Hi Daniel, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on media-tree/master sailus-media-tree/streams sailus-media-tree/master v6.15-rc7 next-20250516] [cannot apply to linuxtv-media-pending/master] [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/Daniel-Scally/dt-bindings-media-Add-bindings-for-the-RZ-V2H-IVC-block/20250519-230026 base: linus/master patch link: https://lore.kernel.org/r/20250519145754.454005-3-dan.scally%40ideasonboard.com patch subject: [PATCH 2/3] media: platform: Add Renesas Input Video Control block driver config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250520/202505201457.ZoulCkx7-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250520/202505201457.ZoulCkx7-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/202505201457.ZoulCkx7-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/media/platform/renesas/rzv2h-ivc/rzv2h-ivc-dev.c:152:12: warning: 'rzv2h_ivc_runtime_suspend' defined but not used [-Wunused-function] 152 | static int rzv2h_ivc_runtime_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/platform/renesas/rzv2h-ivc/rzv2h-ivc-dev.c:116:12: warning: 'rzv2h_ivc_runtime_resume' defined but not used [-Wunused-function] 116 | static int rzv2h_ivc_runtime_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~~ vim +/rzv2h_ivc_runtime_suspend +152 drivers/media/platform/renesas/rzv2h-ivc/rzv2h-ivc-dev.c 115 > 116 static int rzv2h_ivc_runtime_resume(struct device *dev) 117 { 118 struct rzv2h_ivc *ivc = dev_get_drvdata(dev); 119 int ret; 120 121 ret = request_threaded_irq(ivc->irqnum, NULL, rzv2h_ivc_isr, 122 IRQF_ONESHOT, dev_driver_string(dev), dev); 123 if (ret) { 124 dev_err(dev, "failed to request irq\n"); 125 return ret; 126 } 127 128 ret = clk_bulk_prepare_enable(ARRAY_SIZE(ivc->clks), ivc->clks); 129 if (ret) { 130 dev_err(ivc->dev, "failed to enable clocks\n"); 131 goto err_free_irqnum; 132 } 133 134 ret = reset_control_bulk_deassert(ARRAY_SIZE(ivc->resets), ivc->resets); 135 if (ret) { 136 dev_err(ivc->dev, "failed to deassert resets\n"); 137 goto err_disable_clks; 138 } 139 140 rzv2h_ivc_global_config(ivc); 141 142 return 0; 143 144 err_disable_clks: 145 clk_bulk_disable_unprepare(ARRAY_SIZE(ivc->clks), ivc->clks); 146 err_free_irqnum: 147 free_irq(ivc->irqnum, dev); 148 149 return ret; 150 } 151 > 152 static int rzv2h_ivc_runtime_suspend(struct device *dev) 153 { 154 struct rzv2h_ivc *ivc = dev_get_drvdata(dev); 155 156 reset_control_bulk_assert(ARRAY_SIZE(ivc->resets), ivc->resets); 157 clk_bulk_disable_unprepare(ARRAY_SIZE(ivc->clks), ivc->clks); 158 free_irq(ivc->irqnum, dev); 159 160 return 0; 161 } 162 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki