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rtc: s5m: use devm_i2c_new_dummy_device()

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Use the managed variant of i2c_new_dummy_device() to shrink code and
remove the goto label. We can drop the remove callback now too.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210114102219.23682-3-brgl@bgdev.pl
This commit is contained in:
Bartosz Golaszewski 2021-01-14 11:22:18 +01:00 committed by Alexandre Belloni
parent 1f0cbda3b4
commit 7db7ad0817
1 changed files with 7 additions and 24 deletions
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31
drivers/rtc/rtc-s5m.c
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@ -760,7 +760,8 @@ static int s5m_rtc_probe(struct platform_device *pdev)
return -ENODEV;
}
info->i2c = i2c_new_dummy_device(s5m87xx->i2c->adapter, RTC_I2C_ADDR);
info->i2c = devm_i2c_new_dummy_device(&pdev->dev, s5m87xx->i2c->adapter,
RTC_I2C_ADDR);
if (IS_ERR(info->i2c)) {
dev_err(&pdev->dev, "Failed to allocate I2C for RTC\n");
return PTR_ERR(info->i2c);
@ -771,7 +772,7 @@ static int s5m_rtc_probe(struct platform_device *pdev)
ret = PTR_ERR(info->regmap);
dev_err(&pdev->dev, "Failed to allocate RTC register map: %d\n",
ret);
goto err;
return ret;
}
info->dev = &pdev->dev;
@ -781,10 +782,9 @@ static int s5m_rtc_probe(struct platform_device *pdev)
if (s5m87xx->irq_data) {
info->irq = regmap_irq_get_virq(s5m87xx->irq_data, alarm_irq);
if (info->irq <= 0) {
ret = -EINVAL;
dev_err(&pdev->dev, "Failed to get virtual IRQ %d\n",
alarm_irq);
goto err;
return -EINVAL;
}
}
@ -797,10 +797,8 @@ static int s5m_rtc_probe(struct platform_device *pdev)
info->rtc_dev = devm_rtc_device_register(&pdev->dev, "s5m-rtc",
&s5m_rtc_ops, THIS_MODULE);
if (IS_ERR(info->rtc_dev)) {
ret = PTR_ERR(info->rtc_dev);
goto err;
}
if (IS_ERR(info->rtc_dev))
return PTR_ERR(info->rtc_dev);
if (!info->irq) {
dev_info(&pdev->dev, "Alarm IRQ not available\n");
@ -813,23 +811,9 @@ static int s5m_rtc_probe(struct platform_device *pdev)
if (ret < 0) {
dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
info->irq, ret);
goto err;
return ret;
}
return 0;
err:
i2c_unregister_device(info->i2c);
return ret;
}
static int s5m_rtc_remove(struct platform_device *pdev)
{
struct s5m_rtc_info *info = platform_get_drvdata(pdev);
i2c_unregister_device(info->i2c);
return 0;
}
@ -874,7 +858,6 @@ static struct platform_driver s5m_rtc_driver = {
.pm = &s5m_rtc_pm_ops,
},
.probe = s5m_rtc_probe,
.remove = s5m_rtc_remove,
.id_table = s5m_rtc_id,
};