Hi Mathias, [auto build test WARNING on: v4.4-rc1] [cannot apply to: v4.4-rc3 v4.4-rc2 next-20151127] url: https://github.com/0day-ci/linux/commits/Mathias-Nyman/xhci-fix-usb2-resume-timing-and-races/20151130-231438 config: i386-randconfig-r0-201548 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/usb/host/xhci-hub.c: In function 'xhci_get_port_status': >> drivers/usb/host/xhci-hub.c:812:52: warning: suggest parentheses around '&&' within '||' [-Wparentheses] (raw_port_status & PORT_PLS_MASK) != XDEV_U3 && ^ vim +812 drivers/usb/host/xhci-hub.c 796 bus_state->suspended_ports &= ~(1 << wIndex); 797 } else { 798 /* 799 * The resume has been signaling for less than 800 * 20ms. Report the port status as SUSPEND, 801 * let the usbcore check port status again 802 * and clear resume signaling later. 803 */ 804 status |= USB_PORT_STAT_SUSPEND; 805 } 806 } 807 /* Clear stale usb2 resume signalling variables in case port changed 808 * state during 20ms resume signalling. For example on error 809 */ 810 if ((bus_state->resume_done[wIndex] || 811 test_bit(wIndex, &bus_state->resuming_ports) && > 812 (raw_port_status & PORT_PLS_MASK) != XDEV_U3 && 813 (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME)) { 814 bus_state->resume_done[wIndex] = 0; 815 clear_bit(wIndex, &bus_state->resuming_ports); 816 } 817 if ((raw_port_status & PORT_PLS_MASK) == XDEV_U0 818 && (raw_port_status & PORT_POWER) 819 && (bus_state->suspended_ports & (1 << wIndex))) { 820 bus_state->suspended_ports &= ~(1 << wIndex); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation