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rt2x00: Don't treat ATIM queue as second beacon queue. 

Current code for the atim queue is strange, as it is considered in the
rt2x00_dev structure as a second beacon queue.
Normalize this by letting the atim queue have its own struct data_queue
pointer in the rt2x00_dev structure.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Gertjan van Wingerde 2011-03-03 19:46:09 +01:00 committed by John W. Linville
parent 3736fe5808
commit e74df4a756
4 changed files with 16 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/rt2x00/rt2400pci.c
View File

@ -779,7 +779,7 @@ static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev)
rt2x00pci_register_read(rt2x00dev, TXCSR2, &reg);
rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size);
rt2x00_set_field32(&reg, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit);
rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM, rt2x00dev->bcn[1].limit);
rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM, rt2x00dev->atim->limit);
rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit);
rt2x00pci_register_write(rt2x00dev, TXCSR2, reg);
@ -795,13 +795,13 @@ static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev)
entry_priv->desc_dma);
rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
entry_priv = rt2x00dev->bcn[1].entries[0].priv_data;
entry_priv = rt2x00dev->atim->entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
entry_priv->desc_dma);
rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
entry_priv = rt2x00dev->bcn[0].entries[0].priv_data;
entry_priv = rt2x00dev->bcn->entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
entry_priv->desc_dma);

6
drivers/net/wireless/rt2x00/rt2500pci.c
View File

@ -865,7 +865,7 @@ static int rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev)
rt2x00pci_register_read(rt2x00dev, TXCSR2, &reg);
rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size);
rt2x00_set_field32(&reg, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit);
rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM, rt2x00dev->bcn[1].limit);
rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM, rt2x00dev->atim->limit);
rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit);
rt2x00pci_register_write(rt2x00dev, TXCSR2, reg);
@ -881,13 +881,13 @@ static int rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev)
entry_priv->desc_dma);
rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
entry_priv = rt2x00dev->bcn[1].entries[0].priv_data;
entry_priv = rt2x00dev->atim->entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
entry_priv->desc_dma);
rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
entry_priv = rt2x00dev->bcn[0].entries[0].priv_data;
entry_priv = rt2x00dev->bcn->entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
entry_priv->desc_dma);

5
drivers/net/wireless/rt2x00/rt2x00.h
View File

@ -887,14 +887,13 @@ struct rt2x00_dev {
struct work_struct txdone_work;
/*
* Data queue arrays for RX, TX and Beacon.
* The Beacon array also contains the Atim queue
* if that is supported by the device.
* Data queue arrays for RX, TX, Beacon and ATIM.
*/
unsigned int data_queues;
struct data_queue *rx;
struct data_queue *tx;
struct data_queue *bcn;
struct data_queue *atim;
/*
* Firmware image.

19
drivers/net/wireless/rt2x00/rt2x00queue.c
View File

@ -708,21 +708,17 @@ EXPORT_SYMBOL_GPL(rt2x00queue_for_each_entry);
struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev,
const enum data_queue_qid queue)
{
int atim = test_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
if (queue == QID_RX)
return rt2x00dev->rx;
if (queue < rt2x00dev->ops->tx_queues && rt2x00dev->tx)
return &rt2x00dev->tx[queue];
if (!rt2x00dev->bcn)
return NULL;
if (queue == QID_BEACON)
return &rt2x00dev->bcn[0];
else if (queue == QID_ATIM && atim)
return &rt2x00dev->bcn[1];
return rt2x00dev->bcn;
if (queue == QID_ATIM)
return rt2x00dev->atim;
return NULL;
}
@ -1103,7 +1099,7 @@ int rt2x00queue_initialize(struct rt2x00_dev *rt2x00dev)
goto exit;
if (test_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags)) {
status = rt2x00queue_alloc_entries(&rt2x00dev->bcn[1],
status = rt2x00queue_alloc_entries(rt2x00dev->atim,
rt2x00dev->ops->atim);
if (status)
goto exit;
@ -1177,6 +1173,7 @@ int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev)
rt2x00dev->rx = queue;
rt2x00dev->tx = &queue[1];
rt2x00dev->bcn = &queue[1 + rt2x00dev->ops->tx_queues];
rt2x00dev->atim = req_atim ? &queue[2 + rt2x00dev->ops->tx_queues] : NULL;
/*
* Initialize queue parameters.
@ -1193,9 +1190,9 @@ int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev)
tx_queue_for_each(rt2x00dev, queue)
rt2x00queue_init(rt2x00dev, queue, qid++);
rt2x00queue_init(rt2x00dev, &rt2x00dev->bcn[0], QID_BEACON);
rt2x00queue_init(rt2x00dev, rt2x00dev->bcn, QID_BEACON);
if (req_atim)
rt2x00queue_init(rt2x00dev, &rt2x00dev->bcn[1], QID_ATIM);
rt2x00queue_init(rt2x00dev, rt2x00dev->atim, QID_ATIM);
return 0;
}