linux-kernel - drivers/usb/gadget/udc/omap_udc.c:110:19: warning: 'driver

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Message-ID: <202311070616.6TJr86vx-lkp@intel.com>
Date:   Tue, 7 Nov 2023 06:25:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: drivers/usb/gadget/udc/omap_udc.c:110:19: warning: 'driver_desc'
 defined but not used

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d2f51b3516dade79269ff45eae2a7668ae711b25
commit: 250c1a694ff304e5d69e74ab32755eddcc2b8f65 ARM: pxa: convert to multiplatform
date:   1 year, 6 months ago
config: arm-randconfig-r035-20230201 (https://download.01.org/0day-ci/archive/20231107/202311070616.6TJr86vx-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231107/202311070616.6TJr86vx-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311070616.6TJr86vx-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/usb/gadget/udc/omap_udc.c: In function 'omap_udc_pio_irq':
   drivers/usb/gadget/udc/omap_udc.c:1915:37: warning: variable 'stat' set but not used [-Wunused-but-set-variable]
    1915 |                                 int stat;
         |                                     ^~~~
   At top level:
>> drivers/usb/gadget/udc/omap_udc.c:110:19: warning: 'driver_desc' defined but not used [-Wunused-const-variable=]
     110 | static const char driver_desc[] = DRIVER_DESC;
         |                   ^~~~~~~~~~~


vim +/driver_desc +110 drivers/usb/gadget/udc/omap_udc.c

^1da177e4c3f41 drivers/usb/gadget/omap_udc.c Linus Torvalds 2005-04-16  107  
^1da177e4c3f41 drivers/usb/gadget/omap_udc.c Linus Torvalds 2005-04-16  108  
^1da177e4c3f41 drivers/usb/gadget/omap_udc.c Linus Torvalds 2005-04-16  109  static const char driver_name[] = "omap_udc";
^1da177e4c3f41 drivers/usb/gadget/omap_udc.c Linus Torvalds 2005-04-16 @110  static const char driver_desc[] = DRIVER_DESC;
^1da177e4c3f41 drivers/usb/gadget/omap_udc.c Linus Torvalds 2005-04-16  111  

:::::: The code at line 110 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

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