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

From: Wanlong Gao
Date: Mon Dec 03 2012 - 01:26:25 EST


<...>
> +
> +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

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