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Wed, 26 Aug 2026 04:28:37 -0700 (PDT) Received: from iku.example.org ([2401:4900:1c07:194c:8843:f38f:1aa8:6d39]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-141a8f20036sm12414919c88.5.2026.08.26.04.28.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Aug 2026 04:28:37 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH] arm64: dts: renesas: rzt2h-n2h-evk: Mark XSPI1 boot partitions read-only Date: Wed, 26 Aug 2026 12:28:21 +0100 Message-ID: <20260826112821.194877-1-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar Mark the BL2 and FIP partitions on XSPI1 as read-only to prevent them from being modified through the MTD partition interface. The corresponding boot partitions on XSPI0 are already marked read-only. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi b/arch/a= rm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi index 20d0b607ec62..395316c61f33 100644 --- a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi +++ b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi @@ -825,11 +825,13 @@ partitions { partition@0 { label =3D "bl2-1"; reg =3D <0x00000000 0x00060000>; + read-only; }; =20 partition@60000 { label =3D "fip-1"; reg =3D <0x00060000 0x007a0000>; + read-only; }; =20 partition@800000 { --=20 2.43.0