linux-kernel - Re: [PATCH V2 3/4] remoteproc: imx: move memory parsing to rproc

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Message-ID: <20210407163642.GD418374@xps15>
Date:   Wed, 7 Apr 2021 10:36:42 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     peng.fan@....nxp.com
Cc:     ohad@...ery.com, bjorn.andersson@...aro.org,
        o.rempel@...gutronix.de, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: Re: [PATCH V2 3/4] remoteproc: imx: move memory parsing to rproc_ops

On Tue, Mar 30, 2021 at 01:30:34PM +0800, peng.fan@....nxp.com wrote:
> From: Peng Fan <peng.fan@....com>
> 
> Use the rproc_ops::prepare() hook for doing memory resources
> reallocation when reattach an remote procesor.
> 
> Suggested-by: Mathieu Poirier <mathieu.poirier@...aro.org>
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  drivers/remoteproc/imx_rproc.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
>

Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>
 
> diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
> index b05aae0ad7a2..7cd09971d1a4 100644
> --- a/drivers/remoteproc/imx_rproc.c
> +++ b/drivers/remoteproc/imx_rproc.c
> @@ -317,7 +317,7 @@ static int imx_rproc_mem_release(struct rproc *rproc,
>  	return 0;
>  }
>  
> -static int imx_rproc_parse_memory_regions(struct rproc *rproc)
> +static int imx_rproc_prepare(struct rproc *rproc)
>  {
>  	struct imx_rproc *priv = rproc->priv;
>  	struct device_node *np = priv->dev->of_node;
> @@ -363,10 +363,7 @@ static int imx_rproc_parse_memory_regions(struct rproc *rproc)
>  
>  static int imx_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
>  {
> -	int ret = imx_rproc_parse_memory_regions(rproc);
> -
> -	if (ret)
> -		return ret;
> +	int ret;
>  
>  	ret = rproc_elf_load_rsc_table(rproc, fw);
>  	if (ret)
> @@ -399,6 +396,7 @@ static void imx_rproc_kick(struct rproc *rproc, int vqid)
>  }
>  
>  static const struct rproc_ops imx_rproc_ops = {
> +	.prepare	= imx_rproc_prepare,
>  	.start		= imx_rproc_start,
>  	.stop		= imx_rproc_stop,
>  	.kick		= imx_rproc_kick,
> -- 
> 2.30.0
>