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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 C19D0C43613 for ; Fri, 21 Jun 2019 13:17:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 98C6721530 for ; Fri, 21 Jun 2019 13:17:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561123055; bh=261r6uVQZqRD/KvN8ivfHajwNi38MxHfYzJVQIpaJ00=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=bIjbuZmIOEwd3IonxOVfmwqrwrEuQwUG/A2NV3EYJCC9PVetyhwHYGYOoYqcf/my1 Xox4T2M4OD7Kl2ucvnzgiZQFfZmsH4CEld6IZoQn/7350xKZspz5qXNfPsRvAQAbMO QZu9a4DO4ZCMCRPoNm8YbRmmVEQPl9yLN8+/rAgE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726372AbfFUNRe (ORCPT ); Fri, 21 Jun 2019 09:17:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:60588 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726017AbfFUNRd (ORCPT ); Fri, 21 Jun 2019 09:17:33 -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 6E1AC20673; Fri, 21 Jun 2019 13:17:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561123052; bh=261r6uVQZqRD/KvN8ivfHajwNi38MxHfYzJVQIpaJ00=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ErxUbrVJ0CFz+sPx1YEPlxAoOcxPV1cnoDhjVL8PR1ri1bmH1Hzci34eIO6NZzMR1 3IL9M03DQ5BtnrkeGR65h/GkDz1+rGrS9ixjOff7xHSSdg9pGEsCotobJrN/DyUDru vffTZDIL7EjHoRIMGcz7ZhAPgMeCRLiJqJB4xMKg= Date: Fri, 21 Jun 2019 15:17:29 +0200 From: Greg KH To: "sudheer.v" Cc: jslaby@suse.com, joel@jms.id.au, andrew@aj.id.au, benh@kernel.crashing.org, robh+dt@kernel.org, mark.rutland@arm.com, shivahshankar.shankarnarayanrao@aspeedtech.com, shivahshankar@gmail.com, sudheer.veliseti@aspeedtech.com, sudheer veliseti , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-aspeed@lists.ozlabs.org Subject: Re: [patch 0/5] *** DMA based UART driver for AST2500 *** Message-ID: <20190621131729.GA9997@kroah.com> References: <1561115855-4186-1-git-send-email-open.sudheer@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1561115855-4186-1-git-send-email-open.sudheer@gmail.com> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 21, 2019 at 04:47:30PM +0530, sudheer.v wrote: > From: sudheer veliseti > > Hi, > AST2500 has dedicated Uart DMA controller which has 12 sets of > Tx and RX channels connected to UART controller directly. > Since the DMA controller have dedicated buffers and registers, > there would be little benifit in adding DMA framework overhead. > So the software for DMA controller is included within the UART driver itself. > > Thanks and Regards > Sudheer.V Is this a v2 of this patch series? You always have to version your patches and say what changed from the previous one, like the documentation says to do. Please fix this up and resend. thanks, greg k-h