Re: [PATCH 03/15] soc: mailbox: Add SPR definition for GCE

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On 25/09/2023 07:08, Jason-JH Lin (林睿祥) wrote:
> Hi Krzysztof,
> 
> Thanks for the reviews.
> 
> On Sat, 2023-09-23 at 20:02 +0200, Krzysztof Kozlowski wrote:
>>  	 
>> External email : Please do not click links or open attachments until
>> you have verified the sender or the content.
>>  On 18/09/2023 21:21, Jason-JH.Lin wrote:
>>> GCE has specific purpose registers, abbreviated as SPR.
>>> Client can us SPR to store data or programs.
>>>
>>> In CMDQ driver, it allows client to STORE or LOAD data into SPR.
>>> The value stored in SPR will be cleared after reset GCE HW thread.
>>>
>>> There are 4 SPR (register index 0 - 3) in every GCE HW thread.
>>> SPR is thread-independent and HW secure protected.
>>>
>>> Signed-off-by: Jason-JH.Lin <jason-jh.lin@xxxxxxxxxxxx>
>>> ---
>>>  include/linux/soc/mediatek/mtk-cmdq.h | 5 +++++
>>
>> There is no user of this... Why do you add unused defines?
> 
> It'll be used in cmdq_sec_insert_backup_cookie() at [PATCH 10/15].
> Should I merge this patch into [PATCH 10/15]?

Yes, because what is the purpose of adding unused defines? I asked
before and did not get answer...

Best regards,
Krzysztof




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