Hi Vinod, I love your patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on drm-intel/for-linux-next drm-tip/drm-tip linus/master v5.8-rc4 next-20200707] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Vinod-Koul/Add-LT9611-DSI-to-HDMI-bridge/20200708-150224 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: nios2-allyesconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/bridge/lontium-lt9611.c:884:6: warning: no previous prototype for 'lt9611_bridge_hpd_enable' [-Wmissing-prototypes] 884 | void lt9611_bridge_hpd_enable(struct drm_bridge *bridge) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/bridge/lontium-lt9611.c:718:41: warning: 'lt9611_bridge_connector_funcs' defined but not used [-Wunused-const-variable=] 718 | static const struct drm_connector_funcs lt9611_bridge_connector_funcs = { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/lt9611_bridge_hpd_enable +884 drivers/gpu/drm/bridge/lontium-lt9611.c 883 > 884 void lt9611_bridge_hpd_enable(struct drm_bridge *bridge) 885 { 886 struct lt9611 *lt9611 = bridge_to_lt9611(bridge); 887 888 lt9611_enable_hpd_interrupts(lt9611); 889 } 890 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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