Re: [PATCH 1/1] regulator: new driver for LP8755

[Wanlong Gao <gaowanlong@cn.fujitsu.com>]

<...>
> +
> +static int __devinit lp8755_regulator_init(struct lp8755_chip *pchip)

CONFIG_HOTPLUG is going away; it's already defined to always be 'Y'.
So, please don't use __devinit anymore.
refer to : http://marc.info/?l=linux-i2c&m=135341812915168&w=2

> +{
> +	int ret, icnt, buck_num;
> +	struct lp8755_platform_data *pdata = pchip->pdata;
> +
> +	struct regulator_config rconfig = { };
> +
> +	rconfig.regmap = pchip->regmap;
> +	rconfig.dev = pchip->dev;
> +	rconfig.driver_data = pchip;
<..>
> +}
> +
> +static int __devinit lp8755_int_config(struct lp8755_chip *pchip)

Ditto.

> +{
> +	int ret;
> +	unsigned int regval;
> +
> +	if (pchip->irq == 0) {
> +		dev_warn(pchip->dev, "not use interrupt : %s\n", __func__);
> +		return 0;
> +	}
> +
> +	ret = lp8755_read(pchip, 0x0F, &regval);

> +}
> +
> +static int __devinit lp8755_probe(struct i2c_client *client,

Ditto.

> +				  const struct i2c_device_id *id)
> +{
> +	int ret, icnt;
> +	struct lp8755_chip *pchip;
> +	struct lp8755_platform_data *pdata = client->dev.platform_data;
> +
> +	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
> +		dev_err(&client->dev, "i2c functionality check fail.\n");
> +		return -EOPNOTSUPP;
> +	}
> +
> +	if (pdata == NULL) {
> +		dev_err(&client->dev, "platform data is NULL.\n");
> +		return -ENOMEM;

> +
> +	return ret;
> +}
> +
> +static int __devexit lp8755_remove(struct i2c_client *client)

Ditto.


> +{
> +	int icnt;
> +	struct lp8755_chip *pchip = i2c_get_clientdata(client);
> +
> +	for (icnt = 0; icnt < mphase_buck[pchip->mphase].nreg; icnt++)
<..>
> +static struct i2c_driver lp8755_i2c_driver = {
> +	.driver = {
> +		   .name = LP8755_NAME,
> +		   },
> +	.probe = lp8755_probe,
> +	.remove = __devexit_p(lp8755_remove),

Ditto. remove __devexit_p.


Thanks,
Wanlong Gao