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Subject[PATCH] rtc-cmos: fix suspend/resume
Date
From: Paul Fox <pgf@laptop.org>

rtc-cmos was setting suspend/resume hooks at the device_driver level.
However, the platform bus code (drivers/base/platform.c) only looks
for resume hooks at the dev_pm_ops level, or within the platform_driver.

Switch rtc_cmos to use dev_pm_ops so that suspend/resume code is
executed again.

Signed-off-by: Paul Fox <pgf@laptop.org>
Signed-off-by: Daniel Drake <dsd@laptop.org>
---
drivers/rtc/rtc-cmos.c | 14 +++++++++-----
1 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 5856167..dfa5547 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -850,7 +850,7 @@ static void __exit cmos_do_remove(struct device *dev)

#ifdef CONFIG_PM

-static int cmos_suspend(struct device *dev, pm_message_t mesg)
+static int cmos_suspend(struct device *dev)
{
struct cmos_rtc *cmos = dev_get_drvdata(dev);
unsigned char tmp;
@@ -898,7 +898,7 @@ static int cmos_suspend(struct device *dev, pm_message_t mesg)
*/
static inline int cmos_poweroff(struct device *dev)
{
- return cmos_suspend(dev, PMSG_HIBERNATE);
+ return cmos_suspend(dev);
}

static int cmos_resume(struct device *dev)
@@ -1077,7 +1077,7 @@ static void __exit cmos_pnp_remove(struct pnp_dev *pnp)

static int cmos_pnp_suspend(struct pnp_dev *pnp, pm_message_t mesg)
{
- return cmos_suspend(&pnp->dev, mesg);
+ return cmos_suspend(&pnp->dev);
}

static int cmos_pnp_resume(struct pnp_dev *pnp)
@@ -1152,13 +1152,17 @@ static void cmos_platform_shutdown(struct platform_device *pdev)
/* work with hotplug and coldplug */
MODULE_ALIAS("platform:rtc_cmos");

+static struct dev_pm_ops cmos_pm_ops = {
+ .suspend = cmos_suspend,
+ .resume = cmos_resume,
+};
+
static struct platform_driver cmos_platform_driver = {
.remove = __exit_p(cmos_platform_remove),
.shutdown = cmos_platform_shutdown,
.driver = {
.name = (char *) driver_name,
- .suspend = cmos_suspend,
- .resume = cmos_resume,
+ .pm = &cmos_pm_ops,
}
};

--
1.7.3.3


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