Commit ac338acf authored by Saravana Kannan's avatar Saravana Kannan Committed by Greg Kroah-Hartman
Browse files

driver core: Add dev_has_sync_state() 



Add an API to check if a device has sync_state support in its driver or
bus.

Signed-off-by: default avatarSaravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20200221080510.197337-3-saravanak@google.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 21eb93f4

include/linux/device.h

+11 −0
Original line number Diff line number Diff line
@@ -798,6 +798,17 @@ static inline struct device_node *dev_of_node(struct device *dev) 
	return dev->of_node;

}



static inline bool dev_has_sync_state(struct device *dev)

{

	if (!dev)

		return false;

	if (dev->driver && dev->driver->sync_state)

		return true;

	if (dev->bus && dev->bus->sync_state)

		return true;

	return false;

}



/*

 * High level routines for use by the bus drivers

 */

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