From 1850d0350d3af11514744961d827a8b9facdaf00 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Thu, 7 Jun 2012 15:58:32 +0200
Subject: [PATCH] device: make device_set_disabled inline, add
 device_set_deferred

---
 device.c | 25 ++++++++++++-------------
 device.h | 17 ++++++++++++++++-
 2 files changed, 28 insertions(+), 14 deletions(-)

diff --git a/device.c b/device.c
index 9dcd29a..7958fed 100644
--- a/device.c
+++ b/device.c
@@ -452,26 +452,25 @@ static void __device_set_present(struct device *dev, bool state)
 	device_broadcast_event(dev, state ? DEV_EVENT_ADD : DEV_EVENT_REMOVE);
 }
 
-void device_set_present(struct device *dev, bool state)
+void
+device_refresh_present(struct device *dev)
 {
-	if (dev->sys_present == state)
-		return;
+	bool state = dev->sys_present;
 
-	dev->sys_present = state;
-	D(DEVICE, "%s '%s' %s present\n", dev->type->name, dev->ifname, state ? "is now" : "is no longer" );
-
-	if (state && dev->disabled)
-		return;
+	if (dev->disabled || dev->deferred)
+		state = false;
 
 	__device_set_present(dev, state);
 }
 
-void
-device_set_disabled(struct device *dev, bool value)
+void device_set_present(struct device *dev, bool state)
 {
-	dev->disabled = value;
-	if (dev->sys_present)
-		__device_set_present(dev, !value);
+	if (dev->sys_present == state)
+		return;
+
+	D(DEVICE, "%s '%s' %s present\n", dev->type->name, dev->ifname, state ? "is now" : "is no longer" );
+	dev->sys_present = state;
+	device_refresh_present(dev);
 }
 
 void device_add_user(struct device_user *dep, struct device *dev)
diff --git a/device.h b/device.h
index d41042b..c76c472 100644
--- a/device.h
+++ b/device.h
@@ -115,6 +115,7 @@ struct device {
 	int active;
 	bool external;
 	bool disabled;
+	bool deferred;
 
 	bool current_config;
 	bool default_config;
@@ -164,7 +165,7 @@ void device_add_user(struct device_user *dep, struct device *iface);
 void device_remove_user(struct device_user *dep);
 
 void device_set_present(struct device *dev, bool state);
-void device_set_disabled(struct device *dev, bool value);
+void device_refresh_present(struct device *dev);
 int device_claim(struct device_user *dep);
 void device_release(struct device_user *dep);
 int device_check_state(struct device *dev);
@@ -176,4 +177,18 @@ void device_free_unused(struct device *dev);
 struct device *get_vlan_device_chain(const char *ifname, bool create);
 void alias_notify_device(const char *name, struct device *dev);
 
+static inline void
+device_set_deferred(struct device *dev, bool value)
+{
+	dev->deferred = value;
+	device_refresh_present(dev);
+}
+
+static inline void
+device_set_disabled(struct device *dev, bool value)
+{
+	dev->disabled = value;
+	device_refresh_present(dev);
+}
+
 #endif
-- 
2.25.1