From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 930D4455619; Sun, 4 Oct 2026 14:45:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791125128; cv=none; b=VtUKHI7htjs73F2fVsy8qW9UvCsfn9CGj0akmPgwjU9FasFx64P0WVRvGvg7mCkL458hf2Y/WdN4/37G7VJ4A6+GJQt5iRR8SvJjvFCYss1iti9nBnTqDkvZn/hv+1oxJ6JfYBFqTbLKrhLJ2XWPDYgcrU0e51AN3d48UeyzcbE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791125128; c=relaxed/simple; bh=b5HU/UHLmrAopsEUI7DjH+Rr21xBEqf7j1jORuMJ7dk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=F9oL7wmtxm69/tu8S2XnXa+TlcUxNc0FURvJv/PQqTOhJcJiwub151Z1PBjyqxbfqGYovU88boCj+9r8VC/2vP3e6irz8sAvNHbfnXcWllGgDlFUW9tfQzX1y1rj2EhYiJuPPvK0781CvQPq5RMjlNGFfiXZwmRI53H7gwWNtsQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=OTkmtRNA; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="OTkmtRNA" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=zx/CoOu1HuzQ3qCq3whgDNdU4gkodPjsS56YvVj7h6M=; b=OTkmtRNAr0ev+xyLTHe7Rz0TTQ qgokJtdM6VBLXR3D0gzlhOi7y4Kaztl0ZUYhL1dtsgzLhPLNWadasfB5l5EBtg2JdDaDJxge+Dw/J ScL/Zvq38f3OeFWMDrNHEiKCN0wxYaiuFwPHA6NCtqKBtw/iZcsdLs0vSrv23xdxv65c=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1xDNSk-008tXn-Re; Sun, 04 Oct 2026 16:45:14 +0200 Date: Sun, 4 Oct 2026 16:45:14 +0200 From: Andrew Lunn To: Daniel Golle Cc: Jiri Pirko , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Jonathan Corbet , Shuah Khan , Randy Dunlap , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , Vladimir Oltean , Russell King , netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, driver-core@lists.linux.dev Subject: Re: [PATCH net-next v19 5/6] net: dsa: mxl862xx: recover switch stuck in MCUboot rescue mode Message-ID: <35da2f04-0797-49c0-9926-62eeda9798e3@lunn.ch> References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sat, Oct 03, 2026 at 04:53:34PM +0100, Daniel Golle wrote: > A broken or interrupted firmware image, or the sticky rescue bit, keeps > the switch in its MCUboot loader, which exposes only the clause-22 SMDIO > download interface. The clause-45 firmware API never comes up there, so > an ordinary probe would spend its whole timeout on a mailbox nothing > answers before failing. > > Assisted-by: LLM > Signed-off-by: Daniel Golle Reviewed-by: Andrew Lunn Andrew