linux-kernel - Re: [PATCH v4 4/4] misc: fastrpc: add support for gdsp remoteproc

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Message-ID: <b67baa5a-dab5-4fd4-b789-b1294abcf4bf@oss.qualcomm.com>
Date: Fri, 27 Jun 2025 14:24:31 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Ling Xu <quic_lxu5@...cinc.com>, 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
Cc: 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 v4 4/4] misc: fastrpc: add support for gdsp remoteproc

On 6/27/25 12:33 PM, Ling Xu wrote:
> The fastrpc driver has support for 5 types of remoteprocs. There are
> some products which support GDSP remoteprocs. GDSP is General Purpose
> DSP where tasks can be offloaded. This patch extends the driver to
> support GDSP remoteprocs.
> 
> Signed-off-by: Ling Xu <quic_lxu5@...cinc.com>
> ---
>  drivers/misc/fastrpc.c      | 5 ++++-
>  include/uapi/misc/fastrpc.h | 3 ++-
>  2 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
> index cb9f4be286af..d3d9b9fdbf4c 100644
> --- a/drivers/misc/fastrpc.c
> +++ b/drivers/misc/fastrpc.c
> @@ -2245,6 +2245,8 @@ static int fastrpc_get_domain_id(const char *domain)
>  		return MDSP_DOMAIN_ID;
>  	else if (!strncmp(domain, "sdsp", 4))
>  		return SDSP_DOMAIN_ID;
> +	else if (!strncmp(domain, "gdsp", 4))
> +		return GDSP_DOMAIN_ID;
>  
>  	return -EINVAL;
>  }
> @@ -2319,13 +2321,14 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
>  	case ADSP_DOMAIN_ID:
>  	case MDSP_DOMAIN_ID:
>  	case SDSP_DOMAIN_ID:
> -		/* Unsigned PD offloading is only supported on CDSP*/
> +		/* Unsigned PD offloading is only supported on CDSP and GDSP*/

missing space ^

Konrad