iwlwifi: some fh document fix and cleanup

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>

drivers/net/wireless/iwlwifi/iwl-fh.h

@@ -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__ */

drivers/net/wireless/iwlwifi/iwl-tx.c

@@ -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)) {