From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Grzegorz Sterniczuk Date: Mon, 21 Jul 2025 23:24:11 +0200 Subject: rockchip: fix eMMC corruption on NanoPC-T6 with A3A444 chips 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. Fixes: #18844 Signed-off-by: Grzegorz Sterniczuk --- arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi @@ -619,8 +619,7 @@ no-sd; non-removable; max-frequency = <200000000>; - mmc-hs400-1_8v; - mmc-hs400-enhanced-strobe; + mmc-hs200-1_8v; status = "okay"; };