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yaml
---
r: 98207
b: refs/heads/master
c: 028118a
h: refs/heads/master
i:
  98205: d5903ce
  98203: 9169b37
  98199: 339d5c2
  98191: 9021083
  98175: 834c683
v: v3
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Michael Buesch authored and John W. Linville committed Jun 13, 2008
1 parent 5c3a570 commit 8458375
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Showing 2 changed files with 33 additions and 34 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 051c256f672efa356a4cda1841132dbc86541090
refs/heads/master: 028118a5f09a9c807e6b43e2231efdff9f224c74
65 changes: 32 additions & 33 deletions trunk/drivers/net/wireless/b43/dma.c
Original file line number Diff line number Diff line change
Expand Up @@ -795,24 +795,49 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
{
struct b43_dmaring *ring;
int err;
int nr_slots;
dma_addr_t dma_test;

ring = kzalloc(sizeof(*ring), GFP_KERNEL);
if (!ring)
goto out;
ring->type = type;

nr_slots = B43_RXRING_SLOTS;
ring->nr_slots = B43_RXRING_SLOTS;
if (for_tx)
nr_slots = B43_TXRING_SLOTS;
ring->nr_slots = B43_TXRING_SLOTS;

ring->meta = kcalloc(nr_slots, sizeof(struct b43_dmadesc_meta),
ring->meta = kcalloc(ring->nr_slots, sizeof(struct b43_dmadesc_meta),
GFP_KERNEL);
if (!ring->meta)
goto err_kfree_ring;

ring->type = type;
ring->dev = dev;
ring->mmio_base = b43_dmacontroller_base(type, controller_index);
ring->index = controller_index;
if (type == B43_DMA_64BIT)
ring->ops = &dma64_ops;
else
ring->ops = &dma32_ops;
if (for_tx) {
ring->txhdr_cache = kcalloc(nr_slots,
ring->tx = 1;
ring->current_slot = -1;
} else {
if (ring->index == 0) {
ring->rx_buffersize = B43_DMA0_RX_BUFFERSIZE;
ring->frameoffset = B43_DMA0_RX_FRAMEOFFSET;
} else if (ring->index == 3) {
ring->rx_buffersize = B43_DMA3_RX_BUFFERSIZE;
ring->frameoffset = B43_DMA3_RX_FRAMEOFFSET;
} else
B43_WARN_ON(1);
}
spin_lock_init(&ring->lock);
#ifdef CONFIG_B43_DEBUG
ring->last_injected_overflow = jiffies;
#endif

if (for_tx) {
ring->txhdr_cache = kcalloc(ring->nr_slots,
b43_txhdr_size(dev),
GFP_KERNEL);
if (!ring->txhdr_cache)
Expand All @@ -828,7 +853,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
b43_txhdr_size(dev), 1)) {
/* ugh realloc */
kfree(ring->txhdr_cache);
ring->txhdr_cache = kcalloc(nr_slots,
ring->txhdr_cache = kcalloc(ring->nr_slots,
b43_txhdr_size(dev),
GFP_KERNEL | GFP_DMA);
if (!ring->txhdr_cache)
Expand All @@ -853,32 +878,6 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
DMA_TO_DEVICE);
}

ring->dev = dev;
ring->nr_slots = nr_slots;
ring->mmio_base = b43_dmacontroller_base(type, controller_index);
ring->index = controller_index;
if (type == B43_DMA_64BIT)
ring->ops = &dma64_ops;
else
ring->ops = &dma32_ops;
if (for_tx) {
ring->tx = 1;
ring->current_slot = -1;
} else {
if (ring->index == 0) {
ring->rx_buffersize = B43_DMA0_RX_BUFFERSIZE;
ring->frameoffset = B43_DMA0_RX_FRAMEOFFSET;
} else if (ring->index == 3) {
ring->rx_buffersize = B43_DMA3_RX_BUFFERSIZE;
ring->frameoffset = B43_DMA3_RX_FRAMEOFFSET;
} else
B43_WARN_ON(1);
}
spin_lock_init(&ring->lock);
#ifdef CONFIG_B43_DEBUG
ring->last_injected_overflow = jiffies;
#endif

err = alloc_ringmemory(ring);
if (err)
goto err_kfree_txhdr_cache;
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