diff options
| author | Vivek Natarajan <vivek.natraj@gmail.com> | 2009-01-20 05:47:08 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-01-29 21:01:03 (GMT) |
| commit | 3cbb5dd73697b3f1c677daffe29f00ace22b71e9 (patch) | |
| tree | 39fcb371ef37b9a2a53a4cdf72a8e98c64d9e98e /drivers/net/wireless/ath9k/core.h | |
| parent | c5d0569882b9c264be31dcb0758961bfc479deea (diff) | |
| download | linux-fsl-qoriq-3cbb5dd73697b3f1c677daffe29f00ace22b71e9.tar.xz | |
ath9k: Enable dynamic power save in ath9k.
This patch implements dynamic power save feature for ath9k.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath9k/core.h')
| -rw-r--r-- | drivers/net/wireless/ath9k/core.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index f65933d..0f50767 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -676,6 +676,7 @@ enum PROT_MODE { #define SC_OP_RFKILL_REGISTERED BIT(11) #define SC_OP_RFKILL_SW_BLOCKED BIT(12) #define SC_OP_RFKILL_HW_BLOCKED BIT(13) +#define SC_OP_WAIT_FOR_BEACON BIT(14) struct ath_bus_ops { void (*read_cachesize)(struct ath_softc *sc, int *csz); @@ -709,6 +710,7 @@ struct ath_softc { u32 sc_keymax; DECLARE_BITMAP(sc_keymap, ATH_KEYMAX); u8 sc_splitmic; + atomic_t ps_usecount; enum ath9k_int sc_imask; enum PROT_MODE sc_protmode; enum ath9k_ht_extprotspacing sc_ht_extprotspacing; @@ -777,4 +779,20 @@ static inline int ath_ahb_init(void) { return 0; }; static inline void ath_ahb_exit(void) {}; #endif +static inline void ath9k_ps_wakeup(struct ath_softc *sc) +{ + if (atomic_inc_return(&sc->ps_usecount) == 1) + if (sc->sc_ah->ah_power_mode != ATH9K_PM_AWAKE) { + sc->sc_ah->ah_restore_mode = sc->sc_ah->ah_power_mode; + ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE); + } +} + +static inline void ath9k_ps_restore(struct ath_softc *sc) +{ + if (atomic_dec_and_test(&sc->ps_usecount)) + if (sc->hw->conf.flags & IEEE80211_CONF_PS) + ath9k_hw_setpower(sc->sc_ah, + sc->sc_ah->ah_restore_mode); +} #endif /* CORE_H */ |