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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2019-04-30 11:28:19 +0200
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2019-04-30 11:50:20 +0200
commit3b2dc19ff9a1495cf08752b5a1ba8b986473f39f (patch)
tree501756bf8b35fe93dea170a2d1913f0180062bde /drivers/rtc
parente72746e7912300ca48c427c3614569fcddd2e7f0 (diff)
downloadlinux-3b2dc19ff9a1495cf08752b5a1ba8b986473f39f.tar.bz2
rtc: jz4740: use dev_pm_set_wake_irq() to simplify code
Use dev_pm_set_wake_irq() to set the RTC as a wakeup source for suspend. This allows to remove the whole dev_pm_ops structure. Tested-by: Mathieu Malaterre <malat@debian.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-jz4740.c37
1 files changed, 7 insertions, 30 deletions
diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index 077670ffde01..32e6b6270efd 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c
@@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
+#include <linux/pm_wakeirq.h>
#include <linux/reboot.h>
#include <linux/rtc.h>
#include <linux/slab.h>
@@ -346,6 +347,12 @@ static int jz4740_rtc_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
+ ret = dev_pm_set_wake_irq(&pdev->dev, rtc->irq);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to set wake irq: %d\n", ret);
+ return ret;
+ }
+
rtc->rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(rtc->rtc)) {
ret = PTR_ERR(rtc->rtc);
@@ -403,35 +410,6 @@ static int jz4740_rtc_probe(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM
-static int jz4740_rtc_suspend(struct device *dev)
-{
- struct jz4740_rtc *rtc = dev_get_drvdata(dev);
-
- if (device_may_wakeup(dev))
- enable_irq_wake(rtc->irq);
- return 0;
-}
-
-static int jz4740_rtc_resume(struct device *dev)
-{
- struct jz4740_rtc *rtc = dev_get_drvdata(dev);
-
- if (device_may_wakeup(dev))
- disable_irq_wake(rtc->irq);
- return 0;
-}
-
-static const struct dev_pm_ops jz4740_pm_ops = {
- .suspend = jz4740_rtc_suspend,
- .resume = jz4740_rtc_resume,
-};
-#define JZ4740_RTC_PM_OPS (&jz4740_pm_ops)
-
-#else
-#define JZ4740_RTC_PM_OPS NULL
-#endif /* CONFIG_PM */
-
static const struct platform_device_id jz4740_rtc_ids[] = {
{ "jz4740-rtc", ID_JZ4740 },
{ "jz4780-rtc", ID_JZ4780 },
@@ -443,7 +421,6 @@ static struct platform_driver jz4740_rtc_driver = {
.probe = jz4740_rtc_probe,
.driver = {
.name = "jz4740-rtc",
- .pm = JZ4740_RTC_PM_OPS,
.of_match_table = of_match_ptr(jz4740_rtc_of_match),
},
.id_table = jz4740_rtc_ids,