tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 31bd35b66249699343d2416658f57e97314a433a commit: 21d9526d13b5467b0a6532e5a8b0eb04c01ce326 [932/8744] gpiolib: Make the legacy <linux/gpio.h> consumer-only config: mips-randconfig-r035-20230402 (https://download.01.org/0day-ci/archive/20230404/202304040830.kPrP1Qew-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) 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 mips cross compiling tool for clang build # apt-get install binutils-mipsel-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=21d9526d13b5467b0a6532e5a8b0eb04c01ce326 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 21d9526d13b5467b0a6532e5a8b0eb04c01ce326 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304040830.kPrP1Qew-lkp@xxxxxxxxx/ Note: the linux-next/master HEAD 31bd35b66249699343d2416658f57e97314a433a builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> arch/mips/ar7/gpio.c:19:19: error: field has incomplete type 'struct gpio_chip' struct gpio_chip chip; ^ arch/mips/ar7/gpio.c:19:9: note: forward declaration of 'struct gpio_chip' struct gpio_chip chip; ^ >> arch/mips/ar7/gpio.c:24:31: error: call to undeclared function 'gpiochip_get_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ >> arch/mips/ar7/gpio.c:24:24: error: incompatible integer to pointer conversion initializing 'struct ar7_gpio_chip *' with an expression of type 'int' [-Wint-conversion] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ ~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/ar7/gpio.c:32:31: error: call to undeclared function 'gpiochip_get_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ arch/mips/ar7/gpio.c:32:24: error: incompatible integer to pointer conversion initializing 'struct ar7_gpio_chip *' with an expression of type 'int' [-Wint-conversion] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ ~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/ar7/gpio.c:42:31: error: call to undeclared function 'gpiochip_get_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ arch/mips/ar7/gpio.c:42:24: error: incompatible integer to pointer conversion initializing 'struct ar7_gpio_chip *' with an expression of type 'int' [-Wint-conversion] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ ~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/ar7/gpio.c:55:31: error: call to undeclared function 'gpiochip_get_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ arch/mips/ar7/gpio.c:55:24: error: incompatible integer to pointer conversion initializing 'struct ar7_gpio_chip *' with an expression of type 'int' [-Wint-conversion] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ ~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/ar7/gpio.c:68:31: error: call to undeclared function 'gpiochip_get_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ arch/mips/ar7/gpio.c:68:24: error: incompatible integer to pointer conversion initializing 'struct ar7_gpio_chip *' with an expression of type 'int' [-Wint-conversion] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ ~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/ar7/gpio.c:78:31: error: call to undeclared function 'gpiochip_get_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ arch/mips/ar7/gpio.c:78:24: error: incompatible integer to pointer conversion initializing 'struct ar7_gpio_chip *' with an expression of type 'int' [-Wint-conversion] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ ~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/ar7/gpio.c:93:31: error: call to undeclared function 'gpiochip_get_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ arch/mips/ar7/gpio.c:93:24: error: incompatible integer to pointer conversion initializing 'struct ar7_gpio_chip *' with an expression of type 'int' [-Wint-conversion] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ ~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/ar7/gpio.c:105:31: error: call to undeclared function 'gpiochip_get_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ arch/mips/ar7/gpio.c:105:24: error: incompatible integer to pointer conversion initializing 'struct ar7_gpio_chip *' with an expression of type 'int' [-Wint-conversion] struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); ^ ~~~~~~~~~~~~~~~~~~~~~~~ >> arch/mips/ar7/gpio.c:318:8: error: call to undeclared function 'gpiochip_add_data'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] ret = gpiochip_add_data(&gpch->chip, gpch); ^ 18 errors generated. vim +19 arch/mips/ar7/gpio.c 7ca5dc145bc7da Florian Fainelli 2009-06-24 16 5f3c909881d5de Florian Fainelli 2010-01-03 17 struct ar7_gpio_chip { 5f3c909881d5de Florian Fainelli 2010-01-03 18 void __iomem *regs; 5f3c909881d5de Florian Fainelli 2010-01-03 @19 struct gpio_chip chip; 5f3c909881d5de Florian Fainelli 2010-01-03 20 }; 7ca5dc145bc7da Florian Fainelli 2009-06-24 21 5f3c909881d5de Florian Fainelli 2010-01-03 22 static int ar7_gpio_get_value(struct gpio_chip *chip, unsigned gpio) 7ca5dc145bc7da Florian Fainelli 2009-06-24 23 { 1b2766fb496c46 Linus Walleij 2015-12-08 @24 struct ar7_gpio_chip *gpch = gpiochip_get_data(chip); 5f3c909881d5de Florian Fainelli 2010-01-03 25 void __iomem *gpio_in = gpch->regs + AR7_GPIO_INPUT; 7ca5dc145bc7da Florian Fainelli 2009-06-24 26 249e573d99ab59 Linus Walleij 2015-12-22 27 return !!(readl(gpio_in) & (1 << gpio)); 5f3c909881d5de Florian Fainelli 2010-01-03 28 } 5f3c909881d5de Florian Fainelli 2010-01-03 29 :::::: The code at line 19 was first introduced by commit :::::: 5f3c909881d5deebb9a3ddc836a15937e76daefc MIPS: AR7: Implement gpiolib :::::: TO: Florian Fainelli <florian@xxxxxxxxxxx> :::::: CC: Ralf Baechle <ralf@xxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
