Micro SD cards can't be physically write-protected like full-sized cards. Disable this feature in device-tree to get rid of the kernel warning: "host does not support reading read-only switch, assuming write-enable" Signed-off-by: Andrej Picej <andrej.picej@xxxxxxxxx> --- arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts index 00a240484c25..791909dca6e1 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts @@ -267,6 +267,7 @@ &usdhc2 { pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_pins>; pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_pins>; cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>; + disable-wp; vmmc-supply = <®_usdhc2_vmmc>; bus-width = <4>; status = "okay"; -- 2.34.1