Re: [PATCH] ARM: dts: i.MX8MP FRDM: remove memory node

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

Hello,

On 6/12/26 13:58, Bastian Krause wrote:
> Since f083fffe52 ("ARM: dts: i.MX8MP: add DDRC compatibles") the esdctl
> driver is used. This causes the errors below since barebox tries to add
> the memory twice:
> 
>   imx-esdctl 3d400000.memory-controller@3d400000.of: probe failed: Device or resource busy
>   initcall imx_esdctl_driver_init+0x0/0x2c failed: No such device

Can you share the full output? -EBUSY here is not expected for
the issues you describe. barebox has been tolerant of the same
memory bank being registered by different means for a number
of years now.

> Remove the memory node to fix this.
> 
> 604c974c968 ("ARM: dts: i.MX8MP: remove memory node") already fixed this
> for the i.MX8MP EVK and the TQMa8MPxL on the MBa8MPxL.

This commit doesn't exist upstream.

> 
> Fixes: f083fffe52 ("ARM: dts: i.MX8MP: add DDRC compatibles")

This commit is 3 years old and the FRDM was only added this year.
Was the error message there all the time..?

Thanks,
Ahmad


> Signed-off-by: Bastian Krause <bst@pengutronix.de>
> ---
>  arch/arm/dts/imx8mp-frdm.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/dts/imx8mp-frdm.dts b/arch/arm/dts/imx8mp-frdm.dts
> index b1870213baf..7d770c3e456 100644
> --- a/arch/arm/dts/imx8mp-frdm.dts
> +++ b/arch/arm/dts/imx8mp-frdm.dts
> @@ -11,3 +11,5 @@
>  / {
>  	barebox,deep-probe;
>  };
> +
> +/delete-node/ &{/memory@40000000};


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