From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugeniu Rosca Subject: [PATCH 3/6] arm64: dts: renesas: r8a7795: zap dma configuration in scif2 Date: Sat, 4 May 2019 02:42:55 +0200 Message-ID: <20190504004258.23574-4-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 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: eb21089c32054e ("arm64: dts: renesas: r8a7795: Add missing SYS-DMAC2 dmas") Fixes: 49af46b4095672 ("arm64: renesas: r8a7795: Add all SCIF nodes") Signed-off-by: Eugeniu Rosca --- arch/arm64/boot/dts/renesas/r8a7795.dtsi | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi index abeac3059383..7704bd46afdf 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi @@ -1323,9 +1323,6 @@ <&cpg CPG_CORE R8A7795_CLK_S3D1>, <&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 R8A7795_PD_ALWAYS_ON>; resets = <&cpg 310>; status = "disabled"; -- 2.21.0