diff options
author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-18 20:11:27 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-18 20:11:27 (GMT) |
commit | 80ae3fa5d6712ef3625eff617f72e190645d6361 (patch) | |
tree | fd9be0ecbb4baa6385aa1a75af7ced5f7d691be4 /drivers/net/wireless/ath/ath9k/main.c | |
parent | 59db5b2b9e0327e545ff5764dadcb26062c2ab1f (diff) | |
parent | 85e2efbb1db9a18d218006706d6e4fbeb0216213 (diff) | |
download | linux-80ae3fa5d6712ef3625eff617f72e190645d6361.tar.xz |
Merge 2.6.38-rc5 into staging-next
This is to resolve a merge conflict with:
drivers/staging/zram/zram_drv.c
as pointed out by Stephen Rothwell
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index c79c97b..da5c645 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -325,6 +325,8 @@ static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int { struct ieee80211_hw *hw = sc->hw; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); struct ath_tx_control txctl; int time_left; @@ -340,14 +342,16 @@ static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int tx_info->control.rates[1].idx = -1; init_completion(&sc->paprd_complete); - sc->paprd_pending = true; txctl.paprd = BIT(chain); - if (ath_tx_start(hw, skb, &txctl) != 0) + + if (ath_tx_start(hw, skb, &txctl) != 0) { + ath_dbg(common, ATH_DBG_XMIT, "PAPRD TX failed\n"); + dev_kfree_skb_any(skb); return false; + } time_left = wait_for_completion_timeout(&sc->paprd_complete, msecs_to_jiffies(ATH_PAPRD_TIMEOUT)); - sc->paprd_pending = false; if (!time_left) ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_CALIBRATE, @@ -953,8 +957,6 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) spin_unlock_bh(&sc->sc_pcu_lock); ath9k_ps_restore(sc); - - ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP); } int ath_reset(struct ath_softc *sc, bool retry_tx) @@ -1309,6 +1311,9 @@ static void ath9k_stop(struct ieee80211_hw *hw) spin_lock_bh(&sc->sc_pcu_lock); + /* prevent tasklets to enable interrupts once we disable them */ + ah->imask &= ~ATH9K_INT_GLOBAL; + /* make sure h/w will not generate any interrupt * before setting the invalid flag. */ ath9k_hw_disable_interrupts(ah); @@ -1326,6 +1331,12 @@ static void ath9k_stop(struct ieee80211_hw *hw) spin_unlock_bh(&sc->sc_pcu_lock); + /* we can now sync irq and kill any running tasklets, since we already + * disabled interrupts and not holding a spin lock */ + synchronize_irq(sc->irq); + tasklet_kill(&sc->intr_tq); + tasklet_kill(&sc->bcon_tasklet); + ath9k_ps_restore(sc); sc->ps_idle = true; |