diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt73usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 029be3c6c030..330353ec5c96 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, ®); - rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, conf->sync); - rt2x00_set_field32(®, 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(®, TXRX_CSR9_TSF_TICKING, 1); - rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); rt2x00_set_field32(®, 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, ®); + rt2x00_set_field32(®, 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(®, 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, |