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Subject[PATCH 1/3] PM: wakeup: make device_wakeup_disable return void
Date
The device_wakeup_disable call only returns an error if no dev exists
however there's not much a user can do at that point.
Rather make this function return void.

Signed-off-by: Dhruva Gole <d-gole@ti.com>
---
drivers/base/power/wakeup.c | 11 +++++++----
include/linux/pm_wakeup.h | 5 ++---
2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index a917219feea6..752b417e8129 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -451,16 +451,15 @@ static struct wakeup_source *device_wakeup_detach(struct device *dev)
* Detach the @dev's wakeup source object from it, unregister this wakeup source
* object and destroy it.
*/
-int device_wakeup_disable(struct device *dev)
+void device_wakeup_disable(struct device *dev)
{
struct wakeup_source *ws;

if (!dev || !dev->power.can_wakeup)
- return -EINVAL;
+ return;

ws = device_wakeup_detach(dev);
wakeup_source_unregister(ws);
- return 0;
}
EXPORT_SYMBOL_GPL(device_wakeup_disable);

@@ -502,7 +501,11 @@ EXPORT_SYMBOL_GPL(device_set_wakeup_capable);
*/
int device_set_wakeup_enable(struct device *dev, bool enable)
{
- return enable ? device_wakeup_enable(dev) : device_wakeup_disable(dev);
+ if (enable)
+ return device_wakeup_enable(dev);
+
+ device_wakeup_disable(dev);
+ return 0;
}
EXPORT_SYMBOL_GPL(device_set_wakeup_enable);

diff --git a/include/linux/pm_wakeup.h b/include/linux/pm_wakeup.h
index 6eb9adaef52b..428803eed798 100644
--- a/include/linux/pm_wakeup.h
+++ b/include/linux/pm_wakeup.h
@@ -107,7 +107,7 @@ extern void wakeup_sources_read_unlock(int idx);
extern struct wakeup_source *wakeup_sources_walk_start(void);
extern struct wakeup_source *wakeup_sources_walk_next(struct wakeup_source *ws);
extern int device_wakeup_enable(struct device *dev);
-extern int device_wakeup_disable(struct device *dev);
+extern void device_wakeup_disable(struct device *dev);
extern void device_set_wakeup_capable(struct device *dev, bool capable);
extern int device_set_wakeup_enable(struct device *dev, bool enable);
extern void __pm_stay_awake(struct wakeup_source *ws);
@@ -154,10 +154,9 @@ static inline int device_wakeup_enable(struct device *dev)
return 0;
}

-static inline int device_wakeup_disable(struct device *dev)
+static inline void device_wakeup_disable(struct device *dev)
{
dev->power.should_wakeup = false;
- return 0;
}

static inline int device_set_wakeup_enable(struct device *dev, bool enable)
--
2.34.1

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