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([80.71.140.73]) by smtp.gmail.com with ESMTPSA id y125-20020a636483000000b005bd3d6e270dsm1356002pgb.68.2023.11.30.07.20.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Nov 2023 07:20:06 -0800 (PST) From: Emil Renner Berthing To: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Emil Renner Berthing , Paul Walmsley , Palmer Dabbelt , Conor Dooley , Rob Herring , Krzysztof Kozlowski , Cristian Ciocaltea , Geert Uytterhoeven Subject: [PATCH v2 3/8] riscv: dts: starfive: Mark the JH7100 as having non-coherent DMAs Date: Thu, 30 Nov 2023 16:19:27 +0100 Message-Id: <20231130151932.729708-4-emil.renner.berthing@canonical.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231130151932.729708-1-emil.renner.berthing@canonical.com> References: <20231130151932.729708-1-emil.renner.berthing@canonical.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Emil Renner Berthing The StarFive JH7100 SoC has non-coherent device DMAs, so mark the soc bus as such. Link: https://github.com/starfive-tech/JH7100_Docs/blob/main/JH7100%20Cache= %20Coherence%20V1.0.pdf Signed-off-by: Emil Renner Berthing --- arch/riscv/boot/dts/starfive/jh7100.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts= /starfive/jh7100.dtsi index a40a8544b860..7c1009428c1f 100644 --- a/arch/riscv/boot/dts/starfive/jh7100.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi @@ -144,6 +144,7 @@ soc { interrupt-parent =3D <&plic>; #address-cells =3D <2>; #size-cells =3D <2>; + dma-noncoherent; ranges; =20 clint: clint@2000000 { --=20 2.40.1