[sailus-media-tree:metadata 161/169] drivers/media/pci/intel/ipu6/ipu6-fw-isys.c:664:6: warning: variable 'source' set but not used

[sailus-media-tree:metadata 161/169] drivers/media/pci/intel/ipu6/ipu6-fw-isys.c:664:6: warning: variable 'source' set but not used

[kernel test robot]

tree:   git://linuxtv.org/sailus/media_tree.git metadata
head:   357c2e168b861a3df80c68a9c44de9c9c282ec46
commit: 99f62d82955331605ec24226a734233f2d52c6e0 [161/169] media: ipu6: Bridge the gap between streams in V4L2 and IPU6 firmware
config: i386-randconfig-012-20260913 (https://download.01.org/0day-ci/archive/20260913/202609131638.i4iLw29I-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260913/202609131638.i4iLw29I-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/202609131638.i4iLw29I-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/pci/intel/ipu6/ipu6-fw-isys.c:664:6: warning: variable 'source' set but not used [-Wunused-but-set-variable]
     664 |         int source;
         |             ^
   1 warning generated.


vim +/source +664 drivers/media/pci/intel/ipu6/ipu6-fw-isys.c

33f56ed128438d Antti Laakso 2026-08-27  658  
33f56ed128438d Antti Laakso 2026-08-27  659  static void ipu6_isys_csi2_isr(struct ipu6_isys_csi2 *csi2)
33f56ed128438d Antti Laakso 2026-08-27  660  {
33f56ed128438d Antti Laakso 2026-08-27  661  	struct ipu6_isys_stream *stream;
33f56ed128438d Antti Laakso 2026-08-27  662  	unsigned int i;
33f56ed128438d Antti Laakso 2026-08-27  663  	u32 status;
33f56ed128438d Antti Laakso 2026-08-27 @664  	int source;
33f56ed128438d Antti Laakso 2026-08-27  665  
33f56ed128438d Antti Laakso 2026-08-27  666  	ipu6_isys_register_errors(csi2);
33f56ed128438d Antti Laakso 2026-08-27  667  
33f56ed128438d Antti Laakso 2026-08-27  668  	status = readl(csi2->base + CSI_PORT_REG_BASE_IRQ_CSI_SYNC +
33f56ed128438d Antti Laakso 2026-08-27  669  		       CSI_PORT_REG_BASE_IRQ_STATUS_OFFSET);
33f56ed128438d Antti Laakso 2026-08-27  670  
33f56ed128438d Antti Laakso 2026-08-27  671  	writel(status, csi2->base + CSI_PORT_REG_BASE_IRQ_CSI_SYNC +
33f56ed128438d Antti Laakso 2026-08-27  672  	       CSI_PORT_REG_BASE_IRQ_CLEAR_OFFSET);
33f56ed128438d Antti Laakso 2026-08-27  673  
33f56ed128438d Antti Laakso 2026-08-27  674  	source = csi2->asd.source;
33f56ed128438d Antti Laakso 2026-08-27  675  	for (i = 0; i < NR_OF_CSI2_VC; i++) {
33f56ed128438d Antti Laakso 2026-08-27  676  		if (status & IPU_CSI_RX_IRQ_FS_VC(i)) {
99f62d82955331 Sakari Ailus 2026-06-26  677  			stream = csi2->streams_by_vc[i];
99f62d82955331 Sakari Ailus 2026-06-26  678  			if (stream)
33f56ed128438d Antti Laakso 2026-08-27  679  				ipu6_isys_csi2_sof_event_by_stream(stream);
33f56ed128438d Antti Laakso 2026-08-27  680  		}
33f56ed128438d Antti Laakso 2026-08-27  681  
33f56ed128438d Antti Laakso 2026-08-27  682  		if (status & IPU_CSI_RX_IRQ_FE_VC(i)) {
99f62d82955331 Sakari Ailus 2026-06-26  683  			stream = csi2->streams_by_vc[i];
99f62d82955331 Sakari Ailus 2026-06-26  684  			if (stream)
33f56ed128438d Antti Laakso 2026-08-27  685  				ipu6_isys_csi2_eof_event_by_stream(stream);
33f56ed128438d Antti Laakso 2026-08-27  686  		}
33f56ed128438d Antti Laakso 2026-08-27  687  	}
33f56ed128438d Antti Laakso 2026-08-27  688  }
33f56ed128438d Antti Laakso 2026-08-27  689  

:::::: The code at line 664 was first introduced by commit
:::::: 33f56ed128438dd791b9114ad079ab188daa1c09 media: ipu6: Move isys isr handlers to fw file

:::::: TO: Antti Laakso <antti.laakso@linux.intel.com>
:::::: CC: Sakari Ailus <sakari.ailus@linux.intel.com>

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