iwlagn: move iwl_prepare_card_hw to the transport layer

This function is really related to the transport layer - move it.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

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

@@ -3174,7 +3174,7 @@ int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops,
 	IWL_INFO(priv, "Detected %s, REV=0x%X\n",
 		priv->cfg->name, hw_rev);
 
-	if (iwl_prepare_card_hw(priv)) {
+	if (trans_prepare_card_hw(priv)) {
 		err = -EIO;
 		IWL_WARN(priv, "Failed, HW not ready\n");
 		goto out_free_traffic_mem;

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

@@ -122,9 +122,6 @@ static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
 	hdr->data_valid = 1;
 }
 
-/* TODO: this one should be API of the transport layer */
-int iwl_prepare_card_hw(struct iwl_priv *priv);
-
 /* tx queue */
 void iwl_free_tfds_in_queue(struct iwl_priv *priv,
 			    int sta_id, int tid, int freed);

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

@@ -1236,6 +1236,8 @@ struct iwl_trans;
  * struct iwl_trans_ops - transport specific operations
  * @start_device: allocates and inits all the resources for the transport
  *                layer.
+ * @prepare_card_hw: claim the ownership on the HW. Will be called during
+ *                   probe.
  * @tx_start: starts and configures all the Tx fifo - usually done once the fw
  *           is alive.
  * @stop_device:stops the whole device (embedded CPU put to reset)
@@ -1259,6 +1261,7 @@ struct iwl_trans;
 struct iwl_trans_ops {
 
 	int (*start_device)(struct iwl_priv *priv);
+	int (*prepare_card_hw)(struct iwl_priv *priv);
 	void (*stop_device)(struct iwl_priv *priv);
 	void (*tx_start)(struct iwl_priv *priv);
 	void (*tx_free)(struct iwl_priv *priv);

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

@@ -647,11 +647,11 @@ static int iwl_set_hw_ready(struct iwl_priv *priv)
 }
 
 /* Note: returns standard 0/-ERROR code */
-int iwl_prepare_card_hw(struct iwl_priv *priv)
+static int iwl_trans_prepare_card_hw(struct iwl_priv *priv)
 {
 	int ret;
 
-	IWL_DEBUG_INFO(priv, "iwl_prepare_card_hw enter\n");
+	IWL_DEBUG_INFO(priv, "iwl_trans_prepare_card_hw enter\n");
 
 	ret = iwl_set_hw_ready(priv);
 	if (ret >= 0)
@@ -682,7 +682,7 @@ static int iwl_trans_start_device(struct iwl_priv *priv)
 	priv->ucode_owner = IWL_OWNERSHIP_DRIVER;
 
 	if ((priv->cfg->sku & EEPROM_SKU_CAP_AMT_ENABLE) &&
-	     iwl_prepare_card_hw(priv)) {
+	     iwl_trans_prepare_card_hw(priv)) {
 		IWL_WARN(priv, "Exit HW not ready\n");
 		return -EIO;
 	}
@@ -1123,7 +1123,9 @@ static void iwl_trans_free(struct iwl_priv *priv)
 
 static const struct iwl_trans_ops trans_ops = {
 	.start_device = iwl_trans_start_device,
+	.prepare_card_hw = iwl_trans_prepare_card_hw,
 	.stop_device = iwl_trans_stop_device,
+
 	.tx_start = iwl_trans_tx_start,
 
 	.rx_free = iwl_trans_rx_free,

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

@@ -69,6 +69,11 @@ static inline int trans_start_device(struct iwl_priv *priv)
 	return priv->trans.ops->start_device(priv);
 }
 
+static inline int trans_prepare_card_hw(struct iwl_priv *priv)
+{
+	return priv->trans.ops->prepare_card_hw(priv);
+}
+
 static inline void trans_stop_device(struct iwl_priv *priv)
 {
 	priv->trans.ops->stop_device(priv);