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

From: Jason-JH Lin (林睿祥)
Date: Mon Sep 25 2023 - 01:08:31 EST


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
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> 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]?

Regards,
Jason-JH.Lin

>
> Best regards,
> Krzysztof
>
>