Hi Mike, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on balbi-usb/testing/next] [also build test WARNING on usb/usb-testing peter.chen-usb/ci-for-usb-next v5.7-rc7 next-20200526] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Mike-Looijmans/usb-phy-generic-Add-support-for-OTG-VBUS-supply-control/20200526-225304 base: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next config: arm64-defconfig (attached as .config) compiler: aarch64-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=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <l...@intel.com> All warnings (new ones prefixed by >>, old ones prefixed by <<): drivers/usb/phy/phy-generic.c: In function 'nop_set_vbus': >> drivers/usb/phy/phy-generic.c:234:1: warning: control reaches end of >> non-void function [-Wreturn-type] 234 | } | ^ vim +234 drivers/usb/phy/phy-generic.c 205 206 static int nop_set_vbus(struct usb_otg *otg, bool enabled) 207 { 208 struct usb_phy_generic *nop; 209 int ret; 210 211 if (!otg) 212 return -ENODEV; 213 214 nop = container_of(otg->usb_phy, struct usb_phy_generic, phy); 215 216 if (!nop->vbus_reg) 217 return 0; 218 219 if (enabled) { 220 if (nop->vbus_reg_enabled) 221 return 0; 222 ret = regulator_enable(nop->vbus_reg); 223 if (ret < 0) 224 return ret; 225 nop->vbus_reg_enabled = true; 226 } else { 227 if (!nop->vbus_reg_enabled) 228 return 0; 229 ret = regulator_disable(nop->vbus_reg); 230 if (ret < 0) 231 return ret; 232 nop->vbus_reg_enabled = false; 233 } > 234 } 235 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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