Message ID | 20190529062832.26483-3-kraxel@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3C6251575 for <patchwork-qemu-devel@patchwork.kernel.org>; Wed, 29 May 2019 06:29:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 227AE28776 for <patchwork-qemu-devel@patchwork.kernel.org>; Wed, 29 May 2019 06:29:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 13E7328782; Wed, 29 May 2019 06:29:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C485228776 for <patchwork-qemu-devel@patchwork.kernel.org>; Wed, 29 May 2019 06:29:58 +0000 (UTC) Received: from localhost ([127.0.0.1]:48018 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org>) id 1hVs5y-0001SC-Fd for patchwork-qemu-devel@patchwork.kernel.org; Wed, 29 May 2019 02:29:54 -0400 Received: from eggs.gnu.org ([209.51.188.92]:41995) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <kraxel@redhat.com>) id 1hVs4m-0000aH-8E for qemu-devel@nongnu.org; Wed, 29 May 2019 02:28:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <kraxel@redhat.com>) id 1hVs4l-0004e1-2l for qemu-devel@nongnu.org; Wed, 29 May 2019 02:28:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33452) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <kraxel@redhat.com>) id 1hVs4k-0004dQ-An for qemu-devel@nongnu.org; Wed, 29 May 2019 02:28:38 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1B0D33082E25; Wed, 29 May 2019 06:28:37 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-59.ams2.redhat.com [10.36.116.59]) by smtp.corp.redhat.com (Postfix) with ESMTP id C60071972C; Wed, 29 May 2019 06:28:33 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 10B3B17472; Wed, 29 May 2019 08:28:33 +0200 (CEST) From: Gerd Hoffmann <kraxel@redhat.com> To: qemu-devel@nongnu.org Date: Wed, 29 May 2019 08:28:25 +0200 Message-Id: <20190529062832.26483-3-kraxel@redhat.com> In-Reply-To: <20190529062832.26483-1-kraxel@redhat.com> References: <20190529062832.26483-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Wed, 29 May 2019 06:28:37 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 2/9] usb-host: skip reset for untouched devices X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Eduardo Habkost <ehabkost@redhat.com>, Gerd Hoffmann <kraxel@redhat.com> Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> X-Virus-Scanned: ClamAV using ClamSMTP |
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[PULL,1/9] usb: call reset handler before updating state
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diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c index 67b7465915f5..4e9a45a5d26f 100644 --- a/hw/usb/host-libusb.c +++ b/hw/usb/host-libusb.c @@ -1459,6 +1459,9 @@ static void usb_host_handle_reset(USBDevice *udev) if (!s->allow_guest_reset) { return; } + if (udev->addr == 0) { + return; + } trace_usb_host_reset(s->bus_num, s->addr);
If the guest didn't talk to the device yet, skip the reset. Without this usb-host devices get resetted a number of times at boot time for no good reason. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20190522094702.17619-3-kraxel@redhat.com --- hw/usb/host-libusb.c | 3 +++ 1 file changed, 3 insertions(+)