linux-kernel - Re: [PATCH v4 1/6] pinctrl: berlin: introduce berlin_pinctrl_probe

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Date:	Fri, 9 Oct 2015 11:04:43 +0200
From:	Antoine Tenart <antoine.tenart@...e-electrons.com>
To:	Jisheng Zhang <jszhang@...vell.com>
Cc:	sebastian.hesselbarth@...il.com, linus.walleij@...aro.org,
	antoine.tenart@...e-electrons.com, catalin.marinas@....com,
	will.deacon@....com, mark.rutland@....com, robh+dt@...nel.org,
	pawel.moll@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/6] pinctrl: berlin: introduce
 berlin_pinctrl_probe_regmap()

On Fri, Oct 09, 2015 at 04:17:04PM +0800, Jisheng Zhang wrote:
> This is to prepare for the next berlin4ct support, where we won't use
> simple-mfd any more.
> 
> Signed-off-by: Jisheng Zhang <jszhang@...vell.com>

Acked-by: Antoine Tenart <antoine.tenart@...e-electrons.com>

> ---
>  drivers/pinctrl/berlin/berlin.c | 26 +++++++++++++++++---------
>  drivers/pinctrl/berlin/berlin.h |  4 ++++
>  2 files changed, 21 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/pinctrl/berlin/berlin.c b/drivers/pinctrl/berlin/berlin.c
> index f495806..898afa4 100644
> --- a/drivers/pinctrl/berlin/berlin.c
> +++ b/drivers/pinctrl/berlin/berlin.c
> @@ -292,20 +292,14 @@ static struct pinctrl_desc berlin_pctrl_desc = {
>  	.owner		= THIS_MODULE,
>  };
>  
> -int berlin_pinctrl_probe(struct platform_device *pdev,
> -			 const struct berlin_pinctrl_desc *desc)
> +int berlin_pinctrl_probe_regmap(struct platform_device *pdev,
> +				const struct berlin_pinctrl_desc *desc,
> +				struct regmap *regmap)
>  {
>  	struct device *dev = &pdev->dev;
> -	struct device_node *parent_np = of_get_parent(dev->of_node);
>  	struct berlin_pinctrl *pctrl;
> -	struct regmap *regmap;
>  	int ret;
>  
> -	regmap = syscon_node_to_regmap(parent_np);
> -	of_node_put(parent_np);
> -	if (IS_ERR(regmap))
> -		return PTR_ERR(regmap);
> -
>  	pctrl = devm_kzalloc(dev, sizeof(*pctrl), GFP_KERNEL);
>  	if (!pctrl)
>  		return -ENOMEM;
> @@ -330,3 +324,17 @@ int berlin_pinctrl_probe(struct platform_device *pdev,
>  
>  	return 0;
>  }
> +
> +int berlin_pinctrl_probe(struct platform_device *pdev,
> +			 const struct berlin_pinctrl_desc *desc)
> +{
> +	struct device *dev = &pdev->dev;
> +	struct device_node *parent_np = of_get_parent(dev->of_node);
> +	struct regmap *regmap = syscon_node_to_regmap(parent_np);
> +
> +	of_node_put(parent_np);
> +	if (IS_ERR(regmap))
> +		return PTR_ERR(regmap);
> +
> +	return berlin_pinctrl_probe_regmap(pdev, desc, regmap);
> +}
> diff --git a/drivers/pinctrl/berlin/berlin.h b/drivers/pinctrl/berlin/berlin.h
> index e1aa841..dabbd2a 100644
> --- a/drivers/pinctrl/berlin/berlin.h
> +++ b/drivers/pinctrl/berlin/berlin.h
> @@ -58,4 +58,8 @@ struct berlin_pinctrl_function {
>  int berlin_pinctrl_probe(struct platform_device *pdev,
>  			 const struct berlin_pinctrl_desc *desc);
>  
> +int berlin_pinctrl_probe_regmap(struct platform_device *pdev,
> +				const struct berlin_pinctrl_desc *desc,
> +				struct regmap *regmap);
> +
>  #endif /* __PINCTRL_BERLIN_H */
> -- 
> 2.6.1
> 

-- 
Antoine Ténart, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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