From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Saravana Kannan <saravanak@google.com>
Date: Wed, 13 Nov 2019 22:26:48 -0800
Subject: ANDROID: GKI: driver core: Add dev_has_sync_state()

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

Bug: 144066914
Signed-off-by: Saravana Kannan <saravanak@google.com>
Change-Id: I86b7d241512a366909645736a0b5abc51a11a5bd
---
 include/linux/device.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/linux/device.h b/include/linux/device.h
index d1bcc8f122f6..e7d2b090672c 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1518,6 +1518,17 @@ 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;
+}
+
 void driver_init(void);
 
 /*