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-rw-r--r--package/kernel/mac80211/patches/311-ath9k-do-not-access-hardware-on-IRQs-during-reset.patch61
1 files changed, 0 insertions, 61 deletions
diff --git a/package/kernel/mac80211/patches/311-ath9k-do-not-access-hardware-on-IRQs-during-reset.patch b/package/kernel/mac80211/patches/311-ath9k-do-not-access-hardware-on-IRQs-during-reset.patch
deleted file mode 100644
index 2994632b8d..0000000000
--- a/package/kernel/mac80211/patches/311-ath9k-do-not-access-hardware-on-IRQs-during-reset.patch
+++ /dev/null
@@ -1,61 +0,0 @@
-From: Felix Fietkau <nbd@openwrt.org>
-Date: Thu, 13 Nov 2014 18:29:26 +0100
-Subject: [PATCH] ath9k: do not access hardware on IRQs during reset
-
-Instead of killing interrupts during reset when the first one happens,
-kill them before issuing the reset.
-This fixes an easy to reproduce crash with multiple cards sharing the
-same IRQ.
-
-Cc: stable@vger.kernel.org
-Signed-off-by: Felix Fietkau <nbd@openwrt.org>
----
-
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -512,16 +512,13 @@ irqreturn_t ath_isr(int irq, void *dev)
- if (!ah || test_bit(ATH_OP_INVALID, &common->op_flags))
- return IRQ_NONE;
-
-- /* shared irq, not for us */
-+ if (!AR_SREV_9100(ah) && test_bit(ATH_OP_HW_RESET, &common->op_flags))
-+ return IRQ_NONE;
-
-+ /* shared irq, not for us */
- if (!ath9k_hw_intrpend(ah))
- return IRQ_NONE;
-
-- if (test_bit(ATH_OP_HW_RESET, &common->op_flags)) {
-- ath9k_hw_kill_interrupts(ah);
-- return IRQ_HANDLED;
-- }
--
- /*
- * Figure out the reason(s) for the interrupt. Note
- * that the hal returns a pseudo-ISR that may include
-@@ -532,6 +529,9 @@ irqreturn_t ath_isr(int irq, void *dev)
- ath9k_debug_sync_cause(sc, sync_cause);
- status &= ah->imask; /* discard unasked-for bits */
-
-+ if (AR_SREV_9100(ah) && test_bit(ATH_OP_HW_RESET, &common->op_flags))
-+ return IRQ_HANDLED;
-+
- /*
- * If there are no status bits set, then this interrupt was not
- * for me (should have been caught above).
-@@ -613,6 +613,7 @@ int ath_reset(struct ath_softc *sc, stru
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- int r;
-
-+ ath9k_hw_kill_interrupts(sc->sc_ah);
- set_bit(ATH_OP_HW_RESET, &common->op_flags);
-
- ath9k_ps_wakeup(sc);
-@@ -633,6 +634,7 @@ void ath9k_queue_reset(struct ath_softc
- #ifdef CPTCFG_ATH9K_DEBUGFS
- RESET_STAT_INC(sc, type);
- #endif
-+ ath9k_hw_kill_interrupts(sc->sc_ah);
- set_bit(ATH_OP_HW_RESET, &common->op_flags);
- ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
- }