Hi Lu, [auto build test WARNING on usb/usb-testing] [also build test WARNING on v4.10-rc1 next-20161224] [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/Lu-Baolu/usb-xhci-clear-EINT-bit-in-status-correctly/20161230-133444 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: i386-randconfig-x003-201652 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/usb/host/xhci.c: In function 'xhci_stop': >> drivers/usb/host/xhci.c:724:14: warning: suggest parentheses around >> arithmetic in operand of '|' [-Wparentheses] writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ~~~~~^~~~~~~~~ drivers/usb/host/xhci.c: In function 'xhci_resume': drivers/usb/host/xhci.c:1057:15: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses] writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); ~~~~~^~~~~~~~~ vim +724 drivers/usb/host/xhci.c 708 709 /* Deleting Compliance Mode Recovery Timer */ 710 if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && 711 (!(xhci_all_ports_seen_u0(xhci)))) { 712 del_timer_sync(&xhci->comp_mode_recovery_timer); 713 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, 714 "%s: compliance mode recovery timer deleted", 715 __func__); 716 } 717 718 if (xhci->quirks & XHCI_AMD_PLL_FIX) 719 usb_amd_dev_put(); 720 721 xhci_dbg_trace(xhci, trace_xhci_dbg_init, 722 "// Disabling event ring interrupts"); 723 temp = readl(&xhci->op_regs->status); > 724 writel(temp & ~0x1fff | STS_EINT, &xhci->op_regs->status); 725 temp = readl(&xhci->ir_set->irq_pending); 726 writel(ER_IRQ_DISABLE(temp), &xhci->ir_set->irq_pending); 727 xhci_print_ir_set(xhci, 0); 728 729 xhci_dbg_trace(xhci, trace_xhci_dbg_init, "cleaning up memory"); 730 xhci_mem_cleanup(xhci); 731 xhci_dbg_trace(xhci, trace_xhci_dbg_init, 732 "xhci_stop completed - status = %x", --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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