Hi Michael, kernel test robot noticed the following build warnings: [auto build test WARNING on 2014c95afecee3e76ca4a56956a936e23283f05b] url: https://github.com/intel-lab-lkp/linux/commits/Michael-Riesch/media-dt-bindings-media-video-interfaces-add-defines-for-sampling-modes/20250206-180041 base: 2014c95afecee3e76ca4a56956a936e23283f05b patch link: https://lore.kernel.org/r/20250206-v6-8-topic-rk3568-vicap-v3-4-69d1f19e5c40%40wolfvision.net patch subject: [PATCH v3 4/7] media: rockchip: add a driver for the rockchip camera interface config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250207/202502072356.crcHKSbX-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250207/202502072356.crcHKSbX-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202502072356.crcHKSbX-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/media/platform/rockchip/rkcif/rkcif-capture-dvp.c: In function 'rkcif_dvp_isr': >> drivers/media/platform/rockchip/rkcif/rkcif-capture-dvp.c:759:32: warning: variable 'ctl' set but not used [-Wunused-but-set-variable] 759 | u32 lastline, lastpix, ctl, cif_frmst; | ^~~ vim +/ctl +759 drivers/media/platform/rockchip/rkcif/rkcif-capture-dvp.c 752 753 irqreturn_t rkcif_dvp_isr(int irq, void *ctx) 754 { 755 struct device *dev = ctx; 756 struct rkcif_device *rkcif = dev_get_drvdata(dev); 757 struct rkcif_stream *stream; 758 unsigned int intstat; > 759 u32 lastline, lastpix, ctl, cif_frmst; 760 irqreturn_t ret = IRQ_NONE; 761 762 if (!rkcif->match_data->dvp) 763 return ret; 764 765 intstat = cif_dvp_read(rkcif, RKCIF_DVP_INTSTAT); 766 cif_frmst = cif_dvp_read(rkcif, RKCIF_DVP_FRAME_STATUS); 767 lastline = RKCIF_FETCH_Y_LAST_LINE( 768 cif_dvp_read(rkcif, RKCIF_DVP_LAST_LINE)); 769 lastpix = RKCIF_FETCH_Y_LAST_LINE( 770 cif_dvp_read(rkcif, RKCIF_DVP_LAST_PIX)); 771 ctl = cif_dvp_read(rkcif, RKCIF_DVP_CTRL); 772 773 if (intstat & RKCIF_INTSTAT_FRAME_END) { 774 cif_dvp_write(rkcif, RKCIF_DVP_INTSTAT, 775 RKCIF_INTSTAT_FRAME_END_CLR | 776 RKCIF_INTSTAT_LINE_END_CLR); 777 778 stream = &rkcif->interfaces[RKCIF_DVP].streams[RKCIF_ID0]; 779 780 if (stream->stopping) { 781 cif_dvp_stop_streaming(stream); 782 wake_up(&stream->wq_stopped); 783 return IRQ_HANDLED; 784 } 785 786 if (lastline != stream->pix.height) { 787 v4l2_err(&rkcif->v4l2_dev, 788 "bad frame, irq:%#x frmst:%#x size:%dx%d\n", 789 intstat, cif_frmst, lastpix, lastline); 790 791 cif_dvp_reset_stream(rkcif); 792 } 793 794 rkcif_stream_pingpong(stream); 795 796 ret = IRQ_HANDLED; 797 } 798 799 return ret; 800 } 801 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
