hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Alexandre Belloni 2019-04-30 11:28:19 +02:00
parent e72746e791
commit 3b2dc19ff9
1 changed files with 7 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
drivers/rtc/rtc-jz4740.c
View File

@ -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,