tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-next
head:   4616dddcfaf75cfbfbff7ce8a468038c697444ce
commit: 4a555f2b8d31d2dae523b56613a14360061e4c76 [10/16] usb: gadget: at91_udc: Convert to GPIO descriptors
config: arm-randconfig-r016-20211121 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
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/gregkh/usb.git/commit/?id=4a555f2b8d31d2dae523b56613a14360061e4c76
        git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
        git fetch --no-tags usb usb-next
        git checkout 4a555f2b8d31d2dae523b56613a14360061e4c76
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All warnings (new ones prefixed by >>):

   In file included from include/linux/kernel.h:20,
                    from drivers/usb/gadget/udc/at91_udc.c:13:
   drivers/usb/gadget/udc/at91_udc.c: In function 'at91udc_probe':

quoted

include/linux/kern_levels.h:5:25: warning: format '%d' expects argument of type 'int', but argument 2 has type 'struct gpio_desc *' [-Wformat=]

       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:418:25: note: in definition of macro 'printk_index_wrap'
     418 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:573:9: note: in expansion of macro 'printk'
     573 |         printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:15:25: note: in expansion of macro 'KERN_SOH'
      15 | #define KERN_DEBUG      KERN_SOH "7"    /* debug-level messages */
         |                         ^~~~~~~~
   include/linux/printk.h:573:16: note: in expansion of macro 'KERN_DEBUG'
     573 |         printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
         |                ^~~~~~~~~~
   drivers/usb/gadget/udc/at91_udc.h:174:33: note: in expansion of macro 'pr_debug'
     174 | #define DBG(stuff...)           pr_debug("udc: " stuff)
         |                                 ^~~~~~~~
   drivers/usb/gadget/udc/at91_udc.c:1897:33: note: in expansion of macro 'DBG'
    1897 |                                 DBG("request vbus irq %d failed\n",
         |                                 ^~~
--
   In file included from include/linux/kernel.h:20,
                    from drivers/usb/gadget/udc/at91_udc.c:13:
   drivers/usb/gadget/udc/at91_udc.c: In function 'at91udc_probe':

quoted

include/linux/kern_levels.h:5:25: warning: format '%d' expects argument of type 'int', but argument 2 has type 'struct gpio_desc *' [-Wformat=]

       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:418:25: note: in definition of macro 'printk_index_wrap'
     418 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:132:17: note: in expansion of macro 'printk'
     132 |                 printk(fmt, ##__VA_ARGS__);             \
         |                 ^~~~~~
   include/linux/printk.h:576:9: note: in expansion of macro 'no_printk'
     576 |         no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~
   include/linux/kern_levels.h:15:25: note: in expansion of macro 'KERN_SOH'
      15 | #define KERN_DEBUG      KERN_SOH "7"    /* debug-level messages */
         |                         ^~~~~~~~
   include/linux/printk.h:576:19: note: in expansion of macro 'KERN_DEBUG'
     576 |         no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
         |                   ^~~~~~~~~~
   drivers/usb/gadget/udc/at91_udc.h:174:33: note: in expansion of macro 'pr_debug'
     174 | #define DBG(stuff...)           pr_debug("udc: " stuff)
         |                                 ^~~~~~~~
   drivers/usb/gadget/udc/at91_udc.c:1897:33: note: in expansion of macro 'DBG'
    1897 |                                 DBG("request vbus irq %d failed\n",
         |                                 ^~~


vim +5 include/linux/kern_levels.h

314ba3520e513a Joe Perches 2012-07-30  4  
04d2c8c83d0e3a Joe Perches 2012-07-30 @5  #define KERN_SOH	"\001"		/* ASCII Start Of Header */
04d2c8c83d0e3a Joe Perches 2012-07-30  6  #define KERN_SOH_ASCII	'\001'
04d2c8c83d0e3a Joe Perches 2012-07-30  7  

:::::: The code at line 5 was first introduced by commit
:::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern

:::::: TO: Joe Perches [off-list ref]
:::::: CC: Linus Torvalds [off-list ref]

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org