linux-kernel - Re: [PATCH] remoteproc: imx_dsp_rproc: Make rsc

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Date:   Wed, 13 Apr 2022 11:59:59 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Daniel Baluta <daniel.baluta@....nxp.com>
Cc:     linux-remoteproc@...r.kernel.org, bjorn.andersson@...aro.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, linux-kernel@...r.kernel.org,
        shengjiu.wang@....com, daniel.baluta@...il.com,
        Daniel Baluta <daniel.baluta@....com>
Subject: Re: [PATCH] remoteproc: imx_dsp_rproc: Make rsc_table optional

Hi Daniel,

On Thu, Mar 31, 2022 at 01:32:37PM +0300, Daniel Baluta wrote:
> From: Daniel Baluta <daniel.baluta@....com>
> 
> There are cases when we want to test a simple "hello world"
> app on the DSP and we do not need a resource table.
> 
> remoteproc core allows us having an optional rsc_table.
> 
> Signed-off-by: Daniel Baluta <daniel.baluta@....com>
> ---
>  drivers/remoteproc/imx_dsp_rproc.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
> index 2abee78df96e..987ab1add761 100644
> --- a/drivers/remoteproc/imx_dsp_rproc.c
> +++ b/drivers/remoteproc/imx_dsp_rproc.c
> @@ -802,6 +802,14 @@ static void imx_dsp_rproc_kick(struct rproc *rproc, int vqid)
>  		dev_err(dev, "%s: failed (%d, err:%d)\n", __func__, vqid, err);
>  }
>  
> +static int imx_dsp_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
> +{
> +	if (rproc_elf_load_rsc_table(rproc, fw))
> +		dev_warn(&rproc->dev, "no resource table found for this firmware\n");
> +
> +	return 0;
> +}
> +
>  static const struct rproc_ops imx_dsp_rproc_ops = {
>  	.prepare	= imx_dsp_rproc_prepare,
>  	.unprepare	= imx_dsp_rproc_unprepare,
> @@ -809,7 +817,7 @@ static const struct rproc_ops imx_dsp_rproc_ops = {
>  	.stop		= imx_dsp_rproc_stop,
>  	.kick		= imx_dsp_rproc_kick,
>  	.load		= imx_dsp_rproc_elf_load_segments,
> -	.parse_fw	= rproc_elf_load_rsc_table,
> +	.parse_fw	= imx_dsp_rproc_parse_fw,

Applied.

Thanks,
Mathieu

>  	.sanity_check	= rproc_elf_sanity_check,
>  	.get_boot_addr	= rproc_elf_get_boot_addr,
>  };
> -- 
> 2.27.0
>