Hi Chunfeng, I love your patch! Perhaps something to improve: [auto build test WARNING on usb/usb-testing] [also build test WARNING on robh/for-next linus/master v5.12-rc4 next-20210322] [cannot apply to mediatek/for-next] [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] url: https://github.com/0day-ci/linux/commits/Chunfeng-Yun/dt-bindings-usb-mtk-xhci-support-property-usb2-lpm-disable/20210322-111651 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: ia64-randconfig-r002-20210322 (attached as .config) compiler: ia64-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 # https://github.com/0day-ci/linux/commit/6c0e65b02daf53e661d1804f081cb75fda28b916 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Chunfeng-Yun/dt-bindings-usb-mtk-xhci-support-property-usb2-lpm-disable/20210322-111651 git checkout 6c0e65b02daf53e661d1804f081cb75fda28b916 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from arch/ia64/include/asm/pgtable.h:154, from include/linux/pgtable.h:6, from arch/ia64/include/asm/uaccess.h:40, from include/linux/uaccess.h:11, from arch/ia64/include/asm/sections.h:11, from include/linux/interrupt.h:20, from arch/ia64/include/asm/hw_irq.h:10, from include/linux/irq.h:589, from drivers/usb/mtu3/mtu3_host.c:12: arch/ia64/include/asm/mmu_context.h: In function 'reload_context': arch/ia64/include/asm/mmu_context.h:127:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable] 127 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; | ^~~~~~~ In file included from include/linux/bits.h:6, from include/linux/bitops.h:6, from include/linux/kernel.h:11, from include/linux/clk.h:13, from drivers/usb/mtu3/mtu3_host.c:10: drivers/usb/mtu3/mtu3_host.c: In function 'ssusb_wakeup_ip_sleep_set': >> include/vdso/bits.h:7:19: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073441120320' to '4026536000' [-Woverflow] 7 | #define BIT(nr) (UL(1) << (nr)) | ^ drivers/usb/mtu3/mtu3_host.c:31:19: note: in expansion of macro 'BIT' 31 | #define WC0_IS_EN BIT(6) | ^~~ drivers/usb/mtu3/mtu3_host.c:60:9: note: in expansion of macro 'WC0_IS_EN' 60 | msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P; | ^~~~~~~~~ vim +7 include/vdso/bits.h 3945ff37d2f48d Vincenzo Frascino 2020-03-20 6 3945ff37d2f48d Vincenzo Frascino 2020-03-20 @7 #define BIT(nr) (UL(1) << (nr)) 3945ff37d2f48d Vincenzo Frascino 2020-03-20 8 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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