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Re: [RFC PATCH 2/4] pinctrl: pinconf-generic: Add ACPI support

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On Thu, 2016-03-31 at 14:44 +0300, Irina Tirdea wrote:
> Add ACPI support for the generic device tree properties.
> Convert the pinconf generic code to handle both ACPI and
> device tree by using the fwnode_property API. Also include
> renaming device tree references in names of functions and
> structures from 'dt' to 'fwnode'.

This is looks good to me, though few style / minor comments below.

> --- a/drivers/pinctrl/pinconf-generic.c
> +++ b/drivers/pinctrl/pinconf-generic.c
> 

> @@ -175,22 +176,22 @@ static const struct pinconf_generic_params
> dt_params[] = {
>  };
>  
>  /**
> - * parse_dt_cfg() - Parse DT pinconf parameters
> - * @np:	DT node
> + * parse_fwnode_cfg() - Parse FW pinconf parameters
> + * @fw:	FW node

Here and below it should be @fwnode.

> -int pinconf_generic_dt_subnode_to_map(struct pinctrl_dev *pctldev,
> -		struct device_node *np, struct pinctrl_map **map,
> +static int pinconf_generic_fwnode_subnode_to_map(struct pinctrl_dev
> *pctldev,
> +		struct fwnode_handle *fwnode, struct pinctrl_map
> **map,
>  		unsigned *reserved_maps, unsigned *num_maps,
>  		enum pinctrl_map_type type)
>  {
> -	int ret;
> +	int ret, i;

Since you change this line anyway, perhaps move it to be last in the
definition block?

>  	const char *function;
>  	struct device *dev = pctldev->dev;
>  	unsigned long *configs = NULL;
>  	unsigned num_configs = 0;
>  	unsigned reserve, strings_count;
> -	struct property *prop;
> -	const char *group;
> +	const char **groups;
>  	const char *subnode_target_type = "pins";

...to here.

> +#ifdef CONFIG_OF
> +inline int pinconf_generic_parse_dt_config(struct device_node *np,
> +					   struct pinctrl_dev
> *pctldev,
> +					   unsigned long **configs,
> +					   unsigned int *nconfigs)
> +{
> +	return pinconf_generic_parse_fwnode_config(&np->fwnode,
> pctldev,
> +						   configs,
> nconfigs);
> +}

I didn't see any user of this.

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy

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Thread

[RFC PATCH 0/4] Add ACPI support for pinctrl configuration Irina Tirdea <irina.tirdea@intel.com> - 2016-03-31 13:50 +0200
  [RFC PATCH 2/4] pinctrl: pinconf-generic: Add ACPI support Irina Tirdea <irina.tirdea@intel.com> - 2016-03-31 13:50 +0200
    Re: [RFC PATCH 2/4] pinctrl: pinconf-generic: Add ACPI support Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-01 16:10 +0200
  [RFC PATCH 3/4] pinctrl: Add ACPI support Irina Tirdea <irina.tirdea@intel.com> - 2016-03-31 13:50 +0200
    Re: [RFC PATCH 3/4] pinctrl: Add ACPI support Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-01 16:20 +0200

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