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