Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp221541ybt; Tue, 16 Jun 2020 22:16:39 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx+jpWTHv4Gk2pwVGHQgxqkypqljw5fdLjkPsdEscnjRUXe7mWXpK5vJh7aV9HyIpaWr9pm X-Received: by 2002:aa7:d806:: with SMTP id v6mr5855381edq.174.1592370999382; Tue, 16 Jun 2020 22:16:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592370999; cv=none; d=google.com; s=arc-20160816; b=ezbJrTi1cbcpQJefBok8Zn6kJvFoFk1hIP68e35gleFE6qNhqHQ3P8X9oiDVLFncr6 pnpidUW8+doY66M3Vdk6L0ztMT6Lal2jAFoHctkTHXGMOSTKGLs7hmiGxfMRJB2N9HCI aurNe14B0MOKE5dt6GsSHJEJxir1aOqQJwsNKTrNjhabkWT4ELvnvtboDFjWVS6FKX8J yenuUfwe+ox+4xqaZXly1WlV7LwSdekFk9w2rMol05daBua3/KLfAFrRMEqJqzR5iiN+ fglJJCLxqD7122UyU5NooDbetlhG4r08NhYanfe8rOTz36//lHd4TJpCB/GIea5oRh3H scvw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=7blBFqrAKCtr5hBoP7ZJ108CIV37lZOAoMCsDOR+FAw=; b=JIbt1f5PjZw67i2gDKeKpwRUXok4GUCLq5cos+QN+Dm6Beqm+vJSSHNBK9E9mf/QQp 1R1SRHko8fePnDzKmeSdbTuys3FxsxAfkD2UDld63ETKC2SlHpJkS8dWGqGUf9vdVa/i p0ZJRoJzgj9PUxG2D2TauOKRUmKeCM+hVvKhEKxvL+mPMHGQjNwESnHvRkPB5EDvIDiU Y3+padbcGvhb0UWC4WTg1pWNwJohrYM1FYRozYvfAbou5XBSrcGHdgAltAEgy8ieG1yN Hdh2k4JqrtOsd2a5fDafQYYsWOS7O34s4eb2Vwq6lUeReFDZB91wLsbaZd8V2dUJJdUg zpzQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=YErZksz0; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id i3si9550878eja.734.2020.06.16.22.16.15; Tue, 16 Jun 2020 22:16:39 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=YErZksz0; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726757AbgFQFOb (ORCPT + 99 others); Wed, 17 Jun 2020 01:14:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:60078 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725929AbgFQFOb (ORCPT ); Wed, 17 Jun 2020 01:14:31 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 106092082F; Wed, 17 Jun 2020 05:14:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592370870; bh=4RC/DvxLHx87nlYMECwxb5uBAMKIO7v3A/WfAL5PBCs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YErZksz0VYampTxWJdKuowSC+ReHO1RudkP9FrchHYS6Yh9N3LGVdZvflUqj8fNVz Koo7nEAU92bNrPGW3HRg+wuttpu8rfAwIkXXN2tgFNO1ZoNezk+eUfGYXqKeaSpett ezmBuDCFceFPfl5n9MgqcOj6K4hXh5r3k9hkXwXw= Date: Wed, 17 Jun 2020 07:14:22 +0200 From: Greg Kroah-Hartman To: Macpaul Lin Cc: Alan Stern , Chunfeng Yun , Felipe Balbi , Matthias Brugger , =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Sergey Organov , Fabrice Gasnier , linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Mediatek WSD Upstream , Macpaul Lin Subject: Re: [PATCH v2] usb: gadget: u_serial: improve performance for large data Message-ID: <20200617051422.GA1331778@kroah.com> References: <1592310884-4307-1-git-send-email-macpaul.lin@mediatek.com> <1592362007-7120-1-git-send-email-macpaul.lin@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1592362007-7120-1-git-send-email-macpaul.lin@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 17, 2020 at 10:46:47AM +0800, Macpaul Lin wrote: > Nowadays some embedded systems use VCOM to transfer large log and data. > Take LTE MODEM as an example, during the long debugging stage, large > log and data were transfer through VCOM when doing field try or in > operator's lab. Here we suggest slightly increase the transfer buffer > in u_serial.c for performance improving. > > Signed-off-by: Macpaul Lin > --- > drivers/usb/gadget/function/u_serial.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) What changed from v1? Always put that below the --- line as the documentation asks for. v3?