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path: root/drivers/rtc/rtc-sa1100.c
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Diffstat (limited to 'drivers/rtc/rtc-sa1100.c')
-rw-r--r--drivers/rtc/rtc-sa1100.c29
1 files changed, 9 insertions, 20 deletions
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 5ec5036df0b..00605601dbf 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -234,14 +234,13 @@ static int sa1100_rtc_probe(struct platform_device *pdev)
if (irq_1hz < 0 || irq_alarm < 0)
return -ENODEV;
- info = kzalloc(sizeof(struct sa1100_rtc), GFP_KERNEL);
+ info = devm_kzalloc(&pdev->dev, sizeof(struct sa1100_rtc), GFP_KERNEL);
if (!info)
return -ENOMEM;
- info->clk = clk_get(&pdev->dev, NULL);
+ info->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(info->clk)) {
dev_err(&pdev->dev, "failed to find rtc clock source\n");
- ret = PTR_ERR(info->clk);
- goto err_clk;
+ return PTR_ERR(info->clk);
}
info->irq_1hz = irq_1hz;
info->irq_alarm = irq_alarm;
@@ -268,8 +267,8 @@ static int sa1100_rtc_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
- rtc = rtc_device_register(pdev->name, &pdev->dev, &sa1100_rtc_ops,
- THIS_MODULE);
+ rtc = devm_rtc_device_register(&pdev->dev, pdev->name, &sa1100_rtc_ops,
+ THIS_MODULE);
if (IS_ERR(rtc)) {
ret = PTR_ERR(rtc);
@@ -306,9 +305,6 @@ err_dev:
clk_disable_unprepare(info->clk);
err_enable_clk:
platform_set_drvdata(pdev, NULL);
- clk_put(info->clk);
-err_clk:
- kfree(info);
return ret;
}
@@ -317,17 +313,14 @@ static int sa1100_rtc_remove(struct platform_device *pdev)
struct sa1100_rtc *info = platform_get_drvdata(pdev);
if (info) {
- rtc_device_unregister(info->rtc);
clk_disable_unprepare(info->clk);
- clk_put(info->clk);
platform_set_drvdata(pdev, NULL);
- kfree(info);
}
return 0;
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int sa1100_rtc_suspend(struct device *dev)
{
struct sa1100_rtc *info = dev_get_drvdata(dev);
@@ -343,13 +336,11 @@ static int sa1100_rtc_resume(struct device *dev)
disable_irq_wake(info->irq_alarm);
return 0;
}
-
-static const struct dev_pm_ops sa1100_rtc_pm_ops = {
- .suspend = sa1100_rtc_suspend,
- .resume = sa1100_rtc_resume,
-};
#endif
+static SIMPLE_DEV_PM_OPS(sa1100_rtc_pm_ops, sa1100_rtc_suspend,
+ sa1100_rtc_resume);
+
#ifdef CONFIG_OF
static struct of_device_id sa1100_rtc_dt_ids[] = {
{ .compatible = "mrvl,sa1100-rtc", },
@@ -364,9 +355,7 @@ static struct platform_driver sa1100_rtc_driver = {
.remove = sa1100_rtc_remove,
.driver = {
.name = "sa1100-rtc",
-#ifdef CONFIG_PM
.pm = &sa1100_rtc_pm_ops,
-#endif
.of_match_table = of_match_ptr(sa1100_rtc_dt_ids),
},
};