lkml.org 
[lkml]   [2019]   [Apr]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 5/7] rtc: jz4740: use dev_pm_set_wake_irq() to simplify code
Date
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>
---
drivers/rtc/rtc-jz4740.c | 37 +++++++------------------------------
1 file 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,
--
2.20.1
\
 
 \ /
  Last update: 2019-04-30 11:28    [W:0.054 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site