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path: root/drivers/net/wireless/b43/dma.c
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Diffstat (limited to 'drivers/net/wireless/b43/dma.c')
-rw-r--r--drivers/net/wireless/b43/dma.c48
1 files changed, 28 insertions, 20 deletions
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 47d44bcff37..ce572aebeff 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -333,10 +333,10 @@ static inline
dma_addr_t dmaaddr;
if (tx) {
- dmaaddr = dma_map_single(ring->dev->sdev->dma_dev,
+ dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
buf, len, DMA_TO_DEVICE);
} else {
- dmaaddr = dma_map_single(ring->dev->sdev->dma_dev,
+ dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
buf, len, DMA_FROM_DEVICE);
}
@@ -348,10 +348,10 @@ static inline
dma_addr_t addr, size_t len, int tx)
{
if (tx) {
- dma_unmap_single(ring->dev->sdev->dma_dev,
+ dma_unmap_single(ring->dev->dev->dma_dev,
addr, len, DMA_TO_DEVICE);
} else {
- dma_unmap_single(ring->dev->sdev->dma_dev,
+ dma_unmap_single(ring->dev->dev->dma_dev,
addr, len, DMA_FROM_DEVICE);
}
}
@@ -361,7 +361,7 @@ static inline
dma_addr_t addr, size_t len)
{
B43_WARN_ON(ring->tx);
- dma_sync_single_for_cpu(ring->dev->sdev->dma_dev,
+ dma_sync_single_for_cpu(ring->dev->dev->dma_dev,
addr, len, DMA_FROM_DEVICE);
}
@@ -370,7 +370,7 @@ static inline
dma_addr_t addr, size_t len)
{
B43_WARN_ON(ring->tx);
- dma_sync_single_for_device(ring->dev->sdev->dma_dev,
+ dma_sync_single_for_device(ring->dev->dev->dma_dev,
addr, len, DMA_FROM_DEVICE);
}
@@ -401,7 +401,7 @@ static int alloc_ringmemory(struct b43_dmaring *ring)
*/
if (ring->type == B43_DMA_64BIT)
flags |= GFP_DMA;
- ring->descbase = dma_alloc_coherent(ring->dev->sdev->dma_dev,
+ ring->descbase = dma_alloc_coherent(ring->dev->dev->dma_dev,
B43_DMA_RINGMEMSIZE,
&(ring->dmabase), flags);
if (!ring->descbase) {
@@ -415,7 +415,7 @@ static int alloc_ringmemory(struct b43_dmaring *ring)
static void free_ringmemory(struct b43_dmaring *ring)
{
- dma_free_coherent(ring->dev->sdev->dma_dev, B43_DMA_RINGMEMSIZE,
+ dma_free_coherent(ring->dev->dev->dma_dev, B43_DMA_RINGMEMSIZE,
ring->descbase, ring->dmabase);
}
@@ -523,7 +523,7 @@ static bool b43_dma_mapping_error(struct b43_dmaring *ring,
dma_addr_t addr,
size_t buffersize, bool dma_to_device)
{
- if (unlikely(dma_mapping_error(ring->dev->sdev->dma_dev, addr)))
+ if (unlikely(dma_mapping_error(ring->dev->dev->dma_dev, addr)))
return 1;
switch (ring->type) {
@@ -757,14 +757,14 @@ static void dmacontroller_cleanup(struct b43_dmaring *ring)
static void free_all_descbuffers(struct b43_dmaring *ring)
{
- struct b43_dmadesc_generic *desc;
struct b43_dmadesc_meta *meta;
int i;
if (!ring->used_slots)
return;
for (i = 0; i < ring->nr_slots; i++) {
- desc = ring->ops->idx2desc(ring, i, &meta);
+ /* get meta - ignore returned value */
+ ring->ops->idx2desc(ring, i, &meta);
if (!meta->skb || b43_dma_ptr_is_poisoned(meta->skb)) {
B43_WARN_ON(!ring->tx);
@@ -869,7 +869,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
goto err_kfree_meta;
/* test for ability to dma to txhdr_cache */
- dma_test = dma_map_single(dev->sdev->dma_dev,
+ dma_test = dma_map_single(dev->dev->dma_dev,
ring->txhdr_cache,
b43_txhdr_size(dev),
DMA_TO_DEVICE);
@@ -884,7 +884,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
if (!ring->txhdr_cache)
goto err_kfree_meta;
- dma_test = dma_map_single(dev->sdev->dma_dev,
+ dma_test = dma_map_single(dev->dev->dma_dev,
ring->txhdr_cache,
b43_txhdr_size(dev),
DMA_TO_DEVICE);
@@ -898,7 +898,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
}
}
- dma_unmap_single(dev->sdev->dma_dev,
+ dma_unmap_single(dev->dev->dma_dev,
dma_test, b43_txhdr_size(dev),
DMA_TO_DEVICE);
}
@@ -1013,9 +1013,9 @@ static int b43_dma_set_mask(struct b43_wldev *dev, u64 mask)
/* Try to set the DMA mask. If it fails, try falling back to a
* lower mask, as we can always also support a lower one. */
while (1) {
- err = dma_set_mask(dev->sdev->dma_dev, mask);
+ err = dma_set_mask(dev->dev->dma_dev, mask);
if (!err) {
- err = dma_set_coherent_mask(dev->sdev->dma_dev, mask);
+ err = dma_set_coherent_mask(dev->dev->dma_dev, mask);
if (!err)
break;
}
@@ -1055,7 +1055,14 @@ int b43_dma_init(struct b43_wldev *dev)
err = b43_dma_set_mask(dev, dmamask);
if (err)
return err;
- dma->translation = ssb_dma_translation(dev->sdev);
+
+ switch (dev->dev->bus_type) {
+#ifdef CONFIG_B43_SSB
+ case B43_BUS_SSB:
+ dma->translation = ssb_dma_translation(dev->dev->sdev);
+ break;
+#endif
+ }
err = -ENOMEM;
/* setup TX DMA channels. */
@@ -1085,7 +1092,7 @@ int b43_dma_init(struct b43_wldev *dev)
goto err_destroy_mcast;
/* No support for the TX status DMA ring. */
- B43_WARN_ON(dev->sdev->id.revision < 5);
+ B43_WARN_ON(dev->dev->core_rev < 5);
b43dbg(dev->wl, "%u-bit DMA initialized\n",
(unsigned int)type);
@@ -1388,7 +1395,6 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
{
const struct b43_dma_ops *ops;
struct b43_dmaring *ring;
- struct b43_dmadesc_generic *desc;
struct b43_dmadesc_meta *meta;
int slot, firstused;
bool frame_succeed;
@@ -1416,7 +1422,8 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
ops = ring->ops;
while (1) {
B43_WARN_ON(slot < 0 || slot >= ring->nr_slots);
- desc = ops->idx2desc(ring, slot, &meta);
+ /* get meta - ignore returned value */
+ ops->idx2desc(ring, slot, &meta);
if (b43_dma_ptr_is_poisoned(meta->skb)) {
b43dbg(dev->wl, "Poisoned TX slot %d (first=%d) "
@@ -1600,6 +1607,7 @@ void b43_dma_rx(struct b43_dmaring *ring)
dma_rx(ring, &slot);
update_max_used_slots(ring, ++used_slots);
}
+ wmb();
ops->set_current_rxslot(ring, slot);
ring->current_slot = slot;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-22 02:09:18 +0000