On Wed, Aug 31, 2022 at 12:10:36AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing > head: 594b9411b4adceb59ca8a66997eec1eaa3756785 > commit: 5cfdb45657c97315501316657e504298b381ceee [29/47] usb: reduce kernel log spam on driver registration > config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220831/202208310007.6yJMsSYz-lkp@xxxxxxxxx/config) > compiler: gcc-11 (Debian 11.3.0-5) 11.3.0 > reproduce (this is a W=1 build): > # https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/commit/?id=5cfdb45657c97315501316657e504298b381ceee > git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git > git fetch --no-tags usb usb-testing > git checkout 5cfdb45657c97315501316657e504298b381ceee > # save the config file > mkdir build_dir && cp config build_dir/.config > make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/usb/host/ > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> drivers/usb/host/ehci-platform.c:56:19: warning: 'hcd_name' defined but not used [-Wunused-const-variable=] > 56 | static const char hcd_name[] = "ehci-platform"; > | ^~~~~~~~ > -- > >> drivers/usb/host/ohci-platform.c:44:19: warning: 'hcd_name' defined but not used [-Wunused-const-variable=] > 44 | static const char hcd_name[] = "ohci-platform"; > | ^~~~~~~~ This is a side effect from Ard's patch removing the pr_info lines from these drivers. It will show up in some of the other drivers too (the ones that don't initialize their own hc_driver structure). The solution is simply to remove the unused definitions. Ard, do you want to write a fixup patch to do this? Alan Stern
