From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BC64C55ABD for ; Thu, 12 Nov 2020 11:47:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A2A412220B for ; Thu, 12 Nov 2020 11:47:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="FzguKGOU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727223AbgKLLrn (ORCPT ); Thu, 12 Nov 2020 06:47:43 -0500 Received: from mx2.suse.de ([195.135.220.15]:46918 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728202AbgKLLlw (ORCPT ); Thu, 12 Nov 2020 06:41:52 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1605181307; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=X/n6UpDyJVwB5goaPNmbsDM4fZLd8WdN7ZS7QZYSWBc=; b=FzguKGOUo6kDKnHsaIA7oukI5xSjiIcH4VwZDbDprUL5euMZrNZUtH+cA2amv7Z/swbvkC 9PVVZpvKyp0ApLHc3StJLUxIZPKKspCcu8j2qXb0HxJxmCGGWVqjMFlAa8nFjHk8v/7TFv Keh32ZZk/9WUAUQvg7MyZtTAEDGCl1E= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 31ACBAB95; Thu, 12 Nov 2020 11:41:47 +0000 (UTC) Message-ID: <5e366bb0d11d1d2f95f964406dfe01fda59214af.camel@suse.com> Subject: Re: [PATCH] usb: cdc-acm: Add DISABLE_ECHO for Renesas USB Download mode From: Oliver Neukum To: Chris Brandt , Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Jesse Pfeister , stable Date: Thu, 12 Nov 2020 12:41:44 +0100 In-Reply-To: <20201111131209.3977903-1-chris.brandt@renesas.com> References: <20201111131209.3977903-1-chris.brandt@renesas.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Am Mittwoch, den 11.11.2020, 08:12 -0500 schrieb Chris Brandt: > Renesas R-Car and RZ/G SoCs have a firmware download mode over USB. > However, on reset a banner string is transmitted out which is not expected > to be echoed back and will corrupt the protocol. > > Signed-off-by: Chris Brandt > Cc: stable Acked-by: Oliver Neukum