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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS 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 C22F8C433DF for ; Wed, 17 Jun 2020 05:14:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9F53620853 for ; Wed, 17 Jun 2020 05:14:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592370874; bh=4RC/DvxLHx87nlYMECwxb5uBAMKIO7v3A/WfAL5PBCs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=CRaKNCGRswR9a3xZLOjcO/2Aqp9CBOpqyqZwzM+FBFl9Ff6NeidckL6IIIRV371KC Y4SeJM3htBhLqWg17wQpwahLPXGAGtgmavpYe3MzPn4vfCszCxA+YkZPpW74W0HNm8 ieHFPq4VEzask6FEDLDbMiPloO+rMdhDPOiH5M88= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726681AbgFQFOb (ORCPT ); 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-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@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?