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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C802C433FE for ; Tue, 3 May 2022 08:37:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230339AbiECIkp (ORCPT ); Tue, 3 May 2022 04:40:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231452AbiECIkn (ORCPT ); Tue, 3 May 2022 04:40:43 -0400 Received: from mail-qv1-f48.google.com (mail-qv1-f48.google.com [209.85.219.48]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1419340ED; Tue, 3 May 2022 01:37:11 -0700 (PDT) Received: by mail-qv1-f48.google.com with SMTP id ke5so11753486qvb.5; Tue, 03 May 2022 01:37:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=alwXS08dphdQsmDJaH0F4/NYOvmO5ktHnBJ79OKPYuU=; b=jWfHpm6RBWlx0jYNy/wI2SLp1UBUhyKLddASpSnMZ3T38GcnMgii+o1Svfs4f00BtG Al7QiCYyEJX4+rjLf3amz+fmFk/vnK2JNhOytP52cg5/SMlaB+Ar4z13GBQUhkyi3XbJ ZSnWNjkqLNvpsAuEHat7ThjQhEml4eDsRU9HQfAL1ABKTzRySouEAxvCpY8UU4HZn3vu 7KRjsC3RlDDybEfwLNqqWSRwtlwSXG6T573IVL5cLtv46/S257rY+m+ZUWKGd0i3etSf K/T9mNoXasXHDSDbbkc9CKbTVhPrcYsUhfaxBQvB4zhXxYNwtDDXkAooOOPTENbAk5DV j+mA== X-Gm-Message-State: AOAM531ZZoNz8sYTgRnBOwRx/7X3WXDTRDIDkKc8ZnmPJyLIVGVQq1/g JTNCJ5EdK8bFtcF2y7UUuhOiy525sREZ2A== X-Google-Smtp-Source: ABdhPJyMGB1rIBWaFXvIx1ERWg/JsVcFJCMUEZOf9jcQjdhZEy4Ev31ZseUaQjstBcvi3zFkVVYxOA== X-Received: by 2002:a05:6214:4101:b0:441:47e5:c718 with SMTP id kc1-20020a056214410100b0044147e5c718mr12752889qvb.12.1651567030897; Tue, 03 May 2022 01:37:10 -0700 (PDT) Received: from mail-yw1-f179.google.com (mail-yw1-f179.google.com. [209.85.128.179]) by smtp.gmail.com with ESMTPSA id o26-20020a05620a111a00b0069fc13ce242sm5597473qkk.115.2022.05.03.01.37.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 May 2022 01:37:10 -0700 (PDT) Received: by mail-yw1-f179.google.com with SMTP id 00721157ae682-2f7b815ac06so172471177b3.3; Tue, 03 May 2022 01:37:10 -0700 (PDT) X-Received: by 2002:a81:6588:0:b0:2f8:b75e:1e1a with SMTP id z130-20020a816588000000b002f8b75e1e1amr14685393ywb.358.1651567030030; Tue, 03 May 2022 01:37:10 -0700 (PDT) MIME-Version: 1.0 References: <20220421095323.101811-1-miquel.raynal@bootlin.com> <20220421095323.101811-11-miquel.raynal@bootlin.com> In-Reply-To: From: Geert Uytterhoeven Date: Tue, 3 May 2022 10:36:58 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v6 10/12] ARM: dts: r9a06g032: Fill the UART DMA properties To: Miquel Raynal Cc: Magnus Damm , Greg Kroah-Hartman , Jiri Slaby , Andy Shevchenko , Linux-Renesas , "open list:SERIAL DRIVERS" , Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Thomas Petazzoni , Herve Codina , Clement Leger , Ilpo Jarvinen Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org On Thu, Apr 28, 2022 at 11:09 AM Geert Uytterhoeven wrote: > On Thu, Apr 21, 2022 at 11:53 AM Miquel Raynal > wrote: > > UART 0 to 2 do not have DMA support, while UART 3 to 7 do. > > > > Fill the "dmas" and "dma-names" properties for each of these nodes. > > > > Please mind that these nodes go through the dmamux node which will > > redirect the requests to the right DMA controller. The first 4 cells of > > the "dmas" properties will be transferred as-is to the DMA > > controllers. The last 2 cells are consumed by the dmamux. Which means > > cell 0 and 4 are almost redundant, one giving the controller request ID > > and the other the dmamux channel which is a 1:1 translation of the > > request IDs, shifted by 16 when pointing to the second DMA controller. > > > > Signed-off-by: Miquel Raynal > > Reviewed-by: Geert Uytterhoeven Queuing in renesas-devel for v5.19. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds