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path: root/drivers/rtc/rtc-bfin.c
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Diffstat (limited to 'drivers/rtc/rtc-bfin.c')
-rw-r--r--drivers/rtc/rtc-bfin.c34
1 files changed, 11 insertions, 23 deletions
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index 4ec614b0954d..ad44ec5dc29a 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -352,14 +352,14 @@ static int bfin_rtc_probe(struct platform_device *pdev)
dev_dbg_stamp(dev);
/* Allocate memory for our RTC struct */
- rtc = kzalloc(sizeof(*rtc), GFP_KERNEL);
+ rtc = devm_kzalloc(dev, sizeof(*rtc), GFP_KERNEL);
if (unlikely(!rtc))
return -ENOMEM;
platform_set_drvdata(pdev, rtc);
device_init_wakeup(dev, 1);
/* Register our RTC with the RTC framework */
- rtc->rtc_dev = rtc_device_register(pdev->name, dev, &bfin_rtc_ops,
+ rtc->rtc_dev = devm_rtc_device_register(dev, pdev->name, &bfin_rtc_ops,
THIS_MODULE);
if (unlikely(IS_ERR(rtc->rtc_dev))) {
ret = PTR_ERR(rtc->rtc_dev);
@@ -367,9 +367,10 @@ static int bfin_rtc_probe(struct platform_device *pdev)
}
/* Grab the IRQ and init the hardware */
- ret = request_irq(IRQ_RTC, bfin_rtc_interrupt, 0, pdev->name, dev);
+ ret = devm_request_irq(dev, IRQ_RTC, bfin_rtc_interrupt, 0,
+ pdev->name, dev);
if (unlikely(ret))
- goto err_reg;
+ goto err;
/* sometimes the bootloader touched things, but the write complete was not
* enabled, so let's just do a quick timeout here since the IRQ will not fire ...
*/
@@ -381,32 +382,23 @@ static int bfin_rtc_probe(struct platform_device *pdev)
return 0;
-err_reg:
- rtc_device_unregister(rtc->rtc_dev);
err:
- kfree(rtc);
return ret;
}
static int bfin_rtc_remove(struct platform_device *pdev)
{
- struct bfin_rtc *rtc = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
bfin_rtc_reset(dev, 0);
- free_irq(IRQ_RTC, dev);
- rtc_device_unregister(rtc->rtc_dev);
platform_set_drvdata(pdev, NULL);
- kfree(rtc);
return 0;
}
-#ifdef CONFIG_PM
-static int bfin_rtc_suspend(struct platform_device *pdev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int bfin_rtc_suspend(struct device *dev)
{
- struct device *dev = &pdev->dev;
-
dev_dbg_stamp(dev);
if (device_may_wakeup(dev)) {
@@ -418,10 +410,8 @@ static int bfin_rtc_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
}
-static int bfin_rtc_resume(struct platform_device *pdev)
+static int bfin_rtc_resume(struct device *dev)
{
- struct device *dev = &pdev->dev;
-
dev_dbg_stamp(dev);
if (device_may_wakeup(dev))
@@ -440,20 +430,18 @@ static int bfin_rtc_resume(struct platform_device *pdev)
return 0;
}
-#else
-# define bfin_rtc_suspend NULL
-# define bfin_rtc_resume NULL
#endif
+static SIMPLE_DEV_PM_OPS(bfin_rtc_pm_ops, bfin_rtc_suspend, bfin_rtc_resume);
+
static struct platform_driver bfin_rtc_driver = {
.driver = {
.name = "rtc-bfin",
.owner = THIS_MODULE,
+ .pm = &bfin_rtc_pm_ops,
},
.probe = bfin_rtc_probe,
.remove = bfin_rtc_remove,
- .suspend = bfin_rtc_suspend,
- .resume = bfin_rtc_resume,
};
module_platform_driver(bfin_rtc_driver);
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