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=-5.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 6AF57C43381 for ; Fri, 22 Feb 2019 20:42:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 365FC2075C for ; Fri, 22 Feb 2019 20:42:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550868136; bh=7fVrrEiutr3ckOlpV3eO9FKOdNl4pAdlTPrWfhFO94U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=hfYnyu85THWYPBS1OYb8vR/0+i+KeQxyjTe3/DftRhjjnsSv2ZAQLExuU3/nO3N3u YSTGBNMxwnAgu1RbZGbUOmrXdQIOwHosIGbiINGgUpIjJSYxJn4Vhlat+fmhoOPv/6 NKY/os6JqNYWGkzxnaGFamCQsQaVEu9PbzKxjtVg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727314AbfBVUmO (ORCPT ); Fri, 22 Feb 2019 15:42:14 -0500 Received: from mail-oi1-f193.google.com ([209.85.167.193]:40351 "EHLO mail-oi1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725821AbfBVUmO (ORCPT ); Fri, 22 Feb 2019 15:42:14 -0500 Received: by mail-oi1-f193.google.com with SMTP id x187so2758422oia.7; Fri, 22 Feb 2019 12:42:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=hFi7L4s8T1xW8jC0I+2GIQ3aNYN50A8rveMXQ0PTdj0=; b=nTrdjBNQptybsdDeg3z8oIYZNqS7YqLoj4RIa3XDnIVwLt5haNpT63CJXXDvECb4qo Z057xB4nssxYFMlMelER6DqMKMbZ1XrH6zWYecxhsfO4tLVY/tnB6NUyTuUazCwHrvij JjQQkyR926amFYMK0Q9e5xUsFrRyuadcOw0H4kK6xAwqG6Ul7wm2UGkO+/XNYkosVj6Z DAB5cRBmam6Qk0fAt2nc4v7e/ug4n46l2slRpFfJDmjt2vISNFnwlSloFDtntZNSBS5s 9nGQhnrUVb7+jOX1T5xL7JhUUtQnKQZEFMgSba1eiYRWxly9LPLpnWGSQjyPe5n/Ob5R vUdg== X-Gm-Message-State: AHQUAub2W6dxv+kBT3wKopuBOnKTm47o7cArlE24JivxF9PT2FP8udM8 bfqcCixEokI5p4XfVr/M6A== X-Google-Smtp-Source: AHgI3Ibyn8rUOfMmYPKgygX/pb50Sixwskl36UC8LmZSrXn/MNokD4EwvpmWi5ZNPEVlUF5hqtp4QA== X-Received: by 2002:a05:6808:315:: with SMTP id i21mr3809732oie.114.1550868133501; Fri, 22 Feb 2019 12:42:13 -0800 (PST) Received: from localhost (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id s21sm1042055oie.52.2019.02.22.12.42.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 22 Feb 2019 12:42:12 -0800 (PST) Date: Fri, 22 Feb 2019 14:42:12 -0600 From: Rob Herring To: Baolin Wang Cc: vkoul@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, arnd@arndb.de, orsonzhai@gmail.com, zhang.lyra@gmail.com, dan.j.williams@intel.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, eric.long@unisoc.com, broonie@kernel.org, baolin.wang@linaro.org Subject: Re: [PATCH v2 1/2] dt-bindings: dmaengine: sprd: Change channel id to slave id for DMA cell specifier Message-ID: <20190222204212.GA26859@bogus> References: <652a8ef9554890c254823ec39858b8d7413fd561.1550719757.git.baolin.wang@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <652a8ef9554890c254823ec39858b8d7413fd561.1550719757.git.baolin.wang@linaro.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 21 Feb 2019 13:34:40 +0800, Baolin Wang wrote: > For Spreadtrum DMA engine, all channels are equal, which means slave can > request any channels with setting a unique slave id to trigger this channel. > > Thus we can remove the channel id from device tree to assign the channel > dynamically, moreover we should add the slave id in device tree. > > Signed-off-by: Baolin Wang > --- > Changes from v1: > - Remove channel id from DT. > --- > Documentation/devicetree/bindings/dma/sprd-dma.txt | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: Rob Herring