diff options
| author | Vivek Natarajan <vnatarajan@atheros.com> | 2009-09-17 09:24:58 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-09-23 11:35:50 -0400 |
| commit | 93b1b37f6a4de8bce17f55d9cfa10ef5c8c04e8a (patch) | |
| tree | 16405891b20c8d73e80812d525ec45a9f71255f5 /drivers/net/wireless/ath/ath9k/main.c | |
| parent | 6170cd5c72399f8536412ac75cba29cddc9919fb (diff) | |
| download | lwn-93b1b37f6a4de8bce17f55d9cfa10ef5c8c04e8a.tar.gz lwn-93b1b37f6a4de8bce17f55d9cfa10ef5c8c04e8a.zip | |
ath9k: Revamp PCIE workarounds
* Disable L1 state ONLY when device is in D3 mode.
* Clear bit 22 of register 0x4004.
* Handle power on/off properly
Not setting the workarounds properly resulted in the
disappearance of the card in certain cases.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: Sujith <Sujith.Manoharan@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 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 3dc7b5a13e64..5055f1842b89 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1131,7 +1131,7 @@ void ath_radio_enable(struct ath_softc *sc) int r; ath9k_ps_wakeup(sc); - ath9k_hw_configpcipowersave(ah, 0); + ath9k_hw_configpcipowersave(ah, 0, 0); if (!ah->curchan) ah->curchan = ath_get_curchannel(sc, sc->hw); @@ -1202,7 +1202,7 @@ void ath_radio_disable(struct ath_softc *sc) spin_unlock_bh(&sc->sc_resetlock); ath9k_hw_phy_disable(ah); - ath9k_hw_configpcipowersave(ah, 1); + ath9k_hw_configpcipowersave(ah, 1, 1); ath9k_ps_restore(sc); ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP); } @@ -1942,7 +1942,7 @@ static int ath9k_start(struct ieee80211_hw *hw) init_channel = ath_get_curchannel(sc, hw); /* Reset SERDES registers */ - ath9k_hw_configpcipowersave(sc->sc_ah, 0); + ath9k_hw_configpcipowersave(sc->sc_ah, 0, 0); /* * The basic interface to setting the hardware in a good @@ -2170,7 +2170,7 @@ static void ath9k_stop(struct ieee80211_hw *hw) /* disable HAL and put h/w to sleep */ ath9k_hw_disable(sc->sc_ah); - ath9k_hw_configpcipowersave(sc->sc_ah, 1); + ath9k_hw_configpcipowersave(sc->sc_ah, 1, 1); ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP); sc->sc_flags |= SC_OP_INVALID; |