static int __devinit max77686_rtc_probe(struct platform_device *pdev)
{
struct max77686_dev *max77686 = dev_get_drvdata(pdev->dev.parent);
struct max77686_platform_data *pdata = dev_get_platdata(max77686->dev);
struct max77686_rtc_info *info;
int ret;
if (!pdata) {
dev_err(pdev->dev.parent, "RTC: No platform data supplied.\n");
return -ENODEV;
}
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
mutex_init(&info->lock);
info->dev = &pdev->dev;
info->max77686 = max77686;
info->rtc = max77686->rtc;
info->irq = max77686->irq_base + MAX77686_RTCIRQ_RTCA1;
platform_set_drvdata(pdev, info);
ret = max77686_rtc_init_reg(info, pdata);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to initialize RTC reg:%d\n", ret);
goto err_init_reg;
}
if (pdata->wtsr_smpl)
max77686_rtc_enable_wtsr_smpl(info, pdata);
device_init_wakeup(&pdev->dev, 1);
ret = request_threaded_irq(info->irq, NULL, max77686_rtc_alarm_irq, 0,
"rtc-alarm0", info);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
info->irq, ret);
goto err_request_irq;
}
disable_irq(info->irq);
disable_irq(info->irq);
info->use_irq = true;
info->rtc_dev = rtc_device_register("max77686-rtc", &pdev->dev,
&max77686_rtc_ops, THIS_MODULE);
if (IS_ERR(info->rtc_dev)) {
ret = PTR_ERR(info->rtc_dev);
dev_err(&pdev->dev, "Failed to register RTC device: %d\n", ret);
if (!ret)
ret = -EINVAL;
goto err_rtc_dev_register;
}
enable_irq(info->irq);
return 0;
err_rtc_dev_register:
enable_irq(info->irq);
enable_irq(info->irq);
free_irq(info->irq, info);
err_request_irq:
err_init_reg:
kfree(info);
return ret;
}
static int max77686_rtc_probe(struct platform_device *pdev)
{
struct max77686_dev *max77686 = dev_get_drvdata(pdev->dev.parent);
struct max77686_rtc_info *info;
int ret;
dev_info(&pdev->dev, "%s\n", __func__);
info = devm_kzalloc(&pdev->dev, sizeof(struct max77686_rtc_info),
GFP_KERNEL);
if (!info)
return -ENOMEM;
mutex_init(&info->lock);
info->dev = &pdev->dev;
info->max77686 = max77686;
info->rtc = max77686->rtc;
platform_set_drvdata(pdev, info);
ret = max77686_rtc_init_reg(info);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to initialize RTC reg:%d\n", ret);
goto err_rtc;
}
device_init_wakeup(&pdev->dev, 1);
info->rtc_dev = devm_rtc_device_register(&pdev->dev, "max77686-rtc",
&max77686_rtc_ops, THIS_MODULE);
if (IS_ERR(info->rtc_dev)) {
ret = PTR_ERR(info->rtc_dev);
dev_err(&pdev->dev, "Failed to register RTC device: %d\n", ret);
if (ret == 0)
ret = -EINVAL;
goto err_rtc;
}
if (!max77686->rtc_irq_data) {
ret = -EINVAL;
dev_err(&pdev->dev, "%s: no RTC regmap IRQ chip\n", __func__);
goto err_rtc;
}
info->virq = regmap_irq_get_virq(max77686->rtc_irq_data,
MAX77686_RTCIRQ_RTCA1);
if (info->virq <= 0) {
ret = -ENXIO;
goto err_rtc;
}
ret = devm_request_threaded_irq(&pdev->dev, info->virq, NULL,
max77686_rtc_alarm_irq, 0, "rtc-alarm1", info);
if (ret < 0)
dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
info->virq, ret);
err_rtc:
return ret;
}
