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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AC5D2C761A6 for ; Mon, 27 Mar 2023 15:30:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=aKtOEAwUw84GpwT6Mu2NDMQJNHYv8RI1vkXPw1qvIGE=; b=GxaDMI0O/6nbzd ZSg8NeLQ7ZBnJKKo+Zm7DIr+aPILZ8SVUQUgD90ZrmrpKVUZN71htuxuexbOzse1+SkW7qLWXTcMQ rg4AzHFVP0O0dXCnCi8O6fJf9udTnoFrgSK8J1XZjHvj1cR/+cJ2qVKqGwGpR7ZQC48Dx22LeqTZl RH6asK5u4TURVzgur/GM0foUHF0uFai8lN046JmHPbxog1oTFp9ajqwrhZypqQscgyjdE4+d+Ws31 KLEt/D5Lvoh4/noX8bP5PXbck/0d+YTEy/D8bm2qoagWVqh/HBjPwE90LbtD50L3QR8WLLo5F5JT0 2IEZuVc0tqkVrsyg4z+A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pgonk-00BWgb-2B; Mon, 27 Mar 2023 15:30:28 +0000 Received: from mail-ot1-f54.google.com ([209.85.210.54]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pgong-00BWf1-2K; Mon, 27 Mar 2023 15:30:26 +0000 Received: by mail-ot1-f54.google.com with SMTP id a30-20020a9d3e1e000000b006a13f728172so1568992otd.3; Mon, 27 Mar 2023 08:30:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679931022; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=GyK2fUsSPD/ZhKF2aRPOTaEqWirYfYdqwsIGEX2UYRY=; b=apHXdL4+KSC2lD12N6ru5nySc20wlMb5CjlCWVD5DlW2CgbOqrFyF8FZdrnY6EVTmY 2bZLd1iXZCkoCl3s1fJ1MSkLfvJddoZz/i+M6WhycEqLmufeun17MkuMNVueGql2jEuh J4qmt7RboOY73chW+zZE5E1xmEpKgSli0b0RlbeD8SC7kjC+lBmEDVo1/1hEPPrfln0f yUwzDWPjocxyLQgA48s/rN7eLLkjN6PDbkNMc65vDk6g9YZ00j0VnP9yKj56CWtleQoP x9FdhJBvMhZVJCiu8zs0bRJB6dqmQ7miHyScbR1zBDmFOHlm1AkUt3mzFtySNcXjfBYz YnEg== X-Gm-Message-State: AO0yUKXE4vLsaWfS7J9ZxCAIB32x18G7gWjQEx4OFCd7wWo4Lz8NYdTw J5lGet5k+EcXdwxZcKGXag== X-Google-Smtp-Source: AK7set/gGvswDR9Qi8QEAjTtwuOiAplRhNhucwkwiCcY/K2JNpIB9iD2QrPd5kmkGr8CtufM0mCkUA== X-Received: by 2002:a9d:6642:0:b0:690:a6b3:a2f6 with SMTP id q2-20020a9d6642000000b00690a6b3a2f6mr6294603otm.0.1679931022551; Mon, 27 Mar 2023 08:30:22 -0700 (PDT) Received: from robh_at_kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id j15-20020a9d7f0f000000b0069fb32837a9sm4748248otq.42.2023.03.27.08.30.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Mar 2023 08:30:22 -0700 (PDT) Received: (nullmailer pid 3908955 invoked by uid 1000); Mon, 27 Mar 2023 15:30:21 -0000 Date: Mon, 27 Mar 2023 10:30:21 -0500 From: Rob Herring To: Cristian Ciocaltea Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Jernej Skrabec , Krzysztof Kozlowski , linux-sunxi@lists.linux.dev, Conor Dooley , linux-rockchip@lists.infradead.org, Nicolas Frattaroli , kernel@collabora.com, Palmer Dabbelt , Albert Ou , Samuel Holland , linux-kernel@vger.kernel.org, Chen-Yu Tsai , Greg Kroah-Hartman , Heiko Stuebner , Rob Herring , linux-serial@vger.kernel.org, Paul Walmsley , linux-riscv@lists.infradead.org Subject: Re: [PATCH v2 01/10] dt-bindings: serial: snps-dw-apb-uart: Switch dma-names order Message-ID: <167993102075.3908904.11641161105077047331.robh@kernel.org> References: <20230321215624.78383-1-cristian.ciocaltea@collabora.com> <20230321215624.78383-2-cristian.ciocaltea@collabora.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230321215624.78383-2-cristian.ciocaltea@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230327_083024_756301_29693784 X-CRM114-Status: GOOD ( 16.16 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On Tue, 21 Mar 2023 23:56:15 +0200, Cristian Ciocaltea wrote: > Commit 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma & > dma-names properties") documented dma-names property to handle Allwinner > D1 dtbs_check warnings, but relies on the rx->tx ordering, which is the > reverse of what a different board expects: > > rk3326-odroid-go2.dtb: serial@ff030000: dma-names:0: 'rx' was expected > > A quick and incomplete check shows the inconsistency is present in many > other DTS files: > > $ git grep -A10 snps,dw-apb-uart | grep dma-names | sort -u > arch/arm64/boot/dts/rockchip/px30.dtsi- dma-names = "tx", "rx"; > arch/arm64/boot/dts/rockchip/rk3328.dtsi- dma-names = "tx", "rx"; > arch/arm64/boot/dts/rockchip/rk3588s.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3066a.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3128.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3288.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rv1126.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/socfpga.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/sun6i-a31.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sun8i-v3s.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dma-names = "rx", "tx"; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dma-names = "rx", "tx"; > > The initial proposed solution was to allow a flexible dma-names order in > the binding, due to potential ABI breakage concerns after fixing the DTS > files. But luckily the Allwinner boards are not really affected, since > all of them are using a shared DMA channel for rx and tx: > > $ git grep -A10 snps,dw-apb-uart | grep 'sun.*dmas' | sort -u > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 10>, <&dma 10>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 22>, <&dma 22>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 10>, <&dma 10>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 14>, <&dma 14>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 15>, <&dma 15>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 16>, <&dma 16>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 17>, <&dma 17>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 18>, <&dma 18>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 19>, <&dma 19>; > > Switch dma-names order to tx->rx as the first step in fixing the > inconsistency. The remaining DTS fixes will be handled by separate > patches. > > Signed-off-by: Cristian Ciocaltea > --- > Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: Rob Herring _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 94F87C6FD1D for ; Mon, 27 Mar 2023 15:30:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MTW5Bd+vJnp5RnnyV/WdmvuIhgwzaSyUZKqOuQdQEDU=; b=MAlhV30/Yw/ZOC G2HM/gghg6KmInrnxTpADXDo8jBva4JVkPfmbUiMnczO6uSAHrj8C0FBKDcMyjtLv6ywRiwk233IM Nrwnoh0ppkGskc8l6yuz6+n8qSmSppC7A5Ws/+GAgkPUMmZmT8NC3mjewuosBxLhZwN7/jt35bxzC /6zvqm0IJ5nApB/EV6NwwmssqdCRf8Uze6+3gKr5V2zequUO9Wg73uDnrEwg/18fTVkG4t/iEZ8zt d0JZpdzNz58lqLKlvYCvxCQ34C1VQgCDvkjR5hbUPLvlOTDE8xtiifmRSadxAYVfiIt6SlHY6u3Io rh3t3ijc3slHE2UoRA7g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pgonl-00BWgn-0E; Mon, 27 Mar 2023 15:30:29 +0000 Received: from mail-ot1-f54.google.com ([209.85.210.54]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pgong-00BWf1-2K; Mon, 27 Mar 2023 15:30:26 +0000 Received: by mail-ot1-f54.google.com with SMTP id a30-20020a9d3e1e000000b006a13f728172so1568992otd.3; Mon, 27 Mar 2023 08:30:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679931022; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=GyK2fUsSPD/ZhKF2aRPOTaEqWirYfYdqwsIGEX2UYRY=; b=apHXdL4+KSC2lD12N6ru5nySc20wlMb5CjlCWVD5DlW2CgbOqrFyF8FZdrnY6EVTmY 2bZLd1iXZCkoCl3s1fJ1MSkLfvJddoZz/i+M6WhycEqLmufeun17MkuMNVueGql2jEuh J4qmt7RboOY73chW+zZE5E1xmEpKgSli0b0RlbeD8SC7kjC+lBmEDVo1/1hEPPrfln0f yUwzDWPjocxyLQgA48s/rN7eLLkjN6PDbkNMc65vDk6g9YZ00j0VnP9yKj56CWtleQoP x9FdhJBvMhZVJCiu8zs0bRJB6dqmQ7miHyScbR1zBDmFOHlm1AkUt3mzFtySNcXjfBYz YnEg== X-Gm-Message-State: AO0yUKXE4vLsaWfS7J9ZxCAIB32x18G7gWjQEx4OFCd7wWo4Lz8NYdTw J5lGet5k+EcXdwxZcKGXag== X-Google-Smtp-Source: AK7set/gGvswDR9Qi8QEAjTtwuOiAplRhNhucwkwiCcY/K2JNpIB9iD2QrPd5kmkGr8CtufM0mCkUA== X-Received: by 2002:a9d:6642:0:b0:690:a6b3:a2f6 with SMTP id q2-20020a9d6642000000b00690a6b3a2f6mr6294603otm.0.1679931022551; Mon, 27 Mar 2023 08:30:22 -0700 (PDT) Received: from robh_at_kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id j15-20020a9d7f0f000000b0069fb32837a9sm4748248otq.42.2023.03.27.08.30.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Mar 2023 08:30:22 -0700 (PDT) Received: (nullmailer pid 3908955 invoked by uid 1000); Mon, 27 Mar 2023 15:30:21 -0000 Date: Mon, 27 Mar 2023 10:30:21 -0500 From: Rob Herring To: Cristian Ciocaltea Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Jernej Skrabec , Krzysztof Kozlowski , linux-sunxi@lists.linux.dev, Conor Dooley , linux-rockchip@lists.infradead.org, Nicolas Frattaroli , kernel@collabora.com, Palmer Dabbelt , Albert Ou , Samuel Holland , linux-kernel@vger.kernel.org, Chen-Yu Tsai , Greg Kroah-Hartman , Heiko Stuebner , Rob Herring , linux-serial@vger.kernel.org, Paul Walmsley , linux-riscv@lists.infradead.org Subject: Re: [PATCH v2 01/10] dt-bindings: serial: snps-dw-apb-uart: Switch dma-names order Message-ID: <167993102075.3908904.11641161105077047331.robh@kernel.org> References: <20230321215624.78383-1-cristian.ciocaltea@collabora.com> <20230321215624.78383-2-cristian.ciocaltea@collabora.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230321215624.78383-2-cristian.ciocaltea@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230327_083024_756301_29693784 X-CRM114-Status: GOOD ( 16.16 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Tue, 21 Mar 2023 23:56:15 +0200, Cristian Ciocaltea wrote: > Commit 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma & > dma-names properties") documented dma-names property to handle Allwinner > D1 dtbs_check warnings, but relies on the rx->tx ordering, which is the > reverse of what a different board expects: > > rk3326-odroid-go2.dtb: serial@ff030000: dma-names:0: 'rx' was expected > > A quick and incomplete check shows the inconsistency is present in many > other DTS files: > > $ git grep -A10 snps,dw-apb-uart | grep dma-names | sort -u > arch/arm64/boot/dts/rockchip/px30.dtsi- dma-names = "tx", "rx"; > arch/arm64/boot/dts/rockchip/rk3328.dtsi- dma-names = "tx", "rx"; > arch/arm64/boot/dts/rockchip/rk3588s.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3066a.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3128.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3288.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rv1126.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/socfpga.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/sun6i-a31.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sun8i-v3s.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dma-names = "rx", "tx"; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dma-names = "rx", "tx"; > > The initial proposed solution was to allow a flexible dma-names order in > the binding, due to potential ABI breakage concerns after fixing the DTS > files. But luckily the Allwinner boards are not really affected, since > all of them are using a shared DMA channel for rx and tx: > > $ git grep -A10 snps,dw-apb-uart | grep 'sun.*dmas' | sort -u > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 10>, <&dma 10>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 22>, <&dma 22>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 10>, <&dma 10>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 14>, <&dma 14>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 15>, <&dma 15>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 16>, <&dma 16>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 17>, <&dma 17>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 18>, <&dma 18>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 19>, <&dma 19>; > > Switch dma-names order to tx->rx as the first step in fixing the > inconsistency. The remaining DTS fixes will be handled by separate > patches. > > Signed-off-by: Cristian Ciocaltea > --- > Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: Rob Herring _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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 66BC5C761A6 for ; Mon, 27 Mar 2023 15:30:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232699AbjC0Pa1 (ORCPT ); Mon, 27 Mar 2023 11:30:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232541AbjC0Pa0 (ORCPT ); Mon, 27 Mar 2023 11:30:26 -0400 Received: from mail-ot1-f46.google.com (mail-ot1-f46.google.com [209.85.210.46]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 646FA126; Mon, 27 Mar 2023 08:30:23 -0700 (PDT) Received: by mail-ot1-f46.google.com with SMTP id l39-20020a9d1b2a000000b006a121324abdso3160893otl.7; Mon, 27 Mar 2023 08:30:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679931022; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=GyK2fUsSPD/ZhKF2aRPOTaEqWirYfYdqwsIGEX2UYRY=; b=wqJc3AamYZ6QNJO/LpTwJdTDEmfJK6bJBraBw+wsxZt7iuyB1ZMjk42dfERUlgTJ8m yBfmcvDozxx8O9kWJmMcjsVlot7203jD1nsktdNKd6ZlZWn1syXbHwVQBCHlwi6o0VyW HwVBhOU0WTBK/kgfoP32htWYtW9XXzOD9Q2EhWxzDF+hx+ZCVE1XzwYYJhVz2rn7Gd/5 fgDrqRBzgki7nhJvQm89t6l57Pb39wURUhgw4HsnuQis4Cy8t/yNY/Jmb9/xU2vCvS9p qlnpmFJsWIEGx8G01KKQwQgN1RQKJ8u0mjsRVnfQvivPZRSff0nxPYEZmfdeLLcTmeZO yitg== X-Gm-Message-State: AO0yUKWSEpjbToTvBxHXolvFa5K5KD+I8X8R3W8MSnA130R2f3gyhglW 7JJkxTNXEeyF9Vcbjo6oiw== X-Google-Smtp-Source: AK7set/gGvswDR9Qi8QEAjTtwuOiAplRhNhucwkwiCcY/K2JNpIB9iD2QrPd5kmkGr8CtufM0mCkUA== X-Received: by 2002:a9d:6642:0:b0:690:a6b3:a2f6 with SMTP id q2-20020a9d6642000000b00690a6b3a2f6mr6294603otm.0.1679931022551; Mon, 27 Mar 2023 08:30:22 -0700 (PDT) Received: from robh_at_kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id j15-20020a9d7f0f000000b0069fb32837a9sm4748248otq.42.2023.03.27.08.30.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Mar 2023 08:30:22 -0700 (PDT) Received: (nullmailer pid 3908955 invoked by uid 1000); Mon, 27 Mar 2023 15:30:21 -0000 Date: Mon, 27 Mar 2023 10:30:21 -0500 From: Rob Herring To: Cristian Ciocaltea Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Jernej Skrabec , Krzysztof Kozlowski , linux-sunxi@lists.linux.dev, Conor Dooley , linux-rockchip@lists.infradead.org, Nicolas Frattaroli , kernel@collabora.com, Palmer Dabbelt , Albert Ou , Samuel Holland , linux-kernel@vger.kernel.org, Chen-Yu Tsai , Greg Kroah-Hartman , Heiko Stuebner , Rob Herring , linux-serial@vger.kernel.org, Paul Walmsley , linux-riscv@lists.infradead.org Subject: Re: [PATCH v2 01/10] dt-bindings: serial: snps-dw-apb-uart: Switch dma-names order Message-ID: <167993102075.3908904.11641161105077047331.robh@kernel.org> References: <20230321215624.78383-1-cristian.ciocaltea@collabora.com> <20230321215624.78383-2-cristian.ciocaltea@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230321215624.78383-2-cristian.ciocaltea@collabora.com> Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org On Tue, 21 Mar 2023 23:56:15 +0200, Cristian Ciocaltea wrote: > Commit 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma & > dma-names properties") documented dma-names property to handle Allwinner > D1 dtbs_check warnings, but relies on the rx->tx ordering, which is the > reverse of what a different board expects: > > rk3326-odroid-go2.dtb: serial@ff030000: dma-names:0: 'rx' was expected > > A quick and incomplete check shows the inconsistency is present in many > other DTS files: > > $ git grep -A10 snps,dw-apb-uart | grep dma-names | sort -u > arch/arm64/boot/dts/rockchip/px30.dtsi- dma-names = "tx", "rx"; > arch/arm64/boot/dts/rockchip/rk3328.dtsi- dma-names = "tx", "rx"; > arch/arm64/boot/dts/rockchip/rk3588s.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3066a.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3128.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3288.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rv1126.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/socfpga.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/sun6i-a31.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sun8i-v3s.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dma-names = "rx", "tx"; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dma-names = "rx", "tx"; > > The initial proposed solution was to allow a flexible dma-names order in > the binding, due to potential ABI breakage concerns after fixing the DTS > files. But luckily the Allwinner boards are not really affected, since > all of them are using a shared DMA channel for rx and tx: > > $ git grep -A10 snps,dw-apb-uart | grep 'sun.*dmas' | sort -u > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 10>, <&dma 10>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 22>, <&dma 22>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 10>, <&dma 10>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 14>, <&dma 14>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 15>, <&dma 15>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 16>, <&dma 16>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 17>, <&dma 17>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 18>, <&dma 18>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 19>, <&dma 19>; > > Switch dma-names order to tx->rx as the first step in fixing the > inconsistency. The remaining DTS fixes will be handled by separate > patches. > > Signed-off-by: Cristian Ciocaltea > --- > Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: Rob Herring 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9B9C4C76195 for ; Mon, 27 Mar 2023 15:31:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=tUdZz+11wLVkQRqfECPOvzQZYhFaxcUoFrdTR8S/zfs=; b=bJfnQlVdxQM+cZ Q/sFpWmxlXcJhlzwr+DjBmleljiI28L8dREYUwvchR1lBy9N6xtL2Iq5BZ/8PS64HpKHRvAchSdkN DHuoMRdNyWvzeTG3Mgw+aK3XQFwuPriyfAovIwGw+aFzS+6lg3jANgKkIW/E+vHohXjPLjSYz22Nj cKRp++0ryT/qfsj+0tlel8MunGoXRM1WZAovaY1yFzKE4W6mXBBwziX+Ooc+CNs2poxRjO/vkTBTN zxIJwnuRKOrretuWEM6SFy89m9eb/ep5qsovn2dunGw1cmmvNLi/YFG738webfrrH/tzDYR4owVal U2bYQ6XC0w+Khni3eoxQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pgonj-00BWgA-2R; Mon, 27 Mar 2023 15:30:27 +0000 Received: from mail-ot1-f54.google.com ([209.85.210.54]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pgong-00BWf1-2K; Mon, 27 Mar 2023 15:30:26 +0000 Received: by mail-ot1-f54.google.com with SMTP id a30-20020a9d3e1e000000b006a13f728172so1568992otd.3; Mon, 27 Mar 2023 08:30:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679931022; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=GyK2fUsSPD/ZhKF2aRPOTaEqWirYfYdqwsIGEX2UYRY=; b=apHXdL4+KSC2lD12N6ru5nySc20wlMb5CjlCWVD5DlW2CgbOqrFyF8FZdrnY6EVTmY 2bZLd1iXZCkoCl3s1fJ1MSkLfvJddoZz/i+M6WhycEqLmufeun17MkuMNVueGql2jEuh J4qmt7RboOY73chW+zZE5E1xmEpKgSli0b0RlbeD8SC7kjC+lBmEDVo1/1hEPPrfln0f yUwzDWPjocxyLQgA48s/rN7eLLkjN6PDbkNMc65vDk6g9YZ00j0VnP9yKj56CWtleQoP x9FdhJBvMhZVJCiu8zs0bRJB6dqmQ7miHyScbR1zBDmFOHlm1AkUt3mzFtySNcXjfBYz YnEg== X-Gm-Message-State: AO0yUKXE4vLsaWfS7J9ZxCAIB32x18G7gWjQEx4OFCd7wWo4Lz8NYdTw J5lGet5k+EcXdwxZcKGXag== X-Google-Smtp-Source: AK7set/gGvswDR9Qi8QEAjTtwuOiAplRhNhucwkwiCcY/K2JNpIB9iD2QrPd5kmkGr8CtufM0mCkUA== X-Received: by 2002:a9d:6642:0:b0:690:a6b3:a2f6 with SMTP id q2-20020a9d6642000000b00690a6b3a2f6mr6294603otm.0.1679931022551; Mon, 27 Mar 2023 08:30:22 -0700 (PDT) Received: from robh_at_kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id j15-20020a9d7f0f000000b0069fb32837a9sm4748248otq.42.2023.03.27.08.30.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Mar 2023 08:30:22 -0700 (PDT) Received: (nullmailer pid 3908955 invoked by uid 1000); Mon, 27 Mar 2023 15:30:21 -0000 Date: Mon, 27 Mar 2023 10:30:21 -0500 From: Rob Herring To: Cristian Ciocaltea Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Jernej Skrabec , Krzysztof Kozlowski , linux-sunxi@lists.linux.dev, Conor Dooley , linux-rockchip@lists.infradead.org, Nicolas Frattaroli , kernel@collabora.com, Palmer Dabbelt , Albert Ou , Samuel Holland , linux-kernel@vger.kernel.org, Chen-Yu Tsai , Greg Kroah-Hartman , Heiko Stuebner , Rob Herring , linux-serial@vger.kernel.org, Paul Walmsley , linux-riscv@lists.infradead.org Subject: Re: [PATCH v2 01/10] dt-bindings: serial: snps-dw-apb-uart: Switch dma-names order Message-ID: <167993102075.3908904.11641161105077047331.robh@kernel.org> References: <20230321215624.78383-1-cristian.ciocaltea@collabora.com> <20230321215624.78383-2-cristian.ciocaltea@collabora.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230321215624.78383-2-cristian.ciocaltea@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230327_083024_756301_29693784 X-CRM114-Status: GOOD ( 16.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 21 Mar 2023 23:56:15 +0200, Cristian Ciocaltea wrote: > Commit 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma & > dma-names properties") documented dma-names property to handle Allwinner > D1 dtbs_check warnings, but relies on the rx->tx ordering, which is the > reverse of what a different board expects: > > rk3326-odroid-go2.dtb: serial@ff030000: dma-names:0: 'rx' was expected > > A quick and incomplete check shows the inconsistency is present in many > other DTS files: > > $ git grep -A10 snps,dw-apb-uart | grep dma-names | sort -u > arch/arm64/boot/dts/rockchip/px30.dtsi- dma-names = "tx", "rx"; > arch/arm64/boot/dts/rockchip/rk3328.dtsi- dma-names = "tx", "rx"; > arch/arm64/boot/dts/rockchip/rk3588s.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3066a.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3128.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rk3288.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/rv1126.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/socfpga.dtsi- dma-names = "tx", "rx"; > arch/arm/boot/dts/sun6i-a31.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sun8i-v3s.dtsi- dma-names = "rx", "tx"; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dma-names = "rx", "tx"; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dma-names = "rx", "tx"; > > The initial proposed solution was to allow a flexible dma-names order in > the binding, due to potential ABI breakage concerns after fixing the DTS > files. But luckily the Allwinner boards are not really affected, since > all of them are using a shared DMA channel for rx and tx: > > $ git grep -A10 snps,dw-apb-uart | grep 'sun.*dmas' | sort -u > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 10>, <&dma 10>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 22>, <&dma 22>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 10>, <&dma 10>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 6>, <&dma 6>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 7>, <&dma 7>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 8>, <&dma 8>; > arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 9>, <&dma 9>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 14>, <&dma 14>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 15>, <&dma 15>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 16>, <&dma 16>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 17>, <&dma 17>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 18>, <&dma 18>; > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 19>, <&dma 19>; > > Switch dma-names order to tx->rx as the first step in fixing the > inconsistency. The remaining DTS fixes will be handled by separate > patches. > > Signed-off-by: Cristian Ciocaltea > --- > Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: Rob Herring _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel