rt2x00: Remove reset_tsf()

Specifications indicate the TSF registers are read-only,
so there is no point in writing 0 to those registers.

As far as I know there isn't another way to reset the
TSF registers. So removing these callbacks will notify
mac80211 about the lack of support.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 0 insertions, 9 deletions

diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index c3d4e9307785..c56540602ad6 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1972,14 +1972,6 @@ static u64 rt73usb_get_tsf(struct ieee80211_hw *hw)
 #define rt73usb_get_tsf NULL
 #endif
 
-static void rt73usb_reset_tsf(struct ieee80211_hw *hw)
-{
-        struct rt2x00_dev *rt2x00dev = hw->priv;
-
-        rt73usb_register_write(rt2x00dev, TXRX_CSR12, 0);
-        rt73usb_register_write(rt2x00dev, TXRX_CSR13, 0);
-}
-
 static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
                                  struct ieee80211_tx_control *control)
 {
@@ -2047,7 +2039,6 @@ static const struct ieee80211_ops rt73usb_mac80211_ops = {
         .conf_tx                = rt2x00mac_conf_tx,
         .get_tx_stats           = rt2x00mac_get_tx_stats,
         .get_tsf                = rt73usb_get_tsf,
-        .reset_tsf              = rt73usb_reset_tsf,
         .beacon_update          = rt73usb_beacon_update,
 };