rt2x00: Remove DRIVER_SUPPORT_WATCHDOG flag

We can simply check if the driver registered the watchdog callback.
There's no need to have an additional flag for that.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 979fe65..d9e6cec 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1796,7 +1796,6 @@
 		__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
 		__set_bit(DRIVER_REQUIRE_COPY_IV, &rt2x00dev->flags);
 	}
-	__set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags);
 	__set_bit(DRIVER_REQUIRE_SW_SEQNO, &rt2x00dev->flags);
 
 	/*
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 4e36865..1c99a4f 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -564,7 +564,6 @@
 	if (!modparam_nohwcrypt)
 		__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
 	__set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags);
-	__set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags);
 	__set_bit(DRIVER_REQUIRE_HT_TX_DESC, &rt2x00dev->flags);
 
 	/*
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index a3940d7..60b1cb0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -674,7 +674,6 @@
 	DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL,
 	DRIVER_SUPPORT_PRE_TBTT_INTERRUPT,
 	DRIVER_SUPPORT_LINK_TUNING,
-	DRIVER_SUPPORT_WATCHDOG,
 
 	/*
 	 * Driver configuration
diff --git a/drivers/net/wireless/rt2x00/rt2x00link.c b/drivers/net/wireless/rt2x00/rt2x00link.c
index c975b0a..fc8cee9 100644
--- a/drivers/net/wireless/rt2x00/rt2x00link.c
+++ b/drivers/net/wireless/rt2x00/rt2x00link.c
@@ -413,12 +413,11 @@
 {
 	struct link *link = &rt2x00dev->link;
 
-	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) ||
-	    !test_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags))
-		return;
-
-	ieee80211_queue_delayed_work(rt2x00dev->hw,
-				     &link->watchdog_work, WATCHDOG_INTERVAL);
+	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) &&
+	    rt2x00dev->ops->lib->watchdog)
+		ieee80211_queue_delayed_work(rt2x00dev->hw,
+					     &link->watchdog_work,
+					     WATCHDOG_INTERVAL);
 }
 
 void rt2x00link_stop_watchdog(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 02f1148..149e4f9 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2209,7 +2209,6 @@
 	if (!modparam_nohwcrypt)
 		__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
 	__set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags);
-	__set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags);
 
 	/*
 	 * Set the rssi offset.