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ath9k: Enable TSF Out of Range Interrupt

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This patch lays the groundwork for handling TSF Out of Range
interrupt, which will be used for power save later on.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith
2009-02-12 10:06:47 +05:30
committed by John W. Linville
parent 06d0f0663e
commit 4af9cf4fda
5 changed files with 27 additions and 7 deletions
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15
drivers/net/wireless/ath9k/main.c
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@@ -574,6 +574,10 @@ irqreturn_t ath_isr(int irq, void *dev)
sc->sc_flags |= SC_OP_WAIT_FOR_BEACON;
}
}
if (status & ATH9K_INT_TSFOOR) {
/* FIXME: Handle this interrupt for power save */
sched = true;
}
}
} while (0);
@@ -2165,10 +2169,13 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
* Enable MIB interrupts when there are hardware phy counters.
* Note we only do this (at the moment) for station mode.
*/
if (ath9k_hw_phycounters(sc->sc_ah) &&
((conf->type == NL80211_IFTYPE_STATION) ||
(conf->type == NL80211_IFTYPE_ADHOC)))
sc->imask |= ATH9K_INT_MIB;
if ((conf->type == NL80211_IFTYPE_STATION) ||
(conf->type == NL80211_IFTYPE_ADHOC)) {
if (ath9k_hw_phycounters(sc->sc_ah))
sc->imask |= ATH9K_INT_MIB;
sc->imask |= ATH9K_INT_TSFOOR;
}
/*
* Some hardware processes the TIM IE and fires an
* interrupt when the TIM bit is set. For hardware