iwl3945: Use iwl-hcmd host command routines

With the previously added tfd related ops, we can now use the iwl-tx.c host
command enqueue routine. Since the 3945 host command specific
routines are identical to the agn ones, we can just remove them from the 3945
code.
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>

drivers/net/wireless/iwlwifi/iwl-3945-led.c

@@ -40,6 +40,8 @@
 
 #include "iwl-commands.h"
 #include "iwl-3945.h"
+#include "iwl-core.h"
+#include "iwl-dev.h"
 
 
 static const struct {
@@ -91,7 +93,7 @@ static int iwl_send_led_cmd(struct iwl_priv *priv,
 		.meta.u.callback = iwl3945_led_cmd_callback,
 	};
 
-	return iwl3945_send_cmd(priv, &cmd);
+	return iwl_send_cmd(priv, &cmd);
 }
 
 

drivers/net/wireless/iwlwifi/iwl-3945.c

@@ -1766,8 +1766,9 @@ int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv)
 				txpower.power[i].rate);
 	}
 
-	return iwl3945_send_cmd_pdu(priv, REPLY_TX_PWR_TABLE_CMD,
-			sizeof(struct iwl3945_txpowertable_cmd), &txpower);
+	return iwl_send_cmd_pdu(priv, REPLY_TX_PWR_TABLE_CMD,
+				sizeof(struct iwl3945_txpowertable_cmd),
+				&txpower);
 
 }
 
@@ -2463,14 +2464,14 @@ int iwl3945_init_hw_rate_table(struct iwl_priv *priv)
 
 	/* Update the rate scaling for control frame Tx */
 	rate_cmd.table_id = 0;
-	rc = iwl3945_send_cmd_pdu(priv, REPLY_RATE_SCALE, sizeof(rate_cmd),
+	rc = iwl_send_cmd_pdu(priv, REPLY_RATE_SCALE, sizeof(rate_cmd),
 			      &rate_cmd);
 	if (rc)
 		return rc;
 
 	/* Update the rate scaling for data frame Tx */
 	rate_cmd.table_id = 1;
-	return iwl3945_send_cmd_pdu(priv, REPLY_RATE_SCALE, sizeof(rate_cmd),
+	return iwl_send_cmd_pdu(priv, REPLY_RATE_SCALE, sizeof(rate_cmd),
 				&rate_cmd);
 }
 

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

@@ -1004,7 +1004,8 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	phys_addr += offsetof(struct iwl_cmd, hdr);
 
 	priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
-						   phys_addr, fix_size, 1, 0);
+						   phys_addr, fix_size, 1,
+						   U32_PAD(cmd->len));
 
 #ifdef CONFIG_IWLWIFI_DEBUG
 	switch (out_cmd->hdr.cmd) {
@@ -1028,6 +1029,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 #endif
 	txq->need_update = 1;
 
+	if (priv->cfg->ops->lib->txq_update_byte_cnt_tbl)
 		/* Set up entry in queue's byte count circular buffer */
 		priv->cfg->ops->lib->txq_update_byte_cnt_tbl(priv, txq, 0);