Re: [PATCH] arm64: dts: ti: Rename DM firmware reserved memory nodes

[Paresh Bhagat]

Hi Markus,


On 01/07/26 18:20, Markus Schneider-Pargmann wrote:
> Hi Paresh,
>
> On Tue Jun 30, 2026 at 5:09 PM CEST, Paresh Bhagat wrote:
> > Rename DM reserved memory nodes for K3 devices.
> >
> > Example:
> > memory@xxxxxxxx -> to dm@xxxxxxxx
> >
> > This allows U-Boot to identify and resize these regions using
> > fdt_fixup_reserved_memory() as done for TFA and optee.
> How will this work for the updated detailed layout bindings that got
> merged here:
>
>    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=91ddd97e1bb26937a5c15fb51ec8f6b65dbe94b8


Thanks for pointing me to the binding update. Should have checked it 
earlier.


> This splits up your one memory region into several memory regions. Here
> is one patch that uses that new memory region:
>
>    https://lore.kernel.org/all/20260701-topic-am62a-ioddr-dt-v6-19-v7-9-e9db8b16821a@xxxxxxxxxxxx/
>
> This basically breaks up the one memory region into several regions.
> Wouldn't this break the fdt_fixup_reserved_memory() that you are trying
> to merge into u-boot and make this patch unnecessary?


Given that you are consolidating the memory regions and implementing the 
new layout, I will wait for your series to be merged first.


> Best
> Markus