diff options
Diffstat (limited to 'package/mac80211/patches/410-ath9k-get-rid-of-unnecessary-setpower-calls.patch')
| -rw-r--r-- | package/mac80211/patches/410-ath9k-get-rid-of-unnecessary-setpower-calls.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/package/mac80211/patches/410-ath9k-get-rid-of-unnecessary-setpower-calls.patch b/package/mac80211/patches/410-ath9k-get-rid-of-unnecessary-setpower-calls.patch new file mode 100644 index 0000000000..4dfaeafbef --- /dev/null +++ b/package/mac80211/patches/410-ath9k-get-rid-of-unnecessary-setpower-calls.patch @@ -0,0 +1,45 @@ +From 349626c9a263b41822a0c5a29061964b4a71ec3f Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Thu, 23 Jul 2009 09:55:52 +0200 +Subject: [PATCH 2/2] ath9k: get rid of unnecessary setpower calls + +We are using setpower routines regardless of the current power mode. +Don't bother the hardware, if it is not necessary. + +Changes-licensed-under: ISC +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + drivers/net/wireless/ath/ath9k/hw.c | 8 ++++++-- + 1 files changed, 6 insertions(+), 2 deletions(-) + +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -475,6 +475,8 @@ static struct ath_hw *ath9k_hw_newstate( + + ah->gbeacon_rate = 0; + ++ ah->power_mode = ATH9K_PM_UNDEFINED; ++ + return ah; + } + +@@ -2749,6 +2751,9 @@ static bool ath9k_hw_setpower_nolock(str + "UNDEFINED" + }; + ++ if (ah->power_mode == mode) ++ return status; ++ + DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s -> %s\n", + modes[ah->power_mode], modes[mode]); + +@@ -2793,8 +2798,7 @@ void ath9k_ps_wakeup(struct ath_softc *s + if (++sc->ps_usecount != 1) + goto unlock; + +- if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE) +- ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE); ++ ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE); + + unlock: + spin_unlock_irqrestore(&sc->sc_pm_lock, flags); |