diff options
Diffstat (limited to 'drivers/power/max8903_charger.c')
| -rw-r--r-- | drivers/power/max8903_charger.c | 41 |
1 files changed, 15 insertions, 26 deletions
diff --git a/drivers/power/max8903_charger.c b/drivers/power/max8903_charger.c index 33ff0e37809..08f0d7909b6 100644 --- a/drivers/power/max8903_charger.c +++ b/drivers/power/max8903_charger.c @@ -22,13 +22,14 @@ #include <linux/gpio.h> #include <linux/interrupt.h> +#include <linux/module.h> #include <linux/slab.h> #include <linux/power_supply.h> #include <linux/platform_device.h> #include <linux/power/max8903_charger.h> struct max8903_data { - struct max8903_pdata *pdata; + struct max8903_pdata pdata; struct device *dev; struct power_supply psy; bool fault; @@ -52,8 +53,8 @@ static int max8903_get_property(struct power_supply *psy, switch (psp) { case POWER_SUPPLY_PROP_STATUS: val->intval = POWER_SUPPLY_STATUS_UNKNOWN; - if (data->pdata->chg) { - if (gpio_get_value(data->pdata->chg) == 0) + if (data->pdata.chg) { + if (gpio_get_value(data->pdata.chg) == 0) val->intval = POWER_SUPPLY_STATUS_CHARGING; else if (data->usb_in || data->ta_in) val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; @@ -80,7 +81,7 @@ static int max8903_get_property(struct power_supply *psy, static irqreturn_t max8903_dcin(int irq, void *_data) { struct max8903_data *data = _data; - struct max8903_pdata *pdata = data->pdata; + struct max8903_pdata *pdata = &data->pdata; bool ta_in; enum power_supply_type old_type; @@ -121,7 +122,7 @@ static irqreturn_t max8903_dcin(int irq, void *_data) static irqreturn_t max8903_usbin(int irq, void *_data) { struct max8903_data *data = _data; - struct max8903_pdata *pdata = data->pdata; + struct max8903_pdata *pdata = &data->pdata; bool usb_in; enum power_supply_type old_type; @@ -160,7 +161,7 @@ static irqreturn_t max8903_usbin(int irq, void *_data) static irqreturn_t max8903_fault(int irq, void *_data) { struct max8903_data *data = _data; - struct max8903_pdata *pdata = data->pdata; + struct max8903_pdata *pdata = &data->pdata; bool fault; fault = gpio_get_value(pdata->flt) ? false : true; @@ -178,7 +179,7 @@ static irqreturn_t max8903_fault(int irq, void *_data) return IRQ_HANDLED; } -static __devinit int max8903_probe(struct platform_device *pdev) +static int max8903_probe(struct platform_device *pdev) { struct max8903_data *data; struct device *dev = &pdev->dev; @@ -188,12 +189,12 @@ static __devinit int max8903_probe(struct platform_device *pdev) int ta_in = 0; int usb_in = 0; - data = kzalloc(sizeof(struct max8903_data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct max8903_data), GFP_KERNEL); if (data == NULL) { dev_err(dev, "Cannot allocate memory.\n"); return -ENOMEM; } - data->pdata = pdata; + memcpy(&data->pdata, pdata, sizeof(struct max8903_pdata)); data->dev = dev; platform_set_drvdata(pdev, data); @@ -340,16 +341,15 @@ err_dc_irq: err_psy: power_supply_unregister(&data->psy); err: - kfree(data); return ret; } -static __devexit int max8903_remove(struct platform_device *pdev) +static int max8903_remove(struct platform_device *pdev) { struct max8903_data *data = platform_get_drvdata(pdev); if (data) { - struct max8903_pdata *pdata = data->pdata; + struct max8903_pdata *pdata = &data->pdata; if (pdata->flt) free_irq(gpio_to_irq(pdata->flt), data); @@ -358,7 +358,6 @@ static __devexit int max8903_remove(struct platform_device *pdev) if (pdata->dc_valid) free_irq(gpio_to_irq(pdata->dok), data); power_supply_unregister(&data->psy); - kfree(data); } return 0; @@ -366,26 +365,16 @@ static __devexit int max8903_remove(struct platform_device *pdev) static struct platform_driver max8903_driver = { .probe = max8903_probe, - .remove = __devexit_p(max8903_remove), + .remove = max8903_remove, .driver = { .name = "max8903-charger", .owner = THIS_MODULE, }, }; -static int __init max8903_init(void) -{ - return platform_driver_register(&max8903_driver); -} -module_init(max8903_init); - -static void __exit max8903_exit(void) -{ - platform_driver_unregister(&max8903_driver); -} -module_exit(max8903_exit); +module_platform_driver(max8903_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("MAX8903 Charger Driver"); MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>"); -MODULE_ALIAS("max8903-charger"); +MODULE_ALIAS("platform:max8903-charger"); |