[PATCH v2 1/9] PM / core: add helper to return suspend status of a device

[Wolfram Sang]

I2C core would like this to reject transfers on an already suspended
adapter.

Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
 include/linux/device.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/device.h b/include/linux/device.h
index 1b25c7a43f4c..e63d3e06989f 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1138,6 +1138,11 @@ static inline int device_is_registered(struct device *dev)
 	return dev->kobj.state_in_sysfs;
 }
 
+static inline bool device_is_suspended(struct device *dev)
+{
+	return dev->power.is_suspended;
+}
+
 static inline void device_enable_async_suspend(struct device *dev)
 {
 	if (!dev->power.is_prepared)
-- 
2.19.1