From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794312105; b=KqqyZDJUMQ2jsNy/xl7dflCKB5ABkP14jNaQMYryILx3JQF8hJez20UIv/dysg9u2+ZT BvRy+w3mRY5MVUI1YS5O9FZBmGrUUoTgbGcTDU/cTV5rY0/Shp4AkOxSbWYrU2bLCLBaY XuLPEexOukMSrJ1P+SjRJqVLwVyTp2dPwXHET3SojVsMYPXn+ASDeWkeLUDGwscRpFPX8 fkYSX3RCq+AChS9HVtomSO+cmS72ubUfLM3JOVTw/DKBiYCPbgauaIa+1JzfkYySwGf48 Moht5dmgX8WAZu0o3H6xT3F8qCqiMOzIqkpIYs+E3xslVVhdTNB3G4EdZiDtjqL7WTQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794312105; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=c+CTNuFRI2SFjJm+8pU/ecHNBJNUO65qJoPwxpJcjzQ=; b=fyWk/iaUYonjlaD0XrQIedCBPeGbIehv/FlwE9uS3rW9Aw3xtyTXJOMTP5xp6ZZFhfOS BANFnEEszQrSTRVg76FwhNT1pomeUVSAjzxbz/xUEApbK24z4K6Tl7I9gIJxMleH+WSDN 57MalndzSMGeVSGtBDHw03+zwegMy6vXrlqYmv4FtkLpOeGZE+8wcqskZcmCZkmcpxJyI XP6obecYKMSMR9MmxjmJYnILJukQFVHCkUd7XcQy1PCpGdCeX7JBNKt5RgYYDDbkpHXlY v8dVFniQjXMOOJnAKRHCIpwkgtQ7D9GWkHIr/g1+qmaXS4nQiMjeohO2JPQqXAJd1Pw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=lF4MDQlq; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1536F606A31C for ; Tue, 10 Nov 2026 12:01:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=lF4MDQlq Received: by smtp.kernel.org (Postfix) with ESMTPSA id 786DB1F008A1; Tue, 10 Nov 2026 12:01:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794312104; bh=c+CTNuFRI2SFjJm+8pU/ecHNBJNUO65qJoPwxpJcjzQ=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=lF4MDQlq8FQP/+YiEED/E/2NpyYeJM+4q0qPwHy9yn+zRtBRxVyOWa7wE1Mmes5sr MYNocpJSlwgaB/ubPLrgvg5m1/01vhyczOWpZeqdGADCHI8sNyHhu5n7ClPXga3azo AMV8oCgA6HuCbGlJ1ckwwo3GtIEWT6yn6Hw1nFHR7QyS1q8zYZXNZUMeVgi/REiqwq ywRI7PduPB6LbQQygY7heWDEpOjwAv2XjjP3FztCllC7T59LWxJVYU+L0aH4u3Z5RB FY1qwqUReeS1Whh96HllUi3IJ/MmVdLZg0Gd8wtq6q4U9kBEeYaeasHy92QfMYZRXd 2GFi9jY4lfoxA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 7/7] thunderbolt: prevent pcie tunnel activation/teardown warnings Reply-To: sashiko-reviews@lists.linux.dev To: "Chunfeng Yun" Cc: linux-usb@vger.kernel.org In-Reply-To: <20261110114925.722014-8-chunfeng.yun@mediatek.com> References: <20261110114925.722014-1-chunfeng.yun@mediatek.com> <20261110114925.722014-8-chunfeng.yun@mediatek.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 10 Nov 2026 12:01:43 +0000 X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > When usb4 enter sleep mode, echo 1 to authorized of sysfile, > will wakeup usb4 driver, but fail to create pcie tunnel, cause > the warning due to a race condition between router disconnect > during resume and user authorization >=20 > [ 278.831186] usb4_hi NVDA8100:00: 0:1: is unplugged (state: 7), retryin= g... > [ 278.943031] usb4_hi NVDA8100:00: 0:1: failed to reach state TB_PORT_UP= . Ignoring port... > [ 278.951125] usb4_hi NVDA8100:00: 0:1: lost during suspend, disconnecti= ng > ... > [ 279.013763] usb4_hi NVDA8100:00: 0:7 <-> 1:9 (PCI): activating > [ 279.019587] usb4_hi NVDA8100:00: activating PCIe Down path from 0:7 to= 1:9 > [ 279.026468] usb4_hi NVDA8100:00: 1:1: Writing hop 1 > [ 279.031335] usb4_hi NVDA8100:00: 1:1: In HopID: 8 =3D> Out port: 9 Ou= t HopID: 8 > [ 279.038546] usb4_hi NVDA8100:00: 1:1: Weight: 1 Priority: 3 Credits:= 32 Drop: 0 PM: 0 > [ 279.046536] usb4_hi NVDA8100:00: 1:1: Counter enabled: 0 Counter in= dex: 2047 > [ ... ] > [ 546.303767] ---[ end trace 0000000000000000 ]--- >=20 > The check prevents a redundant lookup and eliminates the warning >=20 > Signed-off-by: Chunfeng Yun Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261110114925.7220= 14-2-chunfeng.yun@mediatek.com?part=3D7