diff options
| author | Luis R. Rodriguez <lrodriguez@atheros.com> | 2009-09-09 20:29:18 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-10-07 16:39:24 -0400 |
| commit | a91d75aec19d8d23c7c543dd4bc0e394e1d46867 (patch) | |
| tree | 5a15b23eda7b3449a3b055652ed94156f3f2861c /drivers/net/wireless/ath/ath9k/main.c | |
| parent | 21526d57ad98635fe12dc8efe46a3d992439a443 (diff) | |
| download | lwn-a91d75aec19d8d23c7c543dd4bc0e394e1d46867.tar.gz lwn-a91d75aec19d8d23c7c543dd4bc0e394e1d46867.zip | |
ath9k: move ath9k_ps_wakeup() and ath9k_ps_restore() to main.c
These are driver core helpers.
Signed-off-by: Luis R. Rodriguez <lrodriguez@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 | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index fe2888e4b8e9..9f9ac5b52acb 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -243,6 +243,39 @@ static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc, return channel; } +void ath9k_ps_wakeup(struct ath_softc *sc) +{ + unsigned long flags; + + spin_lock_irqsave(&sc->sc_pm_lock, flags); + if (++sc->ps_usecount != 1) + goto unlock; + + ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE); + + unlock: + spin_unlock_irqrestore(&sc->sc_pm_lock, flags); +} + +void ath9k_ps_restore(struct ath_softc *sc) +{ + unsigned long flags; + + spin_lock_irqsave(&sc->sc_pm_lock, flags); + if (--sc->ps_usecount != 0) + goto unlock; + + if (sc->ps_enabled && + !(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON | + SC_OP_WAIT_FOR_CAB | + SC_OP_WAIT_FOR_PSPOLL_DATA | + SC_OP_WAIT_FOR_TX_ACK))) + ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP); + + unlock: + spin_unlock_irqrestore(&sc->sc_pm_lock, flags); +} + /* * Set/change channels. If the channel is really being changed, it's done * by reseting the chip. To accomplish this we must first cleanup any pending |