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Re: [Qemu-arm] [PATCH] hw/arm/virt: add DT property /secure-chosen/sdtou
From: |
Jerome Forissier |
Subject: |
Re: [Qemu-arm] [PATCH] hw/arm/virt: add DT property /secure-chosen/sdtout-path being secure UART |
Date: |
Fri, 5 Oct 2018 11:26:50 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
+CC: Rob Herring
On 10/05/2018 11:16 AM, Peter Maydell wrote:
> On 5 October 2018 at 09:07, Jerome Forissier
> <address@hidden> wrote:
>> Bindings for /secure-chosen and /secure-chosen/stdout-path have been
>> proposed 1.5 years ago [1] and implemented in OP-TEE at the same time [2].
>>
>> This patch creates the property when the machine is secure.
>>
>> [1] https://patchwork.kernel.org/patch/9602401/
>> [2] https://github.com/OP-TEE/optee_os/commit/4dc31c52544a
>>
>> Signed-off-by: Jerome Forissier <address@hidden>
>
> The patch seems OK, but it looks like the DT bindings are
> not upstream yet? [*]
No, they're not.
I wouldn't want QEMU to start creating
> bindings until the spec is definitely final.
I understand, but I think we may have a chicken-and-egg problem, because
Rob said he'd like to see more usage of DT in secure world before
merging the bindings ;-)
That being said, I can certainly re-submit the binding to the LKML. Rob,
what do you say?
>
> [*] they're not in
> https://www.kernel.org/doc/Documentation/devicetree/bindings/arm/secure.txt
> anyway; is that the wrong place to look?
>
> thanks
> -- PMM
>
Thanks,
--
Jerome