi_ks8995.c: In function 'ks8995_probe': drivers/net//phy/spi_ks8995.c:467:19: error: implicit declaration of function 'gpio_is_valid'; did you mean 'uuid_is_valid'? [-Werror=implicit-function-declaration] if (ks->pdata && gpio_is_valid(ks->pdata->reset_gpio)) { ^ include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ >> drivers/net//phy/spi_ks8995.c:467:2: note: in expansion of macro 'if' if (ks->pdata && gpio_is_valid(ks->pdata->reset_gpio)) { ^~ drivers/net//phy/spi_ks8995.c:471:5: error: 'GPIOF_ACTIVE_LOW' undeclared (first use in this function); did you mean 'OF_GPIO_ACTIVE_LOW'? GPIOF_ACTIVE_LOW : 0); ^~~~~~~~~~~~~~~~ OF_GPIO_ACTIVE_LOW drivers/net//phy/spi_ks8995.c:471:5: note: each undeclared identifier is reported only once for each function it appears in drivers/net//phy/spi_ks8995.c:473:9: error: implicit declaration of function 'devm_gpio_request_one'; did you mean 'devm_gpiod_get_optional'? [-Werror=implicit-function-declaration] err = devm_gpio_request_one(&spi->dev, ^~~~~~~~~~~~~~~~~~~~~ devm_gpiod_get_optional cc1: some warnings being treated as errors vim +/if +467 drivers/net//phy/spi_ks8995.c a8e510f682fe6d Frederic LAMBERT 2011-12-18 431 a8e510f682fe6d Frederic LAMBERT 2011-12-18 432 /* ------------------------------------------------------------------------ */ 633d1594974b33 Bill Pemberton 2012-12-03 433 static int ks8995_probe(struct spi_device *spi) a8e510f682fe6d Frederic LAMBERT 2011-12-18 434 { a8e510f682fe6d Frederic LAMBERT 2011-12-18 435 struct ks8995_switch *ks; a8e510f682fe6d Frederic LAMBERT 2011-12-18 436 int err; aa54c8da9a8e48 Helmut Buchsbaum 2016-02-09 437 int variant = spi_get_device_id(spi)->driver_data; a8e510f682fe6d Frederic LAMBERT 2011-12-18 438 aa54c8da9a8e48 Helmut Buchsbaum 2016-02-09 439 if (variant >= max_variant) { aa54c8da9a8e48 Helmut Buchsbaum 2016-02-09 440 dev_err(&spi->dev, "bad chip variant %d\n", variant); aa54c8da9a8e48 Helmut Buchsbaum 2016-02-09 441 return -ENODEV; aa54c8da9a8e48 Helmut Buchsbaum 2016-02-09 442 } aa54c8da9a8e48 Helmut Buchsbaum 2016-02-09 443 b32a8b6410b9e7 Himangi Saraogi 2014-08-03 444 ks = devm_kzalloc(&spi->dev, sizeof(*ks), GFP_KERNEL); e68ed8f0d8f5b0 Joe Perches 2013-02-03 445 if (!ks) a8e510f682fe6d Frederic LAMBERT 2011-12-18 446 return -ENOMEM; a8e510f682fe6d Frederic LAMBERT 2011-12-18 447 a8e510f682fe6d Frederic LAMBERT 2011-12-18 448 mutex_init(&ks->lock); a1459c1c9ebcd7 Mark Brown 2016-04-20 449 ks->spi = spi; aa54c8da9a8e48 Helmut Buchsbaum 2016-02-09 450 ks->chip = &ks8995_chip[variant]; aa54c8da9a8e48 Helmut Buchsbaum 2016-02-09 451 cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 452 if (ks->spi->dev.of_node) { cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 453 ks->pdata = devm_kzalloc(&spi->dev, sizeof(*ks->pdata), cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 454 GFP_KERNEL); cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 455 if (!ks->pdata) cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 456 return -ENOMEM; cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 457 cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 458 ks->pdata->reset_gpio = -1; cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 459 cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 460 ks8995_parse_dt(ks); cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 461 } cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 462 cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 463 if (!ks->pdata) cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 464 ks->pdata = spi->dev.platform_data; cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 465 cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 466 /* de-assert switch reset */ cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 @467 if (ks->pdata && gpio_is_valid(ks->pdata->reset_gpio)) { cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 468 unsigned long flags; cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 469 cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 470 flags = (ks->pdata->reset_gpio_flags == OF_GPIO_ACTIVE_LOW ? cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 471 GPIOF_ACTIVE_LOW : 0); cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 472 cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 473 err = devm_gpio_request_one(&spi->dev, cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 474 ks->pdata->reset_gpio, cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 475 flags, "switch-reset"); cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 476 if (err) { cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 477 dev_err(&spi->dev, cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 478 "failed to get reset-gpios: %d\n", err); cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 479 return -EIO; cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 480 } cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 481 cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 482 gpiod_set_value(gpio_to_desc(ks->pdata->reset_gpio), 0); cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 483 } cd6f288cbaab65 Helmut Buchsbaum 2016-02-09 484 5d5f18460f451d Jingoo Han 2013-04-05 485 spi_set_drvdata(spi, ks); a8e510f682fe6d Frederic LAMBERT 2011-12-18 486 a8e510f682fe6d Frederic LAMBERT 2011-12-18 487 spi->mode = SPI_MODE_0; a8e510f682fe6d Frederic LAMBERT 2011-12-18 488 spi->bits_per_word = 8; a8e510f682fe6d Frederic LAMBERT 2011-12-18 489 err = spi_setup(spi); a8e510f682fe6d Frederic LAMBERT 2011-12-18 490 if (err) { a8e510f682fe6d Frederic LAMBERT 2011-12-18 491 dev_err(&spi->dev, "spi_setup failed, err=%d\n", err); b32a8b6410b9e7 Himangi Saraogi 2014-08-03 492 return err; a8e510f682fe6d Frederic LAMBERT 2011-12-18 493 } a8e510f682fe6d Frederic LAMBERT 2011-12-18 494 484e36ff18341c Helmut Buchsbaum 2016-02-09 495 err = ks8995_get_revision(ks); 484e36ff18341c Helmut Buchsbaum 2016-02-09 496 if (err) b32a8b6410b9e7 Himangi Saraogi 2014-08-03 497 return err; a8e510f682fe6d Frederic LAMBERT 2011-12-18 498 240a12d58e3935 Philipp Zabel 2014-04-03 499 memcpy(&ks->regs_attr, &ks8995_registers_attr, sizeof(ks->regs_attr)); 239870f2a0ebf7 Blomme, Maarten 2017-03-02 500 ks->regs_attr.size = ks->chip->regs_size; 240a12d58e3935 Philipp Zabel 2014-04-03 501 a8e510f682fe6d Frederic LAMBERT 2011-12-18 502 err = ks8995_reset(ks); a8e510f682fe6d Frederic LAMBERT 2011-12-18 503 if (err) b32a8b6410b9e7 Himangi Saraogi 2014-08-03 504 return err; a8e510f682fe6d Frederic LAMBERT 2011-12-18 505 4342696df764ec Blomme, Maarten 2017-03-02 506 sysfs_attr_init(&ks->regs_attr.attr); 240a12d58e3935 Philipp Zabel 2014-04-03 507 err = sysfs_create_bin_file(&spi->dev.kobj, &ks->regs_attr); a8e510f682fe6d Frederic LAMBERT 2011-12-18 508 if (err) { a8e510f682fe6d Frederic LAMBERT 2011-12-18 509 dev_err(&spi->dev, "unable to create sysfs file, err=%d\n", a8e510f682fe6d Frederic LAMBERT 2011-12-18 510 err); b32a8b6410b9e7 Himangi Saraogi 2014-08-03 511 return err; a8e510f682fe6d Frederic LAMBERT 2011-12-18 512 } a8e510f682fe6d Frederic LAMBERT 2011-12-18 513 484e36ff18341c Helmut Buchsbaum 2016-02-09 514 dev_info(&spi->dev, "%s device found, Chip ID:%x, Revision:%x\n", 484e36ff18341c Helmut Buchsbaum 2016-02-09 515 ks->chip->name, ks->chip->chip_id, ks->revision_id); a8e510f682fe6d Frederic LAMBERT 2011-12-18 516 a8e510f682fe6d Frederic LAMBERT 2011-12-18 517 return 0; a8e510f682fe6d Frederic LAMBERT 2011-12-18 518 } a8e510f682fe6d Frederic LAMBERT 2011-12-18 519 :::::: The code at line 467 was first introduced by commit :::::: cd6f288cbaab656cebd524c5ef2388c11378c827 net: phy: spi_ks8995: add support for resetting switch using GPIO :::::: TO: Helmut Buchsbaum <helmut.buchsbaum@xxxxxxxxx> :::::: CC: David S. Miller <davem@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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