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

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Message-ID: <0435af95-a3bc-4ec7-b07b-bdec42f25c56@vaisala.com>
Date: Mon, 15 Dec 2025 17:43:52 +0200
From: Tomas Melin <tomas.melin@...sala.com>
To: Michal Simek <michal.simek@....com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "arm64: zynqmp: Add an OP-TEE node to the device
 tree"

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.

thanks,
Tomas


> 
> Thanks,
> Michal