diff options
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/pio.c | 36 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/pio.h | 4 |
3 files changed, 7 insertions, 34 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index fca2fe947d7..23de3db4f6d 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -3883,7 +3883,6 @@ redo: while (skb_queue_len(&wl->tx_queue)) dev_kfree_skb(skb_dequeue(&wl->tx_queue)); - b43_pio_stop(dev); b43_mac_suspend(dev); free_irq(dev->dev->irq, dev); b43dbg(wl, "Wireless interface stopped\n"); diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c index 4635baa9b99..3498b68385e 100644 --- a/drivers/net/wireless/b43/pio.c +++ b/drivers/net/wireless/b43/pio.c @@ -32,9 +32,6 @@ #include <linux/delay.h> -static void b43_pio_rx_work(struct work_struct *work); - - static u16 generate_cookie(struct b43_pio_txqueue *q, struct b43_pio_txpacket *pack) { @@ -182,7 +179,6 @@ static struct b43_pio_rxqueue *b43_setup_pioqueue_rx(struct b43_wldev *dev, q->rev = dev->dev->id.revision; q->mmio_base = index_to_pioqueue_base(dev, index) + pio_rxqueue_offset(dev); - INIT_WORK(&q->rx_work, b43_pio_rx_work); /* Enable Direct FIFO RX (PIO) on the engine. */ b43_dma_direct_fifo_rx(dev, index, 1); @@ -247,13 +243,6 @@ void b43_pio_free(struct b43_wldev *dev) destroy_queue_tx(pio, tx_queue_AC_BK); } -void b43_pio_stop(struct b43_wldev *dev) -{ - if (!b43_using_pio_transfers(dev)) - return; - cancel_work_sync(&dev->pio.rx_queue->rx_work); -} - int b43_pio_init(struct b43_wldev *dev) { struct b43_pio *pio = &dev->pio; @@ -745,30 +734,19 @@ rx_error: return 1; } -/* RX workqueue. We can sleep, yay! */ -static void b43_pio_rx_work(struct work_struct *work) +void b43_pio_rx(struct b43_pio_rxqueue *q) { - struct b43_pio_rxqueue *q = container_of(work, struct b43_pio_rxqueue, - rx_work); - unsigned int budget = 50; + unsigned int count = 0; bool stop; - do { - mutex_lock(&q->dev->wl->mutex); + while (1) { stop = (pio_rx_frame(q) == 0); - mutex_unlock(&q->dev->wl->mutex); - cond_resched(); if (stop) break; - } while (--budget); -} - -/* Called with IRQs disabled. */ -void b43_pio_rx(struct b43_pio_rxqueue *q) -{ - /* Due to latency issues we must run the RX path in - * a workqueue to be able to schedule between packets. */ - ieee80211_queue_work(q->dev->wl->hw, &q->rx_work); + cond_resched(); + if (WARN_ON_ONCE(++count > 10000)) + break; + } } static void b43_pio_tx_suspend_queue(struct b43_pio_txqueue *q) diff --git a/drivers/net/wireless/b43/pio.h b/drivers/net/wireless/b43/pio.h index a976bbdd6f4..7dd649c9dda 100644 --- a/drivers/net/wireless/b43/pio.h +++ b/drivers/net/wireless/b43/pio.h @@ -104,9 +104,6 @@ struct b43_pio_rxqueue { struct b43_wldev *dev; u16 mmio_base; - /* Work to reduce latency issues on RX. */ - struct work_struct rx_work; - /* Shortcut to the 802.11 core revision. This is to * avoid horrible pointer dereferencing in the fastpaths. */ u8 rev; @@ -160,7 +157,6 @@ static inline void b43_piorx_write32(struct b43_pio_rxqueue *q, int b43_pio_init(struct b43_wldev *dev); -void b43_pio_stop(struct b43_wldev *dev); void b43_pio_free(struct b43_wldev *dev); int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb); |