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Fri, 17 Oct 2025 00:40:21 -0700 (PDT) Received: from CNSZTL-DEB.lan ([2401:b60:5:2::a]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-33bd7b3173asm1879479a91.12.2025.10.17.00.40.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Oct 2025 00:40:20 -0700 (PDT) From: Tianling Shen To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Grzegorz Sterniczuk , Tianling Shen , Dragan Simic , Jonas Karlman Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: rockchip: fix eMMC corruption on NanoPC-T6 with A3A444 chips Date: Fri, 17 Oct 2025 15:39:54 +0800 Message-ID: <20251017073954.130710-1-cnsztl@gmail.com> X-Mailer: git-send-email 2.51.0 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: Grzegorz Sterniczuk Some NanoPC-T6 boards with A3A444 eMMC chips experience I/O errors and corruption when using HS400 mode. Downgrade to HS200 mode to ensure stable operation. Signed-off-by: Grzegorz Sterniczuk Signed-off-by: Tianling Shen --- arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi b/arch/arm6= 4/boot/dts/rockchip/rk3588-nanopc-t6.dtsi index fafeabe9adf9..5f63f38f7326 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi @@ -717,8 +717,7 @@ &sdhci { no-sd; non-removable; max-frequency =3D <200000000>; - mmc-hs400-1_8v; - mmc-hs400-enhanced-strobe; + mmc-hs200-1_8v; status =3D "okay"; }; =20 --=20 2.51.0