From patchwork Fri Nov 16 13:44:42 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 199610 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 7A6EA2C0089 for ; Sat, 17 Nov 2012 00:53:45 +1100 (EST) Received: from localhost ([::1]:37626 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TZMEV-0003df-Nj for incoming@patchwork.ozlabs.org; Fri, 16 Nov 2012 08:45:23 -0500 Received: from eggs.gnu.org ([208.118.235.92]:38861) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TZME2-0003GI-On for qemu-devel@nongnu.org; Fri, 16 Nov 2012 08:44:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TZMDz-0001b8-M9 for qemu-devel@nongnu.org; Fri, 16 Nov 2012 08:44:54 -0500 Received: from mx1.redhat.com ([209.132.183.28]:65406) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TZMDz-0001au-EH for qemu-devel@nongnu.org; Fri, 16 Nov 2012 08:44:51 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id qAGDiobr007165 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 16 Nov 2012 08:44:50 -0500 Received: from rincewind.home.kraxel.org (ovpn-116-63.ams2.redhat.com [10.36.116.63]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id qAGDioTS019170; Fri, 16 Nov 2012 08:44:50 -0500 Received: by rincewind.home.kraxel.org (Postfix, from userid 500) id 4196740DD6; Fri, 16 Nov 2012 14:44:48 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Fri, 16 Nov 2012 14:44:42 +0100 Message-Id: <1353073487-19233-10-git-send-email-kraxel@redhat.com> In-Reply-To: <1353073487-19233-1-git-send-email-kraxel@redhat.com> References: <1353073487-19233-1-git-send-email-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Gerd Hoffmann Subject: [Qemu-devel] [PATCH 09/14] ehci: keep the frame timer running in case the guest asked for frame list rollover interrupts X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Gerd Hoffmann --- hw/usb/hcd-ehci.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 287a066..14269da 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -964,6 +964,9 @@ static void ehci_opreg_write(void *ptr, hwaddr addr, case USBINTR: val &= USBINTR_MASK; + if (ehci_enabled(s) && (USBSTS_FLR & val)) { + qemu_bh_schedule(s->async_bh); + } break; case FRINDEX: @@ -2220,6 +2223,10 @@ static void ehci_frame_timer(void *opaque) ehci->async_stepdown = 0; } + if (ehci_enabled(ehci) && (ehci->usbintr & USBSTS_FLR)) { + need_timer++; + } + if (need_timer) { /* If we've raised int, we speed up the timer, so that we quickly * notice any new packets queued up in response */