diff options
Diffstat (limited to 'drivers/staging/nvec/nvec_power.c')
| -rw-r--r-- | drivers/staging/nvec/nvec_power.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/staging/nvec/nvec_power.c b/drivers/staging/nvec/nvec_power.c index dfa966f6189d..cc8ccd75e7f4 100644 --- a/drivers/staging/nvec/nvec_power.c +++ b/drivers/staging/nvec/nvec_power.c @@ -371,10 +371,13 @@ static void nvec_power_poll(struct work_struct *work) static int __devinit nvec_power_probe(struct platform_device *pdev) { struct power_supply *psy; - struct nvec_power *power = - kzalloc(sizeof(struct nvec_power), GFP_NOWAIT); + struct nvec_power *power; struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent); + power = devm_kzalloc(&pdev->dev, sizeof(struct nvec_power), GFP_NOWAIT); + if (power == NULL) + return -ENOMEM; + dev_set_drvdata(&pdev->dev, power); power->nvec = nvec; @@ -393,7 +396,6 @@ static int __devinit nvec_power_probe(struct platform_device *pdev) power->notifier.notifier_call = nvec_power_bat_notifier; break; default: - kfree(power); return -ENODEV; } @@ -405,20 +407,32 @@ static int __devinit nvec_power_probe(struct platform_device *pdev) return power_supply_register(&pdev->dev, psy); } +static int __devexit nvec_power_remove(struct platform_device *pdev) +{ + struct nvec_power *power = platform_get_drvdata(pdev); + + cancel_delayed_work_sync(&power->poller); + switch (pdev->id) { + case AC: + power_supply_unregister(&nvec_psy); + break; + case BAT: + power_supply_unregister(&nvec_bat_psy); + } + + return 0; +} + static struct platform_driver nvec_power_driver = { .probe = nvec_power_probe, + .remove = __devexit_p(nvec_power_remove), .driver = { .name = "nvec-power", .owner = THIS_MODULE, } }; -static int __init nvec_power_init(void) -{ - return platform_driver_register(&nvec_power_driver); -} - -module_init(nvec_power_init); +module_platform_driver(nvec_power_driver); MODULE_AUTHOR("Ilya Petrov <ilya.muromec@gmail.com>"); MODULE_LICENSE("GPL"); |