diff options
| author | Vivek Natarajan <vnatarajan@atheros.com> | 2011-01-27 14:45:08 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-01-28 15:44:28 -0500 |
| commit | 181fb18daaf88a20175b0da70024563b0b7c0666 (patch) | |
| tree | 2b3c3d8ff01e37880027d25c1b67579bba68e797 /drivers/net/wireless/ath/ath9k/main.c | |
| parent | b141581923ab4904052174e3b4eb17cc3ce8632c (diff) | |
| download | lwn-181fb18daaf88a20175b0da70024563b0b7c0666.tar.gz lwn-181fb18daaf88a20175b0da70024563b0b7c0666.zip | |
ath9k: Fix a PLL hang issue observed with AR9485.
When this PLL hang issue is seen, both Rx and Tx fail to work.
The sqsum_dvc needs to be below 2000 for a good chip. During
this issue the sqsum_dvc value is beyond 80000 and only a
full reset can solve this problem.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 23c016a81bcf..0663a32d81d2 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -230,6 +230,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, cancel_work_sync(&sc->paprd_work); cancel_work_sync(&sc->hw_check_work); cancel_delayed_work_sync(&sc->tx_complete_work); + cancel_delayed_work_sync(&sc->hw_pll_work); ath9k_ps_wakeup(sc); @@ -290,6 +291,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, if (sc->sc_flags & SC_OP_BEACONS) ath_beacon_config(sc, NULL); ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); + ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/2); ath_start_ani(common); } @@ -1263,6 +1265,7 @@ static void ath9k_stop(struct ieee80211_hw *hw) cancel_delayed_work_sync(&sc->ath_led_blink_work); cancel_delayed_work_sync(&sc->tx_complete_work); + cancel_delayed_work_sync(&sc->hw_pll_work); cancel_work_sync(&sc->paprd_work); cancel_work_sync(&sc->hw_check_work); |