Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to v5.3-rc4 next-20190814] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/jun-li-nxp-com/usb-chipidea-add-role-switch-class-support/20190815-040028 config: arm-multi_v5_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0 reproduce: 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 GCC_VERSION=7.4.0 make.cross ARCH=arm If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/usb/chipidea/core.o: In function `ci_hdrc_remove': core.c:(.text+0xec4): undefined reference to `usb_role_switch_unregister' drivers/usb/chipidea/core.o: In function `ci_hdrc_probe': core.c:(.text+0x1328): undefined reference to `usb_role_switch_unregister' >> core.c:(.text+0x14c8): undefined reference to `usb_role_switch_register' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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