linux-kernel - Re: [PATCH v7 4/4] misc: fastrpc: add support for gdsp remoteproc

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Message-ID: <lzdhczkz6irj2u2cwxounro3qcmp3glqzswreoqqvxibeeacny@tiohbb3bv4at>
Date: Mon, 14 Jul 2025 12:45:18 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Ling Xu <quic_lxu5@...cinc.com>
Cc: srini@...nel.org, amahesh@....qualcomm.com, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org, andersson@...nel.org,
        konradybcio@...nel.org, arnd@...db.de, gregkh@...uxfoundation.org,
        quic_kuiw@...cinc.com, ekansh.gupta@....qualcomm.com,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 4/4] misc: fastrpc: add support for gdsp remoteproc

On Mon, Jul 14, 2025 at 11:11:33AM +0530, Ling Xu wrote:
> Some platforms (like sa8775p) feature one or more GPDSPs (General
> Purpose DSPs). Similar to other kinds of Hexagon DSPs, they provide
> a FastRPC implementation, allowing code execution in both signed and
> unsigned protection domains. Extend the checks to allow domain names
> starting with "gdsp" (possibly followed by an index).
> 
> Signed-off-by: Ling Xu <quic_lxu5@...cinc.com>
> ---
>  drivers/misc/fastrpc.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry