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

["Sascha Hauer" <s.hauer@pengutronix.de>]

On 2026-06-12 16:15, Ahmad Fatoum wrote:
> 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.

This is upstream as e3b5c9b604 ("ARM: dts: i.MX8MP: remove memory node")

Fixed while applying.

> 
> > 
> > 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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> 

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