iwlwifi: introduce host commands callbacks

This patch adds place holder for host command handlers
for supporting different implementations per HW
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -4905,6 +4905,10 @@ void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv)
 	cancel_delayed_work(&priv->init_alive_start);
 }
 
+
+static struct iwl_hcmd_ops iwl4965_hcmd = {
+};
+
 static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = {
 	.enqueue_hcmd = iwl4965_enqueue_hcmd,
 };
@@ -4927,6 +4931,7 @@ static struct iwl_lib_ops iwl4965_lib = {
 
 static struct iwl_ops iwl4965_ops = {
 	.lib = &iwl4965_lib,
+	.hcmd = &iwl4965_hcmd,
 	.utils = &iwl4965_hcmd_utils,
 };
 

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

@@ -82,6 +82,8 @@ struct iwl_cmd;
 #define IWL_SKU_A       0x2
 #define IWL_SKU_N       0x8
 
+struct iwl_hcmd_ops {
+};
 struct iwl_hcmd_utils_ops {
 	int (*enqueue_hcmd)(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 };
@@ -111,6 +113,7 @@ struct iwl_lib_ops {
 
 struct iwl_ops {
 	const struct iwl_lib_ops *lib;
+	const struct iwl_hcmd_ops *hcmd;
 	const struct iwl_hcmd_utils_ops *utils;
 };