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authorMichael Buesch <mb@bu3sch.de>2009-09-04 22:51:29 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-09-08 16:31:06 -0400
commit36dbd9548e92268127b0c31b0e121e63e9207108 (patch)
tree41d95c5dd824ea43c5f0055bd790b64d7ba8a33a /drivers/net/wireless/b43/pio.c
parentb275f28535fc774325bb8ad5f664e6c44a8fbc9b (diff)
downloadblackbird-op-linux-36dbd9548e92268127b0c31b0e121e63e9207108.tar.gz
blackbird-op-linux-36dbd9548e92268127b0c31b0e121e63e9207108.zip
b43: Use a threaded IRQ handler
Use a threaded IRQ handler to allow locking the mutex and sleeping while executing an interrupt. This removes usage of the irq_lock spinlock, but introduces a new hardirq_lock, which is _only_ used for the PCI/SSB lowlevel hard-irq handler. Sleeping busses (SDIO) will use mutex instead. Signed-off-by: Michael Buesch <mb@bu3sch.de> Tested-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/pio.c')
-rw-r--r--drivers/net/wireless/b43/pio.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index 3fd653c78b10..ce6f36eb88ca 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -570,7 +570,6 @@ out_unlock:
return err;
}
-/* Called with IRQs disabled. */
void b43_pio_handle_txstatus(struct b43_wldev *dev,
const struct b43_txstatus *status)
{
@@ -584,7 +583,7 @@ void b43_pio_handle_txstatus(struct b43_wldev *dev,
return;
B43_WARN_ON(!pack);
- spin_lock(&q->lock); /* IRQs are already disabled. */
+ spin_lock_irq(&q->lock);
info = IEEE80211_SKB_CB(pack->skb);
@@ -604,7 +603,7 @@ void b43_pio_handle_txstatus(struct b43_wldev *dev,
q->stopped = 0;
}
- spin_unlock(&q->lock);
+ spin_unlock_irq(&q->lock);
}
void b43_pio_get_tx_stats(struct b43_wldev *dev,
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