commit bc0df75aea666d855c4111003dbbb197460b6642
author Stanislaw Gruszka <sgruszka@redhat.com> Thu Apr 17 11:08:48 2014 +0200
committer John W. Linville <linville@tuxdriver.com> Tue Apr 22 15:06:31 2014 -0400
tree 637c76863f25485a926e9bdedcc2f7d7a152eb64
parent 44ad4663d5916ed03091a1e2d1af8ebb6d92cfac

rt2x00: restore original beaconing state

After changing local per interface beacon setting restore original
global beaconing state.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt2800lib.c

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 41d4a81..c17fcf2 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1005,10 +1005,9 @@
 				   entry->skb->len + padding_len);
 
 	/*
-	 * Enable beaconing again.
+	 * Restore beaconing state.
 	 */
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
-	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
 
 	/*
 	 * Clean up beacon skb.
@@ -1039,13 +1038,14 @@
 void rt2800_clear_beacon(struct queue_entry *entry)
 {
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
-	u32 reg;
+	u32 orig_reg, reg;
 
 	/*
 	 * Disable beaconing while we are reloading the beacon data,
 	 * otherwise we might be sending out invalid data.
 	 */
-	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &orig_reg);
+	reg = orig_reg;
 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 
@@ -1055,10 +1055,9 @@
 	rt2800_clear_beacon_register(rt2x00dev, entry->entry_idx);
 
 	/*
-	 * Enabled beaconing again.
+	 * Restore beaconing state.
 	 */
-	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
-	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
 }
 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
 

drivers/net/wireless/rt2x00/rt61pci.c

diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 2440298..9048a9c 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2031,13 +2031,14 @@
 static void rt61pci_clear_beacon(struct queue_entry *entry)
 {
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
-	u32 reg;
+	u32 orig_reg, reg;
 
 	/*
 	 * Disable beaconing while we are reloading the beacon data,
 	 * otherwise we might be sending out invalid data.
 	 */
-	rt2x00mmio_register_read(rt2x00dev, TXRX_CSR9, &reg);
+	rt2x00mmio_register_read(rt2x00dev, TXRX_CSR9, &orig_reg);
+	reg = orig_reg;
 	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
 	rt2x00mmio_register_write(rt2x00dev, TXRX_CSR9, reg);
 
@@ -2048,10 +2049,9 @@
 				  HW_BEACON_OFFSET(entry->entry_idx), 0);
 
 	/*
-	 * Enable beaconing again.
+	 * Restore global beaconing state.
 	 */
-	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
-	rt2x00mmio_register_write(rt2x00dev, TXRX_CSR9, reg);
+	rt2x00mmio_register_write(rt2x00dev, TXRX_CSR9, orig_reg);
 }
 
 /*

drivers/net/wireless/rt2x00/rt73usb.c

diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index a140170..95724ff 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1597,13 +1597,14 @@
 {
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 	unsigned int beacon_base;
-	u32 reg;
+	u32 orig_reg, reg;
 
 	/*
 	 * Disable beaconing while we are reloading the beacon data,
 	 * otherwise we might be sending out invalid data.
 	 */
-	rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+	rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &orig_reg);
+	reg = orig_reg;
 	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
 	rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
 
@@ -1614,10 +1615,9 @@
 	rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
 
 	/*
-	 * Enable beaconing again.
+	 * Restore beaconing state.
 	 */
-	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
-	rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+	rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, orig_reg);
 }
 
 static int rt73usb_get_tx_data_len(struct queue_entry *entry)