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authorNick Kossifidis <mickflemm@gmail.com>2011-06-02 03:09:48 +0300
committerJohn W. Linville <linville@tuxdriver.com>2011-06-03 14:19:49 -0400
commita99168eece601d2a79ecfcb968ce226f2f30cf98 (patch)
tree01598dfa43a08038f9b33cdae902f71156647471
parentbdf492f502ad4f646e9905db1b89e11822826edd (diff)
downloadblackbird-op-linux-a99168eece601d2a79ecfcb968ce226f2f30cf98.tar.gz
blackbird-op-linux-a99168eece601d2a79ecfcb968ce226f2f30cf98.zip
ath5k: Disable fast channel switching by default
Disable fast channel change by default on AR2413/AR5413 due to some bug reports (it still works for me but it's better to be safe). Add a module parameter "fastchanswitch" in case anyone wants to enable it and play with it. Signed-off-by: Nick Kossifidis <mickflemm@gmail.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/ath5k/base.c11
-rw-r--r--drivers/net/wireless/ath/ath5k/reset.c5
2 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 22047628ccfa..b6c5d3715b96 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -72,6 +72,11 @@ static int modparam_all_channels;
module_param_named(all_channels, modparam_all_channels, bool, S_IRUGO);
MODULE_PARM_DESC(all_channels, "Expose all channels the device can use.");
+static int modparam_fastchanswitch;
+module_param_named(fastchanswitch, modparam_fastchanswitch, bool, S_IRUGO);
+MODULE_PARM_DESC(fastchanswitch, "Enable fast channel switching for AR2413/AR5413 radios.");
+
+
/* Module info */
MODULE_AUTHOR("Jiri Slaby");
MODULE_AUTHOR("Nick Kossifidis");
@@ -2686,6 +2691,7 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
struct ath5k_hw *ah = sc->ah;
struct ath_common *common = ath5k_hw_common(ah);
int ret, ani_mode;
+ bool fast;
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "resetting\n");
@@ -2705,7 +2711,10 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
ath5k_drain_tx_buffs(sc);
if (chan)
sc->curchan = chan;
- ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, chan != NULL,
+
+ fast = ((chan != NULL) && modparam_fastchanswitch) ? 1 : 0;
+
+ ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, fast,
skip_pcu);
if (ret) {
ATH5K_ERR(sc, "can't reset hardware (%d)\n", ret);
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index 3510de2cf622..126a4eab35f3 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -1124,8 +1124,11 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
/* Non fatal, can happen eg.
* on mode change */
ret = 0;
- } else
+ } else {
+ ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_RESET,
+ "fast chan change successful\n");
return 0;
+ }
}
/*
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