diff options
Diffstat (limited to 'package/mac80211/patches/406-ath9k-serialize-ath9k_hw_setpower-calls.patch')
-rw-r--r-- | package/mac80211/patches/406-ath9k-serialize-ath9k_hw_setpower-calls.patch | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/package/mac80211/patches/406-ath9k-serialize-ath9k_hw_setpower-calls.patch b/package/mac80211/patches/406-ath9k-serialize-ath9k_hw_setpower-calls.patch deleted file mode 100644 index 45ddf81e5b..0000000000 --- a/package/mac80211/patches/406-ath9k-serialize-ath9k_hw_setpower-calls.patch +++ /dev/null @@ -1,67 +0,0 @@ -From 841c7e339c4775f4cc614c92aaea82f70fcafbdb Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Sun, 21 Jun 2009 16:59:53 +0200 -Subject: [PATCH 1/3] ath9k: serialize ath9k_hw_setpower calls - -Because ath9k_setpower is called from various contexts, we have to -protect it against concurrent calls. - -Changes-licensed-under: ISC -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> ---- - drivers/net/wireless/ath/ath9k/ath9k.h | 1 + - drivers/net/wireless/ath/ath9k/hw.c | 15 ++++++++++++++- - drivers/net/wireless/ath/ath9k/main.c | 1 + - 3 files changed, 16 insertions(+), 1 deletions(-) - ---- a/drivers/net/wireless/ath/ath9k/ath9k.h -+++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -544,6 +544,7 @@ struct ath_softc { - int irq; - spinlock_t sc_resetlock; - spinlock_t sc_serial_rw; -+ spinlock_t sc_pm_lock; - struct mutex mutex; - - u8 curbssid[ETH_ALEN]; ---- a/drivers/net/wireless/ath/ath9k/hw.c -+++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -2738,7 +2738,8 @@ static bool ath9k_hw_set_power_awake(str - return true; - } - --bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode) -+static bool ath9k_hw_setpower_nolock(struct ath_hw *ah, -+ enum ath9k_power_mode mode) - { - int status = true, setChip = true; - static const char *modes[] = { -@@ -2772,6 +2773,18 @@ bool ath9k_hw_setpower(struct ath_hw *ah - return status; - } - -+bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode) -+{ -+ unsigned long flags; -+ bool ret; -+ -+ spin_lock_irqsave(&ah->ah_sc->sc_pm_lock, flags); -+ ret = ath9k_hw_setpower_nolock(ah, mode); -+ spin_unlock_irqrestore(&ah->ah_sc->sc_pm_lock, flags); -+ -+ return ret; -+} -+ - /* - * Helper for ASPM support. - * ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -1317,6 +1317,7 @@ static int ath_init(u16 devid, struct at - spin_lock_init(&sc->wiphy_lock); - spin_lock_init(&sc->sc_resetlock); - spin_lock_init(&sc->sc_serial_rw); -+ spin_lock_init(&sc->sc_pm_lock); - mutex_init(&sc->mutex); - tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc); - tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet, |