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authorMichael Buesch <mb@bu3sch.de>2009-09-05 00:51:29 +0400
committerJohn W. Linville <linville@tuxdriver.com>2009-09-09 00:31:06 +0400
commit36dbd9548e92268127b0c31b0e121e63e9207108 (patch)
tree41d95c5dd824ea43c5f0055bd790b64d7ba8a33a /drivers/net/wireless/b43/dma.c
parentb275f28535fc774325bb8ad5f664e6c44a8fbc9b (diff)
downloadlinux-36dbd9548e92268127b0c31b0e121e63e9207108.tar.xz
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/dma.c')
-rw-r--r--drivers/net/wireless/b43/dma.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 289aaf6dfe79..25ced8bdec8f 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1387,7 +1387,6 @@ out_unlock:
return err;
}
-/* Called with IRQs disabled. */
void b43_dma_handle_txstatus(struct b43_wldev *dev,
const struct b43_txstatus *status)
{
@@ -1402,7 +1401,7 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
if (unlikely(!ring))
return;
- spin_lock(&ring->lock); /* IRQs are already disabled. */
+ spin_lock_irq(&ring->lock);
B43_WARN_ON(!ring->tx);
ops = ring->ops;
@@ -1463,7 +1462,7 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
}
}
- spin_unlock(&ring->lock);
+ spin_unlock_irq(&ring->lock);
}
void b43_dma_get_tx_stats(struct b43_wldev *dev,