linux-kernel - Re: [PATCH] Revert "arm64: zynqmp: Add an OP-TEE node to the device tree"

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Message-ID: <24e9397f-ddb9-4e6e-aaa8-3f0c0f647019@amd.com>
Date: Tue, 16 Dec 2025 08:12:22 +0100
From: Michal Simek <michal.simek@....com>
To: Tomas Melin <tomas.melin@...sala.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Revert "arm64: zynqmp: Add an OP-TEE node to the device
 tree"



On 12/16/25 08:00, Tomas Melin wrote:
> On 15/12/2025 18:10, Michal Simek wrote:
>>
>>
>> On 12/15/25 16:43, Tomas Melin wrote:
>>> Hi,
>>>
>>> On 15/12/2025 17:21, Michal Simek wrote:
>>>> Hi,
>>>>
>>>> On 12/12/25 13:09, Tomas Melin wrote:
>>>>> Hi,
>>>>>
>>>>> Is there some more specific information I can provide regarding this patch?
>>>>
>>>> I am trying to identify U-Boot code (2026.01-rc4) which does what you have
>>>> described in the commit message but I can't find it out.
>>>> Can you please point me directly to file, line number where that described logic
>>>> is skipped?
>>>
>>> Please check lib/optee/optee.c, in particular lines 128 ->
>>> Target dt being linux kernel devicetree where the reserved-memory nodes
>>> are automatically injected. When node is already there, it bails out early.
>>
>> I don't really mind that's why applied.
> Sorry I didn't really understand, where is it applied?

https://github.com/Xilinx/linux-xlnx/tree/zynqmp/dt

And it is from today also in linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log/arch/arm64/boot/dts/xilinx/zynqmp.dtsi?h=next-20251216

At the end of cycle it will go via soc tree to Linus.

Thanks,
Michal