linux-kernel - Re: [PATCH] remoteproc: ingenic: Add module parameter 'auto

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Date:   Tue, 26 Jan 2021 15:50:15 -0700
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>, od@...c.me,
        linux-mips@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] remoteproc: ingenic: Add module parameter 'auto_boot'

On Sat, Jan 23, 2021 at 02:29:56PM +0000, Paul Cercueil wrote:
> Add a 'auto_boot' module parameter that instructs the remoteproc driver
> whether or not it should auto-boot the remote processor, which will
> default to "false", since the VPU in Ingenic SoCs does not really have
> any predetermined function.
> 
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> ---
>  drivers/remoteproc/ingenic_rproc.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/remoteproc/ingenic_rproc.c b/drivers/remoteproc/ingenic_rproc.c
> index 26e19e6143b7..e2618c36eaab 100644
> --- a/drivers/remoteproc/ingenic_rproc.c
> +++ b/drivers/remoteproc/ingenic_rproc.c
> @@ -27,6 +27,11 @@
>  #define AUX_CTRL_NMI		BIT(1)
>  #define AUX_CTRL_SW_RESET	BIT(0)
>  
> +static bool auto_boot;
> +module_param(auto_boot, bool, 0400);
> +MODULE_PARM_DESC(auto_boot,
> +		 "Auto-boot the remote processor [default=false]");
> +
>  struct vpu_mem_map {
>  	const char *name;
>  	unsigned int da;
> @@ -172,6 +177,8 @@ static int ingenic_rproc_probe(struct platform_device *pdev)
>  	if (!rproc)
>  		return -ENOMEM;
>  
> +	rproc->auto_boot = auto_boot;
> +

Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>

>  	vpu = rproc->priv;
>  	vpu->dev = &pdev->dev;
>  	platform_set_drvdata(pdev, vpu);
> -- 
> 2.29.2
>