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iwlwifi: some fh document fix and cleanup

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This patch cleans up some flow handler related document. It also
removes some blank lines.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Acked-by: Tomas Winkler <tomas.winkler@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:
Zhu, Yi 2008-11-12 13:14:10 -08:00 committed by John W. Linville
parent 352bc8de19
commit 34faf780cf
2 changed files with 4 additions and 9 deletions
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9
drivers/net/wireless/iwlwifi/iwl-fh.h
View file

@ -440,7 +440,7 @@ static inline u8 iwl_get_dma_hi_addr(dma_addr_t addr)
* @lo: low [31:0] portion of the dma address of TX buffer
* every even is unaligned on 16 bit boundary
* @hi_n_len 0-3 [35:32] portion of dma
* 4-16 length of the tx buffer
* 4-15 length of the tx buffer
*/
struct iwl_tfd_tb {
__le32 lo;
@ -453,7 +453,8 @@ struct iwl_tfd_tb {
* Transmit Frame Descriptor (TFD)
*
* @ __reserved1[3] reserved
* @ num_tbs 0-5 number of active tbs
* @ num_tbs 0-4 number of active tbs
* 5 reserved
* 6-7 padding (not used)
* @ tbs[20] transmit frame buffer descriptors
* @ __pad padding
@ -473,8 +474,6 @@ struct iwl_tfd_tb {
* Tx frame, up to 8 KBytes in size.
*
* A maximum of 255 (not 256!) TFDs may be on a queue waiting for Tx.
*
* Bit fields in the control dword (val0):
*/
struct iwl_tfd {
u8 __reserved1[3];
@ -485,6 +484,6 @@ struct iwl_tfd {
/* Keep Warm Size */
#define IWL_KW_SIZE 0x1000 /*4k */
#define IWL_KW_SIZE 0x1000 /* 4k */
#endif /* !__iwl_fh_h__ */

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

@ -587,8 +587,6 @@ int iwl_txq_ctx_reset(struct iwl_priv *priv)
iwl_release_nic_access(priv);
spin_unlock_irqrestore(&priv->lock, flags);
/* Alloc and init all Tx queues, including the command queue (#4) */
for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
slots_num = (txq_id == IWL_CMD_QUEUE_NUM) ?
@ -618,11 +616,9 @@ int iwl_txq_ctx_reset(struct iwl_priv *priv)
*/
void iwl_txq_ctx_stop(struct iwl_priv *priv)
{
int txq_id;
unsigned long flags;
/* Turn off all Tx DMA fifos */
spin_lock_irqsave(&priv->lock, flags);
if (iwl_grab_nic_access(priv)) {