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=-6.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,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 546DBC07E9A for ; Wed, 14 Jul 2021 04:50:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 28D48613AF for ; Wed, 14 Jul 2021 04:50:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230270AbhGNExF (ORCPT ); Wed, 14 Jul 2021 00:53:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:37828 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229451AbhGNExF (ORCPT ); Wed, 14 Jul 2021 00:53:05 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5278561073; Wed, 14 Jul 2021 04:50:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626238214; bh=wxvKXBZPj073EBoe4vQksUb0liAuR+H7uq0nObvPZLM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NRvFRfEKvF5iAmCrevcP4Kkv5DzeS0kQf4RZSZeXRyWyGJqUffocVue0p9K6ye/uj aogMJtSD5C21IblexGcVJpDjznWQcpA1nFEfWppX8BCSGHKcUj32LfKmehUpgTs2bL btnt58Ts8ENGznwp+c0GxYJusQpwssEG3NKn0k19XPe6gk6Dx+TdWqESZ6LoXV/CYs 4FNSFQ5UV/bIfzs+HFE6qcQKOMMn5j1NgjB//Y4Go9MaLQnE2i/bOIUM6DIfSzKbxB N47tzyQQ5DKh2hPOt8MeDTHwgOorWjQm7uNtzqQ+FSUWV6YBDS0o1GTcuxnpEQey+X HGRxhrl5c58xg== Date: Wed, 14 Jul 2021 10:20:10 +0530 From: Vinod Koul To: pandith.n@intel.com Cc: Eugeniy.Paltsev@synopsys.com, dmaengine@vger.kernel.org, lakshmi.bai.raja.subramanian@intel.com, kris.pan@intel.com, mallikarjunappa.sangannavar@intel.com, Srikanth.Thokala@intel.com Subject: Re: [linux-drivers-review] [PATCH V2 1/1] dmaengine: dw-axi-dmac: support parallel memory <--> peripheral transfers Message-ID: References: <20210709095133.26867-1-pandith.n@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210709095133.26867-1-pandith.n@intel.com> Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 09-07-21, 15:21, pandith.n@intel.com wrote: > From: Pandith N > > Added support for multiple DMA_MEM_TO_DEV, DMA_DEV_TO_MEM transfers in > parallel. This is required for peripherals using DMA for transmit and > receive operations at the same time. APB slot number needs to be programmed > in channel hardware handshaking interface. > > Removed free slot check algorithm in dw_axi_dma_set_hw_channel. For 8 > DMA channels, use respective handshake slot in DMA_HS_SEL APB register. and why was that removed, maybe a different patch for that? > > Burst length, DMA HW capability set in dt-binding is now used in driver. Another patch... So, too many changes below for the description above, pls split -- ~Vinod