Re: [PATCH] media: cobalt: bound the dv timings to the descriptor buffers

[kernel test robot <lkp@intel.com>]

Hi Guo,

kernel test robot noticed the following build errors:

[auto build test ERROR on linuxtv-media-pending/master]
[also build test ERROR on media-tree/master sailus-media-tree/master linus/master sailus-media-tree/streams v7.3-rc3 next-20260918]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Guo-Zihao/media-cobalt-bound-the-dv-timings-to-the-descriptor-buffers/20260918-152526
base:   https://git.linuxtv.org/media-ci/media-pending.git master
patch link:    https://lore.kernel.org/r/20260918072526.2478529-1-guozh23%40xiaopeng.com
patch subject: [PATCH] media: cobalt: bound the dv timings to the descriptor buffers
config: arm-randconfig-r1300-20260918 (https://download.01.org/0day-ci/archive/20260919/202609190912.ouKMS0Bi-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260919/202609190912.ouKMS0Bi-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609190912.ouKMS0Bi-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/asm-generic/bug.h:31,
                    from arch/arm/include/asm/bug.h:60,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:13,
                    from include/linux/sched.h:14,
                    from include/linux/ratelimit.h:6,
                    from include/linux/dev_printk.h:16,
                    from include/linux/device.h:15,
                    from include/linux/dma-mapping.h:5,
                    from drivers/media/pci/cobalt/cobalt-v4l2.c:11:
   drivers/media/pci/cobalt/cobalt-v4l2.c: In function 'cobalt_s_dv_timings':
>> drivers/media/pci/cobalt/cobalt-driver.h:160:45: error: 'cobalt' undeclared (first use in this function)
     160 | #define cobalt_info(fmt, arg...) v4l2_info(&cobalt->v4l2_dev, fmt, ## arg)
         |                                             ^~~~~~
   include/linux/printk.h:483:33: note: in definition of macro 'printk_index_wrap'
     483 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                                 ^~~~~~~~~~~
   include/media/v4l2-common.h:58:9: note: in expansion of macro 'printk'
      58 |         printk(level "%s: " fmt, (dev)->name , ## arg)
         |         ^~~~~~
   include/media/v4l2-common.h:67:9: note: in expansion of macro 'v4l2_printk'
      67 |         v4l2_printk(KERN_INFO, dev, fmt , ## arg)
         |         ^~~~~~~~~~~
   drivers/media/pci/cobalt/cobalt-driver.h:160:34: note: in expansion of macro 'v4l2_info'
     160 | #define cobalt_info(fmt, arg...) v4l2_info(&cobalt->v4l2_dev, fmt, ## arg)
         |                                  ^~~~~~~~~
   drivers/media/pci/cobalt/cobalt-v4l2.c:635:17: note: in expansion of macro 'cobalt_info'
     635 |                 cobalt_info("timings %ux%u out of range\n",
         |                 ^~~~~~~~~~~
   drivers/media/pci/cobalt/cobalt-driver.h:160:45: note: each undeclared identifier is reported only once for each function it appears in
     160 | #define cobalt_info(fmt, arg...) v4l2_info(&cobalt->v4l2_dev, fmt, ## arg)
         |                                             ^~~~~~
   include/linux/printk.h:483:33: note: in definition of macro 'printk_index_wrap'
     483 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                                 ^~~~~~~~~~~
   include/media/v4l2-common.h:58:9: note: in expansion of macro 'printk'
      58 |         printk(level "%s: " fmt, (dev)->name , ## arg)
         |         ^~~~~~
   include/media/v4l2-common.h:67:9: note: in expansion of macro 'v4l2_printk'
      67 |         v4l2_printk(KERN_INFO, dev, fmt , ## arg)
         |         ^~~~~~~~~~~
   drivers/media/pci/cobalt/cobalt-driver.h:160:34: note: in expansion of macro 'v4l2_info'
     160 | #define cobalt_info(fmt, arg...) v4l2_info(&cobalt->v4l2_dev, fmt, ## arg)
         |                                  ^~~~~~~~~
   drivers/media/pci/cobalt/cobalt-v4l2.c:635:17: note: in expansion of macro 'cobalt_info'
     635 |                 cobalt_info("timings %ux%u out of range\n",
         |                 ^~~~~~~~~~~


vim +/cobalt +160 drivers/media/pci/cobalt/cobalt-driver.h

85756a069c55e0 Hans Verkuil 2015-05-12  157  
85756a069c55e0 Hans Verkuil 2015-05-12  158  #define cobalt_err(fmt, arg...)  v4l2_err(&cobalt->v4l2_dev, fmt, ## arg)
85756a069c55e0 Hans Verkuil 2015-05-12  159  #define cobalt_warn(fmt, arg...) v4l2_warn(&cobalt->v4l2_dev, fmt, ## arg)
85756a069c55e0 Hans Verkuil 2015-05-12 @160  #define cobalt_info(fmt, arg...) v4l2_info(&cobalt->v4l2_dev, fmt, ## arg)
85756a069c55e0 Hans Verkuil 2015-05-12  161  #define cobalt_dbg(level, fmt, arg...) \
85756a069c55e0 Hans Verkuil 2015-05-12  162  	v4l2_dbg(level, cobalt_debug, &cobalt->v4l2_dev, fmt, ## arg)
85756a069c55e0 Hans Verkuil 2015-05-12  163  

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