diff options
| author | Michael Buesch <mb@bu3sch.de> | 2006-06-05 20:24:21 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-06-15 15:48:13 -0400 |
| commit | 91769e7dd9cef7988dc4280f74ed168351beb5b8 (patch) | |
| tree | ef854d83ec881882b94a3e88b580e2468f62bac1 /drivers/net/wireless/bcm43xx/bcm43xx_pio.c | |
| parent | 78ff56a06edc3407996173daf63e48f6b90c7062 (diff) | |
[PATCH] bcm43xx: preemptible periodic work
Make the heavy periodic work preemptible to avoid disabling
local IRQs for several msecs.
Signed-off-by: Michael Buesch <mb@buesch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_pio.c')
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_pio.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_pio.c b/drivers/net/wireless/bcm43xx/bcm43xx_pio.c index e77e9d859f8..574085c4615 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_pio.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_pio.c @@ -264,6 +264,8 @@ static void tx_tasklet(unsigned long d) bcm43xx_lock_irqonly(bcm, flags); + if (queue->tx_frozen) + goto out_unlock; txctl = bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL); if (txctl & BCM43xx_PIO_TXCTL_SUSPEND) goto out_unlock; @@ -633,5 +635,40 @@ void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue) bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL) & ~BCM43xx_PIO_TXCTL_SUSPEND); bcm43xx_power_saving_ctl_bits(queue->bcm, -1, -1); - tasklet_schedule(&queue->txtask); + if (!list_empty(&queue->txqueue)) + tasklet_schedule(&queue->txtask); +} + +void bcm43xx_pio_freeze_txqueues(struct bcm43xx_private *bcm) +{ + struct bcm43xx_pio *pio; + + assert(bcm43xx_using_pio(bcm)); + pio = bcm43xx_current_pio(bcm); + pio->queue0->tx_frozen = 1; + pio->queue1->tx_frozen = 1; + pio->queue2->tx_frozen = 1; + pio->queue3->tx_frozen = 1; } + +void bcm43xx_pio_thaw_txqueues(struct bcm43xx_private *bcm) +{ + struct bcm43xx_pio *pio; + + assert(bcm43xx_using_pio(bcm)); + pio = bcm43xx_current_pio(bcm); + pio->queue0->tx_frozen = 0; + pio->queue1->tx_frozen = 0; + pio->queue2->tx_frozen = 0; + pio->queue3->tx_frozen = 0; + if (!list_empty(&pio->queue0->txqueue)) + tasklet_schedule(&pio->queue0->txtask); + if (!list_empty(&pio->queue1->txqueue)) + tasklet_schedule(&pio->queue1->txtask); + if (!list_empty(&pio->queue2->txqueue)) + tasklet_schedule(&pio->queue2->txtask); + if (!list_empty(&pio->queue3->txqueue)) + tasklet_schedule(&pio->queue3->txtask); +} + + |