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path: root/drivers/net/wireless/rt2x00/rt73usb.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt73usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c42
1 files changed, 28 insertions, 14 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 029be3c..330353e 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -502,26 +502,14 @@ static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
struct rt2x00intf_conf *conf,
const unsigned int flags)
{
- unsigned int beacon_base;
u32 reg;
if (flags & CONFIG_UPDATE_TYPE) {
/*
- * Clear current synchronisation setup.
- * For the Beacon base registers we only need to clear
- * the first byte since that byte contains the VALID and OWNER
- * bits which (when set to 0) will invalidate the entire beacon.
- */
- beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
- rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
-
- /*
* Enable synchronisation.
*/
rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
- rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync);
- rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
}
@@ -1590,8 +1578,6 @@ static void rt73usb_write_beacon(struct queue_entry *entry,
*/
rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
- rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
- rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
@@ -1602,6 +1588,33 @@ static void rt73usb_write_beacon(struct queue_entry *entry,
entry->skb = NULL;
}
+static void rt73usb_clear_beacon(struct queue_entry *entry)
+{
+ struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+ unsigned int beacon_base;
+ u32 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);
+ rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+ rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+
+ /*
+ * Clear beacon.
+ */
+ beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
+ rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
+
+ /*
+ * Enable beaconing again.
+ */
+ rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
+ rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+}
+
static int rt73usb_get_tx_data_len(struct queue_entry *entry)
{
int length;
@@ -2313,6 +2326,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
.flush_queue = rt2x00usb_flush_queue,
.write_tx_desc = rt73usb_write_tx_desc,
.write_beacon = rt73usb_write_beacon,
+ .clear_beacon = rt73usb_clear_beacon,
.get_tx_data_len = rt73usb_get_tx_data_len,
.fill_rxdone = rt73usb_fill_rxdone,
.config_shared_key = rt73usb_config_shared_key,