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iwlwifi: make iwl_tx_queue->tfds void*

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Instead of having both tfds and tfds39, we can just have a void *tfds.
It makes the tx_queue structure nicer, and the code cleaner. It also helps
with further TX queues management code merging.

Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Samuel Ortiz 2009-01-23 13:45:13 -08:00 committed by John W. Linville
parent 77fecfb88f
commit 59606ffa91
5 changed files with 17 additions and 16 deletions
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7
drivers/net/wireless/iwlwifi/iwl-3945.c
View File

@ -730,10 +730,11 @@ int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
{
int count;
struct iwl_queue *q;
struct iwl3945_tfd *tfd;
struct iwl3945_tfd *tfd, *tfd_tmp;
q = &txq->q;
tfd = &txq->tfds39[q->write_ptr];
tfd_tmp = (struct iwl3945_tfd *)txq->tfds;
tfd = &tfd_tmp[q->write_ptr];
if (reset)
memset(tfd, 0, sizeof(*tfd));
@ -764,7 +765,7 @@ int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
*/
void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
{
struct iwl3945_tfd *tfd_tmp = (struct iwl3945_tfd *)&txq->tfds39[0];
struct iwl3945_tfd *tfd_tmp = (struct iwl3945_tfd *)txq->tfds;
struct iwl3945_tfd *tfd = &tfd_tmp[txq->q.read_ptr];
struct pci_dev *dev = priv->pci_dev;
int i;

7
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -520,7 +520,7 @@ static inline u8 iwl_tfd_get_num_tbs(struct iwl_tfd *tfd)
*/
void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
{
struct iwl_tfd *tfd_tmp = (struct iwl_tfd *)&txq->tfds[0];
struct iwl_tfd *tfd_tmp = (struct iwl_tfd *)txq->tfds;
struct iwl_tfd *tfd;
struct pci_dev *dev = priv->pci_dev;
int index = txq->q.read_ptr;
@ -563,11 +563,12 @@ int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
u8 reset, u8 pad)
{
struct iwl_queue *q;
struct iwl_tfd *tfd;
struct iwl_tfd *tfd, *tfd_tmp;
u32 num_tbs;
q = &txq->q;
tfd = &txq->tfds[q->write_ptr];
tfd_tmp = (struct iwl_tfd *)txq->tfds;
tfd = &tfd_tmp[q->write_ptr];
if (reset)
memset(tfd, 0, sizeof(*tfd));

3
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -149,8 +149,7 @@ struct iwl_tx_info {
struct iwl_tx_queue {
struct iwl_queue q;
struct iwl_tfd *tfds;
struct iwl3945_tfd *tfds39;
void *tfds;
struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
struct iwl_tx_info *txb;
u8 need_update;

4
drivers/net/wireless/iwlwifi/iwl-tx.c
View File

@ -295,12 +295,12 @@ static int iwl_tx_queue_alloc(struct iwl_priv *priv,
/* Circular buffer of transmit frame descriptors (TFDs),
* shared with device */
txq->tfds = pci_alloc_consistent(dev,
sizeof(txq->tfds[0]) * TFD_QUEUE_SIZE_MAX,
sizeof(struct iwl_tfd) * TFD_QUEUE_SIZE_MAX,
&txq->q.dma_addr);
if (!txq->tfds) {
IWL_ERR(priv, "pci_alloc_consistent(%zd) failed\n",
sizeof(txq->tfds[0]) * TFD_QUEUE_SIZE_MAX);
sizeof(struct iwl_tfd) * TFD_QUEUE_SIZE_MAX);
goto error;
}
txq->q.id = id;

12
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -172,13 +172,13 @@ static int iwl3945_tx_queue_alloc(struct iwl_priv *priv,
/* Circular buffer of transmit frame descriptors (TFDs),
* shared with device */
txq->tfds39 = pci_alloc_consistent(dev,
sizeof(txq->tfds39[0]) * TFD_QUEUE_SIZE_MAX,
&txq->q.dma_addr);
txq->tfds = pci_alloc_consistent(dev,
sizeof(struct iwl3945_tfd) * TFD_QUEUE_SIZE_MAX,
&txq->q.dma_addr);
if (!txq->tfds39) {
if (!txq->tfds) {
IWL_ERR(priv, "pci_alloc_consistent(%zd) failed\n",
sizeof(txq->tfds39[0]) * TFD_QUEUE_SIZE_MAX);
sizeof(struct iwl3945_tfd) * TFD_QUEUE_SIZE_MAX);
goto error;
}
txq->q.id = id;
@ -287,7 +287,7 @@ void iwl3945_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq)
/* De-alloc circular buffer of TFDs */
if (txq->q.n_bd)
pci_free_consistent(dev, sizeof(struct iwl3945_tfd) *
txq->q.n_bd, txq->tfds39, txq->q.dma_addr);
txq->q.n_bd, txq->tfds, txq->q.dma_addr);
/* De-alloc array of per-TFD driver data */
kfree(txq->txb);