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ath9k: add a helper to clean the core driver upon module unload

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The core driver needs to be stopped and then as a last step the
hardware needs to be stopped and its structure free'd. We do this
by moving the core driver cleanup to a new helper ath_clean_core()
and have ath_cleanup() call it. Only as a last step does
ath_cleanup() now free the hw.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2009-10-06 21:19:09 -04:00 committed by John W. Linville
parent 7fda166651
commit 2568835cb4
1 changed files with 11 additions and 2 deletions
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13
drivers/net/wireless/ath/ath9k/main.c
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@ -1313,16 +1313,21 @@ static void ath_start_rfkill_poll(struct ath_softc *sc)
wiphy_rfkill_start_polling(sc->hw->wiphy);
}
static void ath_clean_core(struct ath_softc *sc);
static void ath9k_uninit_hw(struct ath_softc *sc);
void ath_cleanup(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
ath_detach(sc);
ath_clean_core(sc);
free_irq(sc->irq, sc);
ath_bus_cleanup(common);
kfree(sc->sec_wiphy);
ieee80211_free_hw(sc->hw);
ath9k_uninit_hw(sc);
}
static void ath9k_uninit_hw(struct ath_softc *sc)
@ -1336,7 +1341,7 @@ static void ath9k_uninit_hw(struct ath_softc *sc)
sc->sc_ah = NULL;
}
void ath_detach(struct ath_softc *sc)
static void ath_clean_core(struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
struct ath_hw *ah = sc->sc_ah;
@ -1375,7 +1380,11 @@ void ath_detach(struct ath_softc *sc)
if ((sc->btcoex.no_stomp_timer) &&
ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
ath_gen_timer_free(ah, sc->btcoex.no_stomp_timer);
}
void ath_detach(struct ath_softc *sc)
{
ath_clean_core(sc);
ath9k_uninit_hw(sc);
}