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: arm-randconfig-r013-20200701 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project ca464639a1c9dd3944eb055ffd2796e8c2e7639f) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi git checkout 2ade795a7e0399423f07a9b077b820792be52f5c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): In file included from drivers/extcon/extcon-arizona.c:15: In file included from include/linux/gpio.h:59: In file included from arch/arm/include/asm/gpio.h:10: >> include/asm-generic/gpio.h:58:9: error: implicit declaration of function 'gpiod_to_chip' [-Werror,-Wimplicit-function-declaration] return gpiod_to_chip(gpio_to_desc(gpio)); ^ include/asm-generic/gpio.h:58:9: note: did you mean 'gpio_to_chip'? include/asm-generic/gpio.h:56:33: note: 'gpio_to_chip' declared here static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ >> include/asm-generic/gpio.h:58:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct gpio_chip *' [-Wint-conversion] return gpiod_to_chip(gpio_to_desc(gpio)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from drivers/extcon/extcon-usb-gpio.c:10: In file included from include/linux/gpio.h:59: In file included from arch/arm/include/asm/gpio.h:10: >> include/asm-generic/gpio.h:58:9: error: implicit declaration of function 'gpiod_to_chip' [-Werror,-Wimplicit-function-declaration] return gpiod_to_chip(gpio_to_desc(gpio)); ^ include/asm-generic/gpio.h:58:9: note: did you mean 'gpio_to_chip'? include/asm-generic/gpio.h:56:33: note: 'gpio_to_chip' declared here static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ >> include/asm-generic/gpio.h:58:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct gpio_chip *' [-Wint-conversion] return gpiod_to_chip(gpio_to_desc(gpio)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/extcon/extcon-usb-gpio.c:17: In file included from include/linux/of_gpio.h:14: include/linux/gpio/driver.h:744:19: error: conflicting types for 'gpiod_to_chip' struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc); ^ include/asm-generic/gpio.h:58:9: note: previous implicit declaration is here return gpiod_to_chip(gpio_to_desc(gpio)); ^ 1 warning and 2 errors generated. -- In file included from drivers/pinctrl/core.c:30: >> include/asm-generic/gpio.h:58:9: error: implicit declaration of function 'gpiod_to_chip' [-Werror,-Wimplicit-function-declaration] return gpiod_to_chip(gpio_to_desc(gpio)); ^ include/asm-generic/gpio.h:58:9: note: did you mean 'gpio_to_chip'? include/asm-generic/gpio.h:56:33: note: 'gpio_to_chip' declared here static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ >> include/asm-generic/gpio.h:58:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct gpio_chip *' [-Wint-conversion] return gpiod_to_chip(gpio_to_desc(gpio)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/pinctrl/core.c:339:45: error: incomplete definition of type 'struct gpio_chip' if (range->base + range->npins - 1 < chip->base || ~~~~^ include/linux/pinctrl/pinctrl.h:26:8: note: forward declaration of 'struct gpio_chip' struct gpio_chip; ^ drivers/pinctrl/core.c:340:26: error: incomplete definition of type 'struct gpio_chip' range->base > chip->base + chip->ngpio - 1) ~~~~^ include/linux/pinctrl/pinctrl.h:26:8: note: forward declaration of 'struct gpio_chip' struct gpio_chip; ^ drivers/pinctrl/core.c:340:39: error: incomplete definition of type 'struct gpio_chip' range->base > chip->base + chip->ngpio - 1) ~~~~^ include/linux/pinctrl/pinctrl.h:26:8: note: forward declaration of 'struct gpio_chip' struct gpio_chip; ^ 1 warning and 4 errors generated. -- In file included from drivers/gpio/gpio-max7300.c:13: In file included from include/linux/spi/max7301.h:5: In file included from include/linux/gpio.h:59: In file included from arch/arm/include/asm/gpio.h:10: >> include/asm-generic/gpio.h:58:9: error: implicit declaration of function 'gpiod_to_chip' [-Werror,-Wimplicit-function-declaration] return gpiod_to_chip(gpio_to_desc(gpio)); ^ include/asm-generic/gpio.h:58:9: note: did you mean 'gpio_to_chip'? include/asm-generic/gpio.h:56:33: note: 'gpio_to_chip' declared here static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ >> include/asm-generic/gpio.h:58:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct gpio_chip *' [-Wint-conversion] return gpiod_to_chip(gpio_to_desc(gpio)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpio/gpio-max7300.c:13: >> include/linux/spi/max7301.h:16:19: error: field has incomplete type 'struct gpio_chip' struct gpio_chip chip; ^ include/asm-generic/gpio.h:56:22: note: forward declaration of 'struct gpio_chip' static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ 1 warning and 2 errors generated. -- In file included from drivers/gpio/gpio-max730x.c:34: In file included from include/linux/spi/max7301.h:5: In file included from include/linux/gpio.h:59: In file included from arch/arm/include/asm/gpio.h:10: >> include/asm-generic/gpio.h:58:9: error: implicit declaration of function 'gpiod_to_chip' [-Werror,-Wimplicit-function-declaration] return gpiod_to_chip(gpio_to_desc(gpio)); ^ include/asm-generic/gpio.h:58:9: note: did you mean 'gpio_to_chip'? include/asm-generic/gpio.h:56:33: note: 'gpio_to_chip' declared here static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ >> include/asm-generic/gpio.h:58:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct gpio_chip *' [-Wint-conversion] return gpiod_to_chip(gpio_to_desc(gpio)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpio/gpio-max730x.c:34: >> include/linux/spi/max7301.h:16:19: error: field has incomplete type 'struct gpio_chip' struct gpio_chip chip; ^ include/asm-generic/gpio.h:56:22: note: forward declaration of 'struct gpio_chip' static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ In file included from drivers/gpio/gpio-max730x.c:35: include/linux/gpio/driver.h:744:19: error: conflicting types for 'gpiod_to_chip' struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc); ^ include/asm-generic/gpio.h:58:9: note: previous implicit declaration is here return gpiod_to_chip(gpio_to_desc(gpio)); ^ 1 warning and 3 errors generated. -- In file included from drivers/mfd/ucb1400_core.c:23: In file included from include/linux/ucb1400.h:26: In file included from include/linux/gpio.h:59: In file included from arch/arm/include/asm/gpio.h:10: >> include/asm-generic/gpio.h:58:9: error: implicit declaration of function 'gpiod_to_chip' [-Werror,-Wimplicit-function-declaration] return gpiod_to_chip(gpio_to_desc(gpio)); ^ include/asm-generic/gpio.h:58:9: note: did you mean 'gpio_to_chip'? include/asm-generic/gpio.h:56:33: note: 'gpio_to_chip' declared here static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ >> include/asm-generic/gpio.h:58:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct gpio_chip *' [-Wint-conversion] return gpiod_to_chip(gpio_to_desc(gpio)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/mfd/ucb1400_core.c:23: >> include/linux/ucb1400.h:84:19: error: field has incomplete type 'struct gpio_chip' struct gpio_chip gc; ^ include/asm-generic/gpio.h:56:22: note: forward declaration of 'struct gpio_chip' static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ 1 warning and 2 errors generated. -- In file included from drivers/leds/leds-pca955x.c:43: In file included from include/linux/gpio.h:59: In file included from arch/arm/include/asm/gpio.h:10: >> include/asm-generic/gpio.h:58:9: error: implicit declaration of function 'gpiod_to_chip' [-Werror,-Wimplicit-function-declaration] return gpiod_to_chip(gpio_to_desc(gpio)); ^ include/asm-generic/gpio.h:58:9: note: did you mean 'gpio_to_chip'? include/asm-generic/gpio.h:56:33: note: 'gpio_to_chip' declared here static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ >> include/asm-generic/gpio.h:58:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct gpio_chip *' [-Wint-conversion] return gpiod_to_chip(gpio_to_desc(gpio)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/leds/leds-pca955x.c:115:19: error: field has incomplete type 'struct gpio_chip' struct gpio_chip gpio; ^ include/asm-generic/gpio.h:56:22: note: forward declaration of 'struct gpio_chip' static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ >> drivers/leds/leds-pca955x.c:307:28: error: implicit declaration of function 'gpiochip_get_data' [-Werror,-Wimplicit-function-declaration] struct pca955x *pca955x = gpiochip_get_data(gc); ^ >> drivers/leds/leds-pca955x.c:307:18: warning: incompatible integer to pointer conversion initializing 'struct pca955x *' with an expression of type 'int' [-Wint-conversion] struct pca955x *pca955x = gpiochip_get_data(gc); ^ ~~~~~~~~~~~~~~~~~~~~~ drivers/leds/leds-pca955x.c:319:28: error: implicit declaration of function 'gpiochip_get_data' [-Werror,-Wimplicit-function-declaration] struct pca955x *pca955x = gpiochip_get_data(gc); ^ drivers/leds/leds-pca955x.c:319:18: warning: incompatible integer to pointer conversion initializing 'struct pca955x *' with an expression of type 'int' [-Wint-conversion] struct pca955x *pca955x = gpiochip_get_data(gc); ^ ~~~~~~~~~~~~~~~~~~~~~ drivers/leds/leds-pca955x.c:336:28: error: implicit declaration of function 'gpiochip_get_data' [-Werror,-Wimplicit-function-declaration] struct pca955x *pca955x = gpiochip_get_data(gc); ^ drivers/leds/leds-pca955x.c:336:18: warning: incompatible integer to pointer conversion initializing 'struct pca955x *' with an expression of type 'int' [-Wint-conversion] struct pca955x *pca955x = gpiochip_get_data(gc); ^ ~~~~~~~~~~~~~~~~~~~~~ drivers/leds/leds-pca955x.c:349:28: error: implicit declaration of function 'gpiochip_get_data' [-Werror,-Wimplicit-function-declaration] struct pca955x *pca955x = gpiochip_get_data(gc); ^ drivers/leds/leds-pca955x.c:349:18: warning: incompatible integer to pointer conversion initializing 'struct pca955x *' with an expression of type 'int' [-Wint-conversion] struct pca955x *pca955x = gpiochip_get_data(gc); ^ ~~~~~~~~~~~~~~~~~~~~~ >> drivers/leds/leds-pca955x.c:554:9: error: implicit declaration of function 'devm_gpiochip_add_data' [-Werror,-Wimplicit-function-declaration] err = devm_gpiochip_add_data(&client->dev, &pca955x->gpio, ^ 5 warnings and 7 errors generated. -- In file included from drivers/bcma/main.c:8: In file included from drivers/bcma/bcma_private.h:9: In file included from include/linux/bcma/bcma.h:9: In file included from include/linux/bcma/bcma_driver_chipcommon.h:6: In file included from include/linux/gpio.h:59: In file included from arch/arm/include/asm/gpio.h:10: >> include/asm-generic/gpio.h:58:9: error: implicit declaration of function 'gpiod_to_chip' [-Werror,-Wimplicit-function-declaration] return gpiod_to_chip(gpio_to_desc(gpio)); ^ include/asm-generic/gpio.h:58:9: note: did you mean 'gpio_to_chip'? include/asm-generic/gpio.h:56:33: note: 'gpio_to_chip' declared here static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ >> include/asm-generic/gpio.h:58:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct gpio_chip *' [-Wint-conversion] return gpiod_to_chip(gpio_to_desc(gpio)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/bcma/main.c:8: In file included from drivers/bcma/bcma_private.h:9: In file included from include/linux/bcma/bcma.h:9: >> include/linux/bcma/bcma_driver_chipcommon.h:647:19: error: field has incomplete type 'struct gpio_chip' struct gpio_chip gpio; ^ include/asm-generic/gpio.h:56:22: note: forward declaration of 'struct gpio_chip' static inline struct gpio_chip *gpio_to_chip(unsigned gpio) ^ 1 warning and 2 errors generated. vim +/gpiod_to_chip +58 include/asm-generic/gpio.h d2876d08d86f22 David Brownell 2008-02-04 54 79a9becda8940d Alexandre Courbot 2013-10-17 55 /* caller holds gpio_lock *OR* gpio is marked as requested */ 79a9becda8940d Alexandre Courbot 2013-10-17 56 static inline struct gpio_chip *gpio_to_chip(unsigned gpio) 79a9becda8940d Alexandre Courbot 2013-10-17 57 { 79a9becda8940d Alexandre Courbot 2013-10-17 @58 return gpiod_to_chip(gpio_to_desc(gpio)); 79a9becda8940d Alexandre Courbot 2013-10-17 59 } d2876d08d86f22 David Brownell 2008-02-04 60 :::::: The code at line 58 was first introduced by commit :::::: 79a9becda8940deb2274b5aa4577c86d52ee7ecb gpiolib: export descriptor-based GPIO interface :::::: TO: Alexandre Courbot <acourbot@xxxxxxxxxx> :::::: CC: Linus Walleij <linus.walleij@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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