From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753665Ab1GPDB6 (ORCPT ); Fri, 15 Jul 2011 23:01:58 -0400 Received: from mail-iw0-f174.google.com ([209.85.214.174]:51413 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751889Ab1GPDB5 (ORCPT ); Fri, 15 Jul 2011 23:01:57 -0400 Date: Sat, 16 Jul 2011 11:04:19 +0800 From: JiSheng Zhang To: linux-kernel@vger.kernel.org, sarah.a.sharp@linux.intel.com Subject: [PATCH] USB: xhci: fix OS want to own HC Message-ID: <20110716110419.726be2b0@ustc> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.24.4; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Software should set XHCI_HC_OS_OWNED bit to request ownership of xHC Signed-off-by: JiSheng Zhang --- drivers/usb/host/pci-quirks.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index fd93061..1a73004 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -775,7 +775,7 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev) /* If the BIOS owns the HC, signal that the OS wants it, and wait */ if (val & XHCI_HC_BIOS_OWNED) { - writel(val & XHCI_HC_OS_OWNED, base + ext_cap_offset); + writel(val | XHCI_HC_OS_OWNED, base + ext_cap_offset); /* Wait for 5 seconds with 10 microsecond polling interval */ timeout = handshake(base + ext_cap_offset, XHCI_HC_BIOS_OWNED, -- 1.7.5.4