linux-kernel - Re: [PATCH v11 2/9] remoteproc: k3: Factor out TI-SCI processor control OF get function

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Message-ID: <da62f142-cf93-4d64-bb1e-71fa5270c09a@phytec.de>
Date: Mon, 19 Aug 2024 10:49:37 +0200
From: Wadim Egorov <w.egorov@...tec.de>
To: Andrew Davis <afd@...com>, Bjorn Andersson <andersson@...nel.org>, Mathieu
 Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>, Tero
 Kristo <kristo@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, Hari
 Nagalla <hnagalla@...com>
CC: <linux-remoteproc@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v11 2/9] remoteproc: k3: Factor out TI-SCI processor
 control OF get function



Am 02.08.24 um 17:21 schrieb Andrew Davis:
> Building the TSP structure is common for users of the TI-SCI processor
> control interface. Factor out this function and put it with the rest
> of the TI-SCI processor control functions.
> 
> Signed-off-by: Andrew Davis <afd@...com>
Tested-by: Wadim Egorov <w.egorov@...tec.de>

> ---
>   drivers/remoteproc/ti_k3_dsp_remoteproc.c | 28 +----------------------
>   drivers/remoteproc/ti_k3_r5_remoteproc.c  | 28 +----------------------
>   drivers/remoteproc/ti_sci_proc.h          | 26 +++++++++++++++++++++
>   3 files changed, 28 insertions(+), 54 deletions(-)
> 
> diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
> index a22d41689a7d2..1585769092924 100644
> --- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
> +++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
> @@ -636,32 +636,6 @@ static void k3_dsp_release_tsp(void *data)
>   	ti_sci_proc_release(tsp);
>   }
>   
> -static
> -struct ti_sci_proc *k3_dsp_rproc_of_get_tsp(struct device *dev,
> -					    const struct ti_sci_handle *sci)
> -{
> -	struct ti_sci_proc *tsp;
> -	u32 temp[2];
> -	int ret;
> -
> -	ret = of_property_read_u32_array(dev->of_node, "ti,sci-proc-ids",
> -					 temp, 2);
> -	if (ret < 0)
> -		return ERR_PTR(ret);
> -
> -	tsp = devm_kzalloc(dev, sizeof(*tsp), GFP_KERNEL);
> -	if (!tsp)
> -		return ERR_PTR(-ENOMEM);
> -
> -	tsp->dev = dev;
> -	tsp->sci = sci;
> -	tsp->ops = &sci->ops.proc_ops;
> -	tsp->proc_id = temp[0];
> -	tsp->host_id = temp[1];
> -
> -	return tsp;
> -}
> -
>   static int k3_dsp_rproc_probe(struct platform_device *pdev)
>   {
>   	struct device *dev = &pdev->dev;
> @@ -711,7 +685,7 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
>   		return dev_err_probe(dev, PTR_ERR(kproc->reset),
>   				     "failed to get reset\n");
>   
> -	kproc->tsp = k3_dsp_rproc_of_get_tsp(dev, kproc->ti_sci);
> +	kproc->tsp = ti_sci_proc_of_get_tsp(dev, kproc->ti_sci);
>   	if (IS_ERR(kproc->tsp))
>   		return dev_err_probe(dev, PTR_ERR(kproc->tsp),
>   				     "failed to construct ti-sci proc control\n");
> diff --git a/drivers/remoteproc/ti_k3_r5_remoteproc.c b/drivers/remoteproc/ti_k3_r5_remoteproc.c
> index 39a47540c5900..dd6294ab81e2e 100644
> --- a/drivers/remoteproc/ti_k3_r5_remoteproc.c
> +++ b/drivers/remoteproc/ti_k3_r5_remoteproc.c
> @@ -1533,32 +1533,6 @@ static int k3_r5_core_of_get_sram_memories(struct platform_device *pdev,
>   	return 0;
>   }
>   
> -static
> -struct ti_sci_proc *k3_r5_core_of_get_tsp(struct device *dev,
> -					  const struct ti_sci_handle *sci)
> -{
> -	struct ti_sci_proc *tsp;
> -	u32 temp[2];
> -	int ret;
> -
> -	ret = of_property_read_u32_array(dev_of_node(dev), "ti,sci-proc-ids",
> -					 temp, 2);
> -	if (ret < 0)
> -		return ERR_PTR(ret);
> -
> -	tsp = devm_kzalloc(dev, sizeof(*tsp), GFP_KERNEL);
> -	if (!tsp)
> -		return ERR_PTR(-ENOMEM);
> -
> -	tsp->dev = dev;
> -	tsp->sci = sci;
> -	tsp->ops = &sci->ops.proc_ops;
> -	tsp->proc_id = temp[0];
> -	tsp->host_id = temp[1];
> -
> -	return tsp;
> -}
> -
>   static int k3_r5_core_of_init(struct platform_device *pdev)
>   {
>   	struct device *dev = &pdev->dev;
> @@ -1633,7 +1607,7 @@ static int k3_r5_core_of_init(struct platform_device *pdev)
>   		goto err;
>   	}
>   
> -	core->tsp = k3_r5_core_of_get_tsp(dev, core->ti_sci);
> +	core->tsp = ti_sci_proc_of_get_tsp(dev, core->ti_sci);
>   	if (IS_ERR(core->tsp)) {
>   		ret = PTR_ERR(core->tsp);
>   		dev_err(dev, "failed to construct ti-sci proc control, ret = %d\n",
> diff --git a/drivers/remoteproc/ti_sci_proc.h b/drivers/remoteproc/ti_sci_proc.h
> index 778558abcdcc5..f3911ce75252e 100644
> --- a/drivers/remoteproc/ti_sci_proc.h
> +++ b/drivers/remoteproc/ti_sci_proc.h
> @@ -28,6 +28,32 @@ struct ti_sci_proc {
>   	u8 host_id;
>   };
>   
> +static inline
> +struct ti_sci_proc *ti_sci_proc_of_get_tsp(struct device *dev,
> +					   const struct ti_sci_handle *sci)
> +{
> +	struct ti_sci_proc *tsp;
> +	u32 temp[2];
> +	int ret;
> +
> +	ret = of_property_read_u32_array(dev_of_node(dev), "ti,sci-proc-ids",
> +					 temp, 2);
> +	if (ret < 0)
> +		return ERR_PTR(ret);
> +
> +	tsp = devm_kzalloc(dev, sizeof(*tsp), GFP_KERNEL);
> +	if (!tsp)
> +		return ERR_PTR(-ENOMEM);
> +
> +	tsp->dev = dev;
> +	tsp->sci = sci;
> +	tsp->ops = &sci->ops.proc_ops;
> +	tsp->proc_id = temp[0];
> +	tsp->host_id = temp[1];
> +
> +	return tsp;
> +}
> +
>   static inline int ti_sci_proc_request(struct ti_sci_proc *tsp)
>   {
>   	int ret;