tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git gpiochip-no-driver-h head: 2ade795a7e0399423f07a9b077b820792be52f5c commit: 2ade795a7e0399423f07a9b077b820792be52f5c [1/1] See what explodes if we apply this patch config: i386-randconfig-s001-20200702 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-3-gfa153962-dirty git checkout 2ade795a7e0399423f07a9b077b820792be52f5c # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/linux/gpio.h:62, from include/linux/bcma/bcma_driver_chipcommon.h:6, from include/linux/bcma/bcma.h:9, from drivers/usb/host/bcma-hcd.c:21: include/asm-generic/gpio.h: In function 'gpio_to_chip': include/asm-generic/gpio.h:58:9: error: implicit declaration of function 'gpiod_to_chip'; did you mean 'gpio_to_chip'? [-Werror=implicit-function-declaration] 58 | return gpiod_to_chip(gpio_to_desc(gpio)); | ^~~~~~~~~~~~~ | gpio_to_chip include/asm-generic/gpio.h:58:9: warning: returning 'int' from a function with return type 'struct gpio_chip *' makes pointer from integer without a cast [-Wint-conversion] 58 | return gpiod_to_chip(gpio_to_desc(gpio)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/bcma/bcma.h:9, from drivers/usb/host/bcma-hcd.c:21: include/linux/bcma/bcma_driver_chipcommon.h: At top level: include/linux/bcma/bcma_driver_chipcommon.h:647:19: error: field 'gpio' has incomplete type 647 | struct gpio_chip gpio; | ^~~~ In file included from include/linux/bcma/bcma.h:14, from drivers/usb/host/bcma-hcd.c:21: >> include/linux/ssb/ssb.h:496:19: error: field 'gpio' has incomplete type 496 | struct gpio_chip gpio; | ^~~~ In file included from include/linux/of_gpio.h:14, from drivers/usb/host/bcma-hcd.c:28: include/linux/gpio/driver.h:744:19: error: conflicting types for 'gpiod_to_chip' 744 | struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc); | ^~~~~~~~~~~~~ In file included from include/linux/gpio.h:62, from include/linux/bcma/bcma_driver_chipcommon.h:6, from include/linux/bcma/bcma.h:9, from drivers/usb/host/bcma-hcd.c:21: include/asm-generic/gpio.h:58:9: note: previous implicit declaration of 'gpiod_to_chip' was here 58 | return gpiod_to_chip(gpio_to_desc(gpio)); | ^~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/gpio.h:62, from include/linux/ssb/ssb.h:10, from drivers/usb/host/ssb-hcd.c:20: include/asm-generic/gpio.h: In function 'gpio_to_chip': include/asm-generic/gpio.h:58:9: error: implicit declaration of function 'gpiod_to_chip'; did you mean 'gpio_to_chip'? [-Werror=implicit-function-declaration] 58 | return gpiod_to_chip(gpio_to_desc(gpio)); | ^~~~~~~~~~~~~ | gpio_to_chip include/asm-generic/gpio.h:58:9: warning: returning 'int' from a function with return type 'struct gpio_chip *' makes pointer from integer without a cast [-Wint-conversion] 58 | return gpiod_to_chip(gpio_to_desc(gpio)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/usb/host/ssb-hcd.c:20: include/linux/ssb/ssb.h: At top level: >> include/linux/ssb/ssb.h:496:19: error: field 'gpio' has incomplete type 496 | struct gpio_chip gpio; | ^~~~ cc1: some warnings being treated as errors vim +/gpio +496 include/linux/ssb/ssb.h 61e115a56d1aaf Michael Buesch 2007-09-18 454 61e115a56d1aaf Michael Buesch 2007-09-18 455 /* ID information about the Chip. */ 61e115a56d1aaf Michael Buesch 2007-09-18 456 u16 chip_id; ce57d9e694d98e Rafał Miłecki 2011-04-01 457 u8 chip_rev; ea2db495f92ad2 Rafał Miłecki 2010-03-31 458 u16 sprom_offset; c272ef4403c271 Larry Finger 2007-11-09 459 u16 sprom_size; /* number of words in sprom */ 61e115a56d1aaf Michael Buesch 2007-09-18 460 u8 chip_package; 61e115a56d1aaf Michael Buesch 2007-09-18 461 61e115a56d1aaf Michael Buesch 2007-09-18 462 /* List of devices (cores) on the backplane. */ 61e115a56d1aaf Michael Buesch 2007-09-18 463 struct ssb_device devices[SSB_MAX_NR_CORES]; 61e115a56d1aaf Michael Buesch 2007-09-18 464 u8 nr_devices; 61e115a56d1aaf Michael Buesch 2007-09-18 465 61e115a56d1aaf Michael Buesch 2007-09-18 466 /* Software ID number for this bus. */ 61e115a56d1aaf Michael Buesch 2007-09-18 467 unsigned int busnumber; 61e115a56d1aaf Michael Buesch 2007-09-18 468 61e115a56d1aaf Michael Buesch 2007-09-18 469 /* The ChipCommon device (if available). */ 61e115a56d1aaf Michael Buesch 2007-09-18 470 struct ssb_chipcommon chipco; 61e115a56d1aaf Michael Buesch 2007-09-18 471 /* The PCI-core device (if available). */ 61e115a56d1aaf Michael Buesch 2007-09-18 472 struct ssb_pcicore pcicore; 61e115a56d1aaf Michael Buesch 2007-09-18 473 /* The MIPS-core device (if available). */ 61e115a56d1aaf Michael Buesch 2007-09-18 474 struct ssb_mipscore mipscore; 61e115a56d1aaf Michael Buesch 2007-09-18 475 /* The EXTif-core device (if available). */ 61e115a56d1aaf Michael Buesch 2007-09-18 476 struct ssb_extif extif; 61e115a56d1aaf Michael Buesch 2007-09-18 477 61e115a56d1aaf Michael Buesch 2007-09-18 478 /* The following structure elements are not available in early 61e115a56d1aaf Michael Buesch 2007-09-18 479 * SSB initialization. Though, they are available for regular 61e115a56d1aaf Michael Buesch 2007-09-18 480 * registered drivers at any stage. So be careful when 61e115a56d1aaf Michael Buesch 2007-09-18 481 * using them in the ssb core code. */ 61e115a56d1aaf Michael Buesch 2007-09-18 482 61e115a56d1aaf Michael Buesch 2007-09-18 483 /* ID information about the PCB. */ 61e115a56d1aaf Michael Buesch 2007-09-18 484 struct ssb_boardinfo boardinfo; 61e115a56d1aaf Michael Buesch 2007-09-18 485 /* Contents of the SPROM. */ 61e115a56d1aaf Michael Buesch 2007-09-18 486 struct ssb_sprom sprom; 7cb4461520f307 Michael Buesch 2008-02-19 487 /* If the board has a cardbus slot, this is set to true. */ 7cb4461520f307 Michael Buesch 2008-02-19 488 bool has_cardbus_slot; 61e115a56d1aaf Michael Buesch 2007-09-18 489 53521d8c90d366 Michael Buesch 2008-02-19 490 #ifdef CONFIG_SSB_EMBEDDED 53521d8c90d366 Michael Buesch 2008-02-19 491 /* Lock for GPIO register access. */ 53521d8c90d366 Michael Buesch 2008-02-19 492 spinlock_t gpio_lock; bde327eff8a722 Hauke Mehrtens 2012-12-05 493 struct platform_device *watchdog; 53521d8c90d366 Michael Buesch 2008-02-19 494 #endif /* EMBEDDED */ ec43b08b573349 Hauke Mehrtens 2012-11-20 495 #ifdef CONFIG_SSB_DRIVER_GPIO ec43b08b573349 Hauke Mehrtens 2012-11-20 @496 struct gpio_chip gpio; 7c1bc0da3206de Rafał Miłecki 2014-01-13 497 struct irq_domain *irq_domain; ec43b08b573349 Hauke Mehrtens 2012-11-20 498 #endif /* DRIVER_GPIO */ 53521d8c90d366 Michael Buesch 2008-02-19 499 61e115a56d1aaf Michael Buesch 2007-09-18 500 /* Internal-only stuff follows. Do not touch. */ 61e115a56d1aaf Michael Buesch 2007-09-18 501 struct list_head list; 61e115a56d1aaf Michael Buesch 2007-09-18 502 /* Is the bus already powered up? */ 61e115a56d1aaf Michael Buesch 2007-09-18 503 bool powered_up; 61e115a56d1aaf Michael Buesch 2007-09-18 504 int power_warn_count; 61e115a56d1aaf Michael Buesch 2007-09-18 505 }; 61e115a56d1aaf Michael Buesch 2007-09-18 506 :::::: The code at line 496 was first introduced by commit :::::: ec43b08b5733494ad88aa618ecdf534320dd8207 ssb: add GPIO driver :::::: TO: Hauke Mehrtens <hauke@xxxxxxxxxx> :::::: CC: John Crispin <blogic@xxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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