Hi Fidal,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.17-rc4 next-20250904]
[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/Fidal-Palamparambil/media-pci-Add-core-driver-for-Techwell-TW68xx-video-capture-devices/20250904-014821
base:   linus/master
patch link:    
https://lore.kernel.org/r/20250903174657.1689-1-hellomystoryswherei%40gmail.com
patch subject: [PATCH] media: pci: Add core driver for Techwell TW68xx video 
capture devices
config: i386-buildonly-randconfig-006-20250904 
(https://download.01.org/0day-ci/archive/20250904/[email protected]/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 
87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20250904/[email protected]/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 <[email protected]>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

>> drivers/media/pci/tw68/tw68-core.c:381:18: warning: unused variable 
>> 'pci_dev' [-Wunused-variable]
     381 |         struct pci_dev *pci_dev = to_pci_dev(dev_d);
         |                         ^~~~~~~
   1 warning generated.


vim +/pci_dev +381 drivers/media/pci/tw68/tw68-core.c

   378  
   379  static int __maybe_unused tw68_resume(struct device *dev_d)
   380  {
 > 381          struct pci_dev *pci_dev = to_pci_dev(dev_d);
   382          struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d);
   383          struct tw68_dev *dev = container_of(v4l2_dev, struct tw68_dev, 
v4l2_dev);
   384          struct tw68_buf *buf;
   385          unsigned long flags;
   386  
   387          /* Do things that are done in tw68_initdev,
   388           * except for initializing memory structures.
   389           */
   390          msleep(100);
   391  
   392          tw68_hw_init1(dev);
   393          tw68_set_tvnorm_hw(dev);
   394  
   395          /* Restore interrupt mask */
   396          tw_setl(TW68_INTMASK, dev->pci_irqmask);
   397  
   398          /* Resume unfinished buffer(s) */
   399          spin_lock_irqsave(&dev->slock, flags);
   400          if (!list_empty(&dev->active)) {
   401                  buf = container_of(dev->active.next, struct tw68_buf, 
list);
   402                  tw68_video_start_dma(dev, buf);
   403          }
   404          spin_unlock_irqrestore(&dev->slock, flags);
   405  
   406          return 0;
   407  }
   408  

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


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