mac80211: remove rate_control_clear
"Clearing" the rate control algorithm is pointless, none of
the algorithms actually uses this operation and it's not even
invoked properly for all channel switching. Also, there's no
need to since rate control algorithms work per station.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 6afafedd..9ce5359 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -2038,11 +2038,6 @@
ath_rc_node_update(sc->hw, priv_sta);
}
-static void ath_rate_clear(void *priv)
-{
- return;
-}
-
static void *ath_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
struct ath_softc *sc = hw->priv;
@@ -2092,7 +2087,6 @@
.tx_status = ath_tx_status,
.get_rate = ath_get_rate,
.rate_init = ath_rate_init,
- .clear = ath_rate_clear,
.alloc = ath_rate_alloc,
.free = ath_rate_free,
.alloc_sta = ath_rate_alloc_sta,
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index f440ed0..bfeef70 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -355,12 +355,6 @@
return;
}
-static void rs_clear(void *priv)
-{
- return;
-}
-
-
static void *rs_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
{
struct iwl3945_rs_sta *rs_sta;
@@ -784,7 +778,6 @@
.tx_status = rs_tx_status,
.get_rate = rs_get_rate,
.rate_init = rs_rate_init,
- .clear = rs_clear,
.alloc = rs_alloc,
.free = rs_free,
.alloc_sta = rs_alloc_sta,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index f685e5d..6fdb2fb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2393,19 +2393,6 @@
return;
}
-static void rs_clear(void *priv_rate)
-{
-#ifdef CONFIG_IWLWIFI_DEBUG
- struct iwl_priv *priv = (struct iwl_priv *) priv_rate;
-
- IWL_DEBUG_RATE("enter\n");
-
- /* TODO - add rate scale state reset */
-
- IWL_DEBUG_RATE("leave\n");
-#endif /* CONFIG_IWLWIFI_DEBUG */
-}
-
static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta,
void *priv_sta)
{
@@ -2593,7 +2580,6 @@
.tx_status = rs_tx_status,
.get_rate = rs_get_rate,
.rate_init = rs_rate_init,
- .clear = rs_clear,
.alloc = rs_alloc,
.free = rs_free,
.alloc_sta = rs_alloc_sta,
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 3741c0a..e0b1ff9 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1917,7 +1917,6 @@
struct module *module;
const char *name;
void *(*alloc)(struct ieee80211_hw *hw, struct dentry *debugfsdir);
- void (*clear)(void *priv);
void (*free)(void *priv);
void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp);
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index 7c25edf..928da62 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -63,12 +63,6 @@
}
-static inline void rate_control_clear(struct ieee80211_local *local)
-{
- struct rate_control_ref *ref = local->rate_ctrl;
- ref->ops->clear(ref->priv);
-}
-
static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
struct ieee80211_sta *sta,
gfp_t gfp)
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index c10debc..c643e37 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -507,11 +507,6 @@
kfree(mi);
}
-static void
-minstrel_clear(void *priv)
-{
-}
-
static void *
minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
@@ -565,7 +560,6 @@
.tx_status = minstrel_tx_status,
.get_rate = minstrel_get_rate,
.rate_init = minstrel_rate_init,
- .clear = minstrel_clear,
.alloc = minstrel_alloc,
.free = minstrel_free,
.alloc_sta = minstrel_alloc_sta,
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 92caecf..2328ba5 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -446,10 +446,6 @@
kfree(pinfo);
}
-static void rate_control_pid_clear(void *priv)
-{
-}
-
static void *rate_control_pid_alloc_sta(void *priv, struct ieee80211_sta *sta,
gfp_t gfp)
{
@@ -480,7 +476,6 @@
.tx_status = rate_control_pid_tx_status,
.get_rate = rate_control_pid_get_rate,
.rate_init = rate_control_pid_rate_init,
- .clear = rate_control_pid_clear,
.alloc = rate_control_pid_alloc,
.free = rate_control_pid_free,
.alloc_sta = rate_control_pid_alloc_sta,
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ec8b633..0f84131 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -647,8 +647,6 @@
else
ret = ieee80211_hw_config(
local, IEEE80211_CONF_CHANGE_CHANNEL);
-
- rate_control_clear(local);
}
return ret;