From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugeniu Rosca Subject: [PATCH 6/6] Revert "arm64: dts: renesas: r8a77995: add DMA for SCIF2" Date: Sat, 4 May 2019 02:42:58 +0200 Message-ID: <20190504004258.23574-7-erosca@de.adit-jv.com> References: <20190504004258.23574-1-erosca@de.adit-jv.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190504004258.23574-1-erosca@de.adit-jv.com> Sender: linux-kernel-owner@vger.kernel.org To: Geert Uytterhoeven , Simon Horman , Chris Brandt , Wolfram Sang , Ulrich Hecht , Greg Kroah-Hartman Cc: "George G . Davis" , Andy Lowe , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Magnus Damm , Rob Herring , Mark Rutland , Eugeniu Rosca , Eugeniu Rosca List-Id: devicetree@vger.kernel.org This reverts commit af2ea3df851ffa68ad07ff59d4dabadbf33b45ef. Both empirically and based on the existing documentation, it looks like SCIF2 does not support DMA. Let's disable it. Full reasoning is given in commit ("Revert "arm64: dts: renesas: r8a7796: Enable DMA for SCIF2""). Fixes: af2ea3df851ffa ("arm64: dts: renesas: r8a77995: add DMA for SCIF2") Signed-off-by: Eugeniu Rosca --- arch/arm64/boot/dts/renesas/r8a77995.dtsi | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a77995.dtsi b/arch/arm64/boot/dts/renesas/r8a77995.dtsi index 5bf3af246e14..bd3ac5d00b2e 100644 --- a/arch/arm64/boot/dts/renesas/r8a77995.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77995.dtsi @@ -740,9 +740,6 @@ <&cpg CPG_CORE R8A77995_CLK_S3D1C>, <&scif_clk>; clock-names = "fck", "brg_int", "scif_clk"; - dmas = <&dmac1 0x13>, <&dmac1 0x12>, - <&dmac2 0x13>, <&dmac2 0x12>; - dma-names = "tx", "rx", "tx", "rx"; power-domains = <&sysc R8A77995_PD_ALWAYS_ON>; resets = <&cpg 310>; status = "disabled"; -- 2.21.0