[brgl:gpio/for-current 2/2] include/linux/gpio/driver.h:782:33: error: variable has incomplete type 'enum gpio_lookup_flags'

kernel test robot <lkp@xxxxxxxxx> · Tue, 24 Jan 2023 04:54:39 +0800

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git gpio/for-current
head:   de5f701724ac1078deaf19ca2aa8dbf4bcd4b04f
commit: de5f701724ac1078deaf19ca2aa8dbf4bcd4b04f [2/2] gpiolib: fix linker errors when GPIOLIB is disabled
config: i386-randconfig-a014-20230123 (https://download.01.org/0day-ci/archive/20230124/202301240439.wYz6uU0k-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git/commit/?id=de5f701724ac1078deaf19ca2aa8dbf4bcd4b04f
        git remote add brgl https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git
        git fetch --no-tags brgl gpio/for-current
        git checkout de5f701724ac1078deaf19ca2aa8dbf4bcd4b04f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   In file included from arch/x86/kernel/early-quirks.c:17:
   In file included from include/linux/bcma/bcma.h:9:
   In file included from include/linux/bcma/bcma_driver_chipcommon.h:7:
>> include/linux/gpio/driver.h:782:33: error: variable has incomplete type 'enum gpio_lookup_flags'
                                               enum gpio_lookup_flags lflags,
                                                                      ^
   include/linux/gpio/driver.h:24:6: note: forward declaration of 'enum gpio_lookup_flags'
   enum gpio_lookup_flags;
        ^
>> include/linux/gpio/driver.h:783:27: error: variable has incomplete type 'enum gpiod_flags'
                                               enum gpiod_flags dflags)
                                                                ^
   include/linux/gpio/driver.h:23:6: note: forward declaration of 'enum gpiod_flags'
   enum gpiod_flags;
        ^
   2 errors generated.
--
   In file included from drivers/regulator/max8997-regulator.c:13:
   In file included from include/linux/of_gpio.h:14:
>> include/linux/gpio/driver.h:782:33: error: variable has incomplete type 'enum gpio_lookup_flags'
                                               enum gpio_lookup_flags lflags,
                                                                      ^
   include/linux/gpio/driver.h:24:6: note: forward declaration of 'enum gpio_lookup_flags'
   enum gpio_lookup_flags;
        ^
>> include/linux/gpio/driver.h:783:27: error: variable has incomplete type 'enum gpiod_flags'
                                               enum gpiod_flags dflags)
                                                                ^
   include/linux/gpio/driver.h:23:6: note: forward declaration of 'enum gpiod_flags'
   enum gpiod_flags;
        ^
   In file included from drivers/regulator/max8997-regulator.c:17:
   In file included from include/linux/regulator/driver.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:97:11: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds]
                   return (set->sig[3] | set->sig[2] |
                           ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from drivers/regulator/max8997-regulator.c:17:
   In file included from include/linux/regulator/driver.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:97:25: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds]
                   return (set->sig[3] | set->sig[2] |
                                         ^        ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from drivers/regulator/max8997-regulator.c:17:
   In file included from include/linux/regulator/driver.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:113:11: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds]
                   return  (set1->sig[3] == set2->sig[3]) &&
                            ^         ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from drivers/regulator/max8997-regulator.c:17:
   In file included from include/linux/regulator/driver.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:113:27: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds]
                   return  (set1->sig[3] == set2->sig[3]) &&
                                            ^         ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from drivers/regulator/max8997-regulator.c:17:
   In file included from include/linux/regulator/driver.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:114:5: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds]
                           (set1->sig[2] == set2->sig[2]) &&
                            ^         ~
   arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from drivers/regulator/max8997-regulator.c:17:
   In file included from include/linux/regulator/driver.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
--
   In file included from drivers/mtd/nand/raw/nand_base.c:45:
   In file included from include/linux/of_gpio.h:14:
>> include/linux/gpio/driver.h:782:33: error: variable has incomplete type 'enum gpio_lookup_flags'
                                               enum gpio_lookup_flags lflags,
                                                                      ^
   include/linux/gpio/driver.h:24:6: note: forward declaration of 'enum gpio_lookup_flags'
   enum gpio_lookup_flags;
        ^
   1 error generated.

vim +782 include/linux/gpio/driver.h

   778	
   779	static inline struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc,
   780						    unsigned int hwnum,
   781						    const char *label,
 > 782						    enum gpio_lookup_flags lflags,
 > 783						    enum gpiod_flags dflags)
   784	{
   785		/* GPIO can never have been requested */
   786		WARN_ON(1);
   787		return ERR_PTR(-ENODEV);
   788	}
   789	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests