iwlwifi: virtualize nic_config

The nic_config sets uCode dependent register
bits, so it must be virtual in the op_mode.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -1422,6 +1422,13 @@ static void iwl_cmd_queue_full(struct iwl_op_mode *op_mode)
 	}
 }
 
+static void iwl_nic_config(struct iwl_op_mode *op_mode)
+{
+	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
+
+	cfg(priv)->lib->nic_config(priv);
+}
+
 const struct iwl_op_mode_ops iwl_dvm_ops = {
 	.start = iwl_op_mode_dvm_start,
 	.stop = iwl_op_mode_dvm_stop,
@@ -1432,6 +1439,7 @@ const struct iwl_op_mode_ops iwl_dvm_ops = {
 	.free_skb = iwl_free_skb,
 	.nic_error = iwl_nic_error,
 	.cmd_queue_full = iwl_cmd_queue_full,
+	.nic_config = iwl_nic_config,
 };
 
 /*****************************************************************************

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

@@ -1468,11 +1468,6 @@ void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
 	wiphy_rfkill_set_hw_state(priv->hw->wiphy, state);
 }
 
-void iwl_nic_config(struct iwl_priv *priv)
-{
-	cfg(priv)->lib->nic_config(priv);
-}
-
 void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
 {
 	struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);

drivers/net/wireless/iwlwifi/iwl-op-mode.h

@@ -123,6 +123,8 @@ struct iwl_fw;
  *	Must be atomic
  * @nic_error: error notification. Must be atomic
  * @cmd_queue_full: Called when the command queue gets full. Must be atomic.
+ * @nic_config: configure NIC, called before firmware is started.
+ *	May sleep
  */
 struct iwl_op_mode_ops {
 	struct iwl_op_mode *(*start)(struct iwl_trans *trans,
@@ -136,6 +138,7 @@ struct iwl_op_mode_ops {
 	void (*free_skb)(struct iwl_op_mode *op_mode, struct sk_buff *skb);
 	void (*nic_error)(struct iwl_op_mode *op_mode);
 	void (*cmd_queue_full)(struct iwl_op_mode *op_mode);
+	void (*nic_config)(struct iwl_op_mode *op_mode);
 };
 
 /**
@@ -199,6 +202,12 @@ static inline void iwl_op_mode_cmd_queue_full(struct iwl_op_mode *op_mode)
 	op_mode->ops->cmd_queue_full(op_mode);
 }
 
+static inline void iwl_op_mode_nic_config(struct iwl_op_mode *op_mode)
+{
+	might_sleep();
+	op_mode->ops->nic_config(op_mode);
+}
+
 /*****************************************************
 * Op mode layers implementations
 ******************************************************/

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

@@ -418,7 +418,6 @@ enum iwl_rxon_context_id {
 };
 
 int iwlagn_hw_valid_rtc_data_addr(u32 addr);
-void iwl_nic_config(struct iwl_priv *priv);
 const char *get_cmd_string(u8 cmd);
 
 #define IWL_CMD(x) case x: return #x

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

@@ -816,7 +816,7 @@ static int iwl_nic_init(struct iwl_trans *trans)
 
 	iwl_set_pwr_vmain(trans);
 
-	iwl_nic_config(priv(trans));
+	iwl_op_mode_nic_config(trans->op_mode);
 
 #ifndef CONFIG_IWLWIFI_IDI
 	/* Allocate the RX queue, or reset if it is already allocated */