Re: [PATCH] arm64: dts: rockchip: fix emmc reset polarity on px30-cobra
From: Heiko Stuebner
Date: Tue Jun 02 2026 - 17:14:26 EST
Am Dienstag, 12. Mai 2026, 11:22:09 Mitteleuropäische Sommerzeit schrieb Jakob Unterwurzacher:
> Technically, the reset signal is active low - it's called RST_n after all.
>
> But it is ignored completely unless RST_n_FUNCTION=1 (byte 162 in extcsd)
> is set in the emmc. It is 0 per default.
>
> For emmcs that have RST_n_FUNCTION=1 we failed like this:
>
> [ 3.074480] mmc1: Failed to initialize a non-removable card
>
> With this change they work normally.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: bb510ddc9d3e ("arm64: dts: rockchip: add px30-cobra base dtsi and board variants")
> Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@xxxxxxxxx>
as Quentin remarked, author (@gmail) and signed-off-by do not match.
While I'm generally open to fixing things, when it touches the DCO this
isn't the case.
So please resend this with the correct author.
In general "git send-email" will do the correct thing (that From: line),
when patch author and email-id do not match.
Thanks
Heiko
> ---
> arch/arm64/boot/dts/rockchip/px30-cobra.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/rockchip/px30-cobra.dtsi b/arch/arm64/boot/dts/rockchip/px30-cobra.dtsi
> index b7e669d8ba4d..90751b04f95c 100644
> --- a/arch/arm64/boot/dts/rockchip/px30-cobra.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/px30-cobra.dtsi
> @@ -35,7 +35,7 @@ emmc_pwrseq: emmc-pwrseq {
> compatible = "mmc-pwrseq-emmc";
> pinctrl-0 = <&emmc_reset>;
> pinctrl-names = "default";
> - reset-gpios = <&gpio1 RK_PB3 GPIO_ACTIVE_HIGH>;
> + reset-gpios = <&gpio1 RK_PB3 GPIO_ACTIVE_LOW>;
> };
>
> gpio-leds {
>