iwlwifi: check ucode loading error and restart

Driver check alive message from ucode, if it is not ok, then need
to restart the loading process. instead of checking multiple places
for failure, only need to check in once place when receive alive
message from uCode.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

3 files changed, 6 insertions, 25 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 7c14eb31d954..ace0b98d91ae 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -251,14 +251,6 @@ static int iwl4965_set_ucode_ptrs(struct iwl_priv *priv)
 */
 static void iwl4965_init_alive_start(struct iwl_priv *priv)
 {
-	/* Check alive response for "valid" sign from uCode */
-	if (priv->card_alive_init.is_valid != UCODE_VALID_OK) {
-		/* We had an error bringing up the hardware, so take it
-		 * all the way back down so we can try again */
-		IWL_DEBUG_INFO(priv, "Initialize Alive failed.\n");
-		goto restart;
-	}
-
 	/* Bootstrap uCode has loaded initialize uCode ... verify inst image.
 	 * This is a paranoid check, because we would not have gotten the
 	 * "initialize" alive if code weren't properly loaded.  */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
index 24dabcd2a36c..d807e5e2b718 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
@@ -308,14 +308,6 @@ void iwlagn_init_alive_start(struct iwl_priv *priv)
 {
 	int ret = 0;
 
-	/* Check alive response for "valid" sign from uCode */
-	if (priv->card_alive_init.is_valid != UCODE_VALID_OK) {
-		/* We had an error bringing up the hardware, so take it
-		 * all the way back down so we can try again */
-		IWL_DEBUG_INFO(priv, "Initialize Alive failed.\n");
-		goto restart;
-	}
-
 	/* initialize uCode was loaded... verify inst image.
 	 * This is a paranoid check, because we would not have gotten the
 	 * "initialize" alive if code weren't properly loaded.  */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 646ccb2430b4..3e586d3c7d0f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -462,8 +462,12 @@ static void iwl_rx_reply_alive(struct iwl_priv *priv,
 	if (palive->is_valid == UCODE_VALID_OK)
 		queue_delayed_work(priv->workqueue, pwork,
 				   msecs_to_jiffies(5));
-	else
-		IWL_WARN(priv, "uCode did not respond OK.\n");
+	else {
+		IWL_WARN(priv, "%s uCode did not respond OK.\n",
+			(palive->ver_subtype == INITIALIZE_SUBTYPE) ?
+			"init" : "runtime");
+		queue_work(priv->workqueue, &priv->restart);
+	}
 }
 
 static void iwl_bg_beacon_update(struct work_struct *work)
@@ -2648,13 +2652,6 @@ static void iwl_alive_start(struct iwl_priv *priv)
 
 	IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
 
-	if (priv->card_alive.is_valid != UCODE_VALID_OK) {
-		/* We had an error bringing up the hardware, so take it
-		 * all the way back down so we can try again */
-		IWL_DEBUG_INFO(priv, "Alive failed.\n");
-		goto restart;
-	}
-
 	/* Initialize uCode has loaded Runtime uCode ... verify inst image.
 	 * This is a paranoid check, because we would not have gotten the
 	 * "runtime" alive if code weren't properly loaded.  */