linux-kernel - RE: [PATCH] regulator: act8865: Remove unnecessary *rdev[] from struct act8865

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Date:	Mon, 10 Mar 2014 00:56:21 +0000
From:	"Yang, Wenyou" <Wenyou.Yang@...el.com>
To:	Axel Lin <axel.lin@...ics.com>, Mark Brown <broonie@...nel.org>
CC:	Liam Girdwood <lgirdwood@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] regulator: act8865: Remove unnecessary *rdev[] from
 struct act8865



> -----Original Message-----
> From: Axel Lin [mailto:axel.lin@...ics.com]
> Sent: Saturday, March 08, 2014 9:19 PM
> To: Mark Brown
> Cc: Yang, Wenyou; Liam Girdwood; linux-kernel@...r.kernel.org
> Subject: [PATCH] regulator: act8865: Remove unnecessary *rdev[] from
> struct act8865
> 
> Now we are using devm_regulator_register(), so we don't need the *rdev[]
> array to store return value of devm_regulator_register. Use a *rdev
> variable is enough for checking return status.
> 
> Signed-off-by: Axel Lin <axel.lin@...ics.com>
Acked-by: Wenyou Yang <Wenyou.yang@...el.com>
> ---
>  drivers/regulator/act8865-regulator.c | 13 +++++--------
>  1 file changed, 5 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/regulator/act8865-regulator.c
> b/drivers/regulator/act8865-regulator.c
> index a5ff30c..b92d7dd 100644
> --- a/drivers/regulator/act8865-regulator.c
> +++ b/drivers/regulator/act8865-regulator.c
> @@ -62,7 +62,6 @@
>  #define	ACT8865_VOLTAGE_NUM	64
> 
>  struct act8865 {
> -	struct regulator_dev *rdev[ACT8865_REG_NUM];
>  	struct regmap *regmap;
>  };
> 
> @@ -256,7 +255,7 @@ static inline int act8865_pdata_from_dt(struct
> device *dev,  static int act8865_pmic_probe(struct i2c_client *client,
>  			   const struct i2c_device_id *i2c_id)  {
> -	struct regulator_dev **rdev;
> +	struct regulator_dev *rdev;
>  	struct device *dev = &client->dev;
>  	struct act8865_platform_data *pdata = dev_get_platdata(dev);
>  	struct regulator_config config = { };
> @@ -290,8 +289,6 @@ static int act8865_pmic_probe(struct i2c_client
> *client,
>  	if (!act8865)
>  		return -ENOMEM;
> 
> -	rdev = act8865->rdev;
> -
>  	act8865->regmap = devm_regmap_init_i2c(client,
> &act8865_regmap_config);
>  	if (IS_ERR(act8865->regmap)) {
>  		error = PTR_ERR(act8865->regmap);
> @@ -311,12 +308,12 @@ static int act8865_pmic_probe(struct i2c_client
> *client,
>  		config.driver_data = act8865;
>  		config.regmap = act8865->regmap;
> 
> -		rdev[i] = devm_regulator_register(&client->dev,
> -						&act8865_reg[i], &config);
> -		if (IS_ERR(rdev[i])) {
> +		rdev = devm_regulator_register(&client->dev, &act8865_reg[i],
> +					       &config);
> +		if (IS_ERR(rdev)) {
>  			dev_err(dev, "failed to register %s\n",
>  				act8865_reg[id].name);
> -			return PTR_ERR(rdev[i]);
> +			return PTR_ERR(rdev);
>  		}
>  	}
> 
> --
> 1.8.1.2
> 
>