From nobody Mon Feb 9 10:12:20 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1558518697; cv=none; d=zoho.com; s=zohoarc; b=EzQ+HPei0yinLl1oitwvSORcU91VGc8BWANdXdraHKG1HF4NZ++9GRRgBaLC89p0lmmXl7pYcs1EnIehNXHu5dNL+p3SXbja/hBLM5+YCZKFW0ml8iRNXUJ7cPfDgttf7uw8QVE+kk3nlndieIWpm96WPzs192gg9WR0ULepyA4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1558518697; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=SsT63nDdQ8y9gjqr6J1dvAyK3o2CYCNzSGd+q8rVpv0=; b=WrucR9cVoS/apOB9GdB8TPB85fnlM0FKqaUOU3tL/Fq1syqqBR3EfIcBQ4RPdPnlbkj9o3jW1soBtYcvWMQroNOjn6NOVwZRhRLBuZgXoRfvQCORXFGcDJ45xRDXfSPA0WMcd3RVCrFj5g2RdXIJ7NebQZhlLCiuCvWnxaT8ARA= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1558518697337653.8809584764161; Wed, 22 May 2019 02:51:37 -0700 (PDT) Received: from localhost ([127.0.0.1]:39411 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hTNuF-0005TP-Gc for importer@patchew.org; Wed, 22 May 2019 05:51:31 -0400 Received: from eggs.gnu.org ([209.51.188.92]:48307) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hTNq4-0002VP-VP for qemu-devel@nongnu.org; Wed, 22 May 2019 05:47:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hTNq3-000506-3K for qemu-devel@nongnu.org; Wed, 22 May 2019 05:47:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51022) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hTNq1-0004yI-QA for qemu-devel@nongnu.org; Wed, 22 May 2019 05:47:11 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 97E73300413A for ; Wed, 22 May 2019 09:47:03 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-117-74.ams2.redhat.com [10.36.117.74]) by smtp.corp.redhat.com (Postfix) with ESMTP id 54E2C79422; Wed, 22 May 2019 09:47:03 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 9FCB2A205; Wed, 22 May 2019 11:47:02 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Wed, 22 May 2019 11:47:01 +0200 Message-Id: <20190522094702.17619-3-kraxel@redhat.com> In-Reply-To: <20190522094702.17619-1-kraxel@redhat.com> References: <20190522094702.17619-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Wed, 22 May 2019 09:47:03 +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] [PATCH 2/3] usb-host: skip reset for untouched devices X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 --- hw/usb/host-libusb.c | 3 +++ 1 file changed, 3 insertions(+) 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 =3D=3D 0) { + return; + } =20 trace_usb_host_reset(s->bus_num, s->addr); =20 --=20 2.18.1