shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-10 12:57:06 +09:00
Code Issues Packages Projects Releases Wiki Activity

ath9k: Enable TIM timer interrupt only when needed.

Browse Source 
commit 3f7c5c10e9 upstream.

The TIM timer interrupt is enabled even before the ACK of nullqos
is received which is unnecessary.

Also clean up the CONF_PS part of config callback properly for
better readability.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Senthil Balasubramanian
2010-03-11 11:50:54 -08:00
committed by Greg Kroah-Hartman
parent d6c28b2d48
commit 525ad99558
3 changed files with 18 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@@ -368,6 +368,7 @@ void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
u16 tid, u16 *ssn);
void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
void ath9k_enable_ps(struct ath_softc *sc);
/********/
/* VIFs */

25
drivers/net/wireless/ath/ath9k/main.c
View File

@@ -2305,6 +2305,19 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
mutex_unlock(&sc->mutex);
}
void ath9k_enable_ps(struct ath_softc *sc)
{
sc->ps_enabled = true;
if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
sc->imask |= ATH9K_INT_TIM_TIMER;
ath9k_hw_set_interrupts(sc->sc_ah,
sc->imask);
}
}
ath9k_hw_setrxabort(sc->sc_ah, 1);
}
static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
{
struct ath_wiphy *aphy = hw->priv;
@@ -2336,19 +2349,9 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
if (changed & IEEE80211_CONF_CHANGE_PS) {
if (conf->flags & IEEE80211_CONF_PS) {
sc->sc_flags |= SC_OP_PS_ENABLED;
if (!(ah->caps.hw_caps &
ATH9K_HW_CAP_AUTOSLEEP)) {
if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
sc->imask |= ATH9K_INT_TIM_TIMER;
ath9k_hw_set_interrupts(sc->sc_ah,
sc->imask);
}
}
sc->ps_enabled = true;
if ((sc->sc_flags & SC_OP_NULLFUNC_COMPLETED)) {
sc->sc_flags &= ~SC_OP_NULLFUNC_COMPLETED;
sc->ps_enabled = true;
ath9k_hw_setrxabort(sc->sc_ah, 1);
ath9k_enable_ps(sc);
}
} else {
sc->ps_enabled = false;

7
drivers/net/wireless/ath/ath9k/xmit.c
View File

@@ -1979,10 +1979,9 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
if (bf->bf_isnullfunc &&
(ds->ds_txstat.ts_status & ATH9K_TX_ACKED)) {
if ((sc->sc_flags & SC_OP_PS_ENABLED)) {
sc->ps_enabled = true;
ath9k_hw_setrxabort(sc->sc_ah, 1);
} else
if ((sc->sc_flags & SC_OP_PS_ENABLED))
ath9k_enable_ps(sc);
else
sc->sc_flags |= SC_OP_NULLFUNC_COMPLETED;
}