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authorFelix Fietkau <nbd@nbd.name>2017-01-27 15:43:12 +0100
committerFelix Fietkau <nbd@nbd.name>2017-01-27 15:46:07 +0100
commit36db14369016b976ce7b0d6a1928eb7a26c45f5c (patch)
tree3c17d9ff28f0c58105669d840bde031badf76a2b /package/kernel/mac80211
parentecc362ed040c07f45587e622e12778a7c74a8c8d (diff)
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ath9k: fix up a refcount imbalance error in the IRQ related fix
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package/kernel/mac80211')
-rw-r--r--package/kernel/mac80211/patches/357-ath9k-fix-race-condition-in-enabling-disabling-IRQs.patch40
-rw-r--r--package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch2
-rw-r--r--package/kernel/mac80211/patches/560-ath9k_ubnt_uap_plus_hsr.patch4
3 files changed, 39 insertions, 7 deletions
diff --git a/package/kernel/mac80211/patches/357-ath9k-fix-race-condition-in-enabling-disabling-IRQs.patch b/package/kernel/mac80211/patches/357-ath9k-fix-race-condition-in-enabling-disabling-IRQs.patch
index 962a08ae36..3e1b2a1714 100644
--- a/package/kernel/mac80211/patches/357-ath9k-fix-race-condition-in-enabling-disabling-IRQs.patch
+++ b/package/kernel/mac80211/patches/357-ath9k-fix-race-condition-in-enabling-disabling-IRQs.patch
@@ -118,7 +118,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -375,9 +375,14 @@ void ath9k_tasklet(unsigned long data)
+@@ -375,21 +375,20 @@ void ath9k_tasklet(unsigned long data)
struct ath_common *common = ath9k_hw_common(ah);
enum ath_reset_type type;
unsigned long flags;
@@ -134,7 +134,39 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
ath9k_ps_wakeup(sc);
spin_lock(&sc->sc_pcu_lock);
-@@ -480,7 +485,7 @@ void ath9k_tasklet(unsigned long data)
+ if (status & ATH9K_INT_FATAL) {
+ type = RESET_TYPE_FATAL_INT;
+ ath9k_queue_reset(sc, type);
+-
+- /*
+- * Increment the ref. counter here so that
+- * interrupts are enabled in the reset routine.
+- */
+- atomic_inc(&ah->intr_ref_cnt);
+ ath_dbg(common, RESET, "FATAL: Skipping interrupts\n");
+ goto out;
+ }
+@@ -405,11 +404,6 @@ void ath9k_tasklet(unsigned long data)
+ type = RESET_TYPE_BB_WATCHDOG;
+ ath9k_queue_reset(sc, type);
+
+- /*
+- * Increment the ref. counter here so that
+- * interrupts are enabled in the reset routine.
+- */
+- atomic_inc(&ah->intr_ref_cnt);
+ ath_dbg(common, RESET,
+ "BB_WATCHDOG: Skipping interrupts\n");
+ goto out;
+@@ -422,7 +416,6 @@ void ath9k_tasklet(unsigned long data)
+ if ((sc->gtt_cnt >= MAX_GTT_CNT) && !ath9k_hw_check_alive(ah)) {
+ type = RESET_TYPE_TX_GTT;
+ ath9k_queue_reset(sc, type);
+- atomic_inc(&ah->intr_ref_cnt);
+ ath_dbg(common, RESET,
+ "GTT: Skipping interrupts\n");
+ goto out;
+@@ -480,7 +473,7 @@ void ath9k_tasklet(unsigned long data)
ath9k_btcoex_handle_interrupt(sc, status);
/* re-enable hardware interrupt */
@@ -143,7 +175,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
out:
spin_unlock(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
-@@ -544,7 +549,9 @@ irqreturn_t ath_isr(int irq, void *dev)
+@@ -544,7 +537,9 @@ irqreturn_t ath_isr(int irq, void *dev)
return IRQ_NONE;
/* Cache the status */
@@ -154,7 +186,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
if (status & SCHED_INTR)
sched = true;
-@@ -590,7 +597,7 @@ chip_reset:
+@@ -590,7 +585,7 @@ chip_reset:
if (sched) {
/* turn off every interrupt */
diff --git a/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch b/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch
index ea73e6a000..b301c7b48f 100644
--- a/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch
+++ b/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch
@@ -125,7 +125,7 @@
REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV, AR_BTCOEX_WL_LNADIV_FORCE_ON);
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -541,6 +541,11 @@ irqreturn_t ath_isr(int irq, void *dev)
+@@ -529,6 +529,11 @@ irqreturn_t ath_isr(int irq, void *dev)
if (test_bit(ATH_OP_HW_RESET, &common->op_flags))
return IRQ_HANDLED;
diff --git a/package/kernel/mac80211/patches/560-ath9k_ubnt_uap_plus_hsr.patch b/package/kernel/mac80211/patches/560-ath9k_ubnt_uap_plus_hsr.patch
index 51fe1bd6cc..42038b7cd8 100644
--- a/package/kernel/mac80211/patches/560-ath9k_ubnt_uap_plus_hsr.patch
+++ b/package/kernel/mac80211/patches/560-ath9k_ubnt_uap_plus_hsr.patch
@@ -343,7 +343,7 @@
u8 ath9k_parse_mpdudensity(u8 mpdudensity)
{
-@@ -662,6 +664,7 @@ void ath_reset_work(struct work_struct *
+@@ -650,6 +652,7 @@ void ath_reset_work(struct work_struct *
static int ath9k_start(struct ieee80211_hw *hw)
{
struct ath_softc *sc = hw->priv;
@@ -351,7 +351,7 @@
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_channel *curchan = sc->cur_chan->chandef.chan;
-@@ -740,6 +743,11 @@ static int ath9k_start(struct ieee80211_
+@@ -728,6 +731,11 @@ static int ath9k_start(struct ieee80211_
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
}