From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753910AbbJRDF1 (ORCPT ); Sat, 17 Oct 2015 23:05:27 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:44288 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965007AbbJRDCf (ORCPT ); Sat, 17 Oct 2015 23:02:35 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Roger Quadros , Mathias Nyman Subject: [PATCH 3.14 46/79] usb: xhci: Clear XHCI_STATE_DYING on start Date: Sat, 17 Oct 2015 19:05:38 -0700 Message-Id: <20151018020215.385796707@linuxfoundation.org> X-Mailer: git-send-email 2.6.1 In-Reply-To: <20151018020213.322172837@linuxfoundation.org> References: <20151018020213.322172837@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Roger Quadros commit e5bfeab0ad515b4f6df39fe716603e9dc6d3dfd0 upstream. For whatever reason if XHCI died in the previous instant then it will never recover on the next xhci_start unless we clear the DYING flag. Signed-off-by: Roger Quadros Signed-off-by: Mathias Nyman Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -147,7 +147,8 @@ static int xhci_start(struct xhci_hcd *x "waited %u microseconds.\n", XHCI_MAX_HALT_USEC); if (!ret) - xhci->xhc_state &= ~XHCI_STATE_HALTED; + xhci->xhc_state &= ~(XHCI_STATE_HALTED | XHCI_STATE_DYING); + return ret; }