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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c99
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h3
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c4
3 files changed, 56 insertions, 50 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index d778f52132cb..64b28b01ad86 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -890,10 +890,8 @@ void iwl_print_rx_config_cmd(struct iwl_priv *priv,
IWL_DEBUG_RADIO(priv, "u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id));
}
#endif
-/**
- * iwl_irq_handle_error - called for HW or SW error interrupt from card
- */
-void iwl_irq_handle_error(struct iwl_priv *priv)
+
+void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
{
unsigned int reload_msec;
unsigned long reload_jiffies;
@@ -904,18 +902,62 @@ void iwl_irq_handle_error(struct iwl_priv *priv)
/* Cancel currently queued command. */
clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
+ /* Keep the restart process from trying to send host
+ * commands by clearing the ready bit */
+ clear_bit(STATUS_READY, &priv->status);
+
+ wake_up_interruptible(&priv->wait_command_queue);
+
+ if (!ondemand) {
+ /*
+ * If firmware keep reloading, then it indicate something
+ * serious wrong and firmware having problem to recover
+ * from it. Instead of keep trying which will fill the syslog
+ * and hang the system, let's just stop it
+ */
+ reload_jiffies = jiffies;
+ reload_msec = jiffies_to_msecs((long) reload_jiffies -
+ (long) priv->reload_jiffies);
+ priv->reload_jiffies = reload_jiffies;
+ if (reload_msec <= IWL_MIN_RELOAD_DURATION) {
+ priv->reload_count++;
+ if (priv->reload_count >= IWL_MAX_CONTINUE_RELOAD_CNT) {
+ IWL_ERR(priv, "BUG_ON, Stop restarting\n");
+ return;
+ }
+ } else
+ priv->reload_count = 0;
+ }
+
+ if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) {
+ if (priv->cfg->mod_params->restart_fw) {
+ IWL_DEBUG(priv, IWL_DL_FW_ERRORS,
+ "Restarting adapter due to uCode error.\n");
+ queue_work(priv->workqueue, &priv->restart);
+ } else
+ IWL_DEBUG(priv, IWL_DL_FW_ERRORS,
+ "Detected FW error, but not restarting\n");
+ }
+}
+
+/**
+ * iwl_irq_handle_error - called for HW or SW error interrupt from card
+ */
+void iwl_irq_handle_error(struct iwl_priv *priv)
+{
/* W/A for WiFi/WiMAX coex and WiMAX own the RF */
if (priv->cfg->internal_wimax_coex &&
(!(iwl_read_prph(priv, APMG_CLK_CTRL_REG) &
APMS_CLK_VAL_MRB_FUNC_MODE) ||
(iwl_read_prph(priv, APMG_PS_CTRL_REG) &
APMG_PS_CTRL_VAL_RESET_REQ))) {
- wake_up_interruptible(&priv->wait_command_queue);
/*
- *Keep the restart process from trying to send host
- * commands by clearing the INIT status bit
+ * Keep the restart process from trying to send host
+ * commands by clearing the ready bit.
*/
clear_bit(STATUS_READY, &priv->status);
+ clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
+ wake_up_interruptible(&priv->wait_command_queue);
IWL_ERR(priv, "RF is used by WiMAX\n");
return;
}
@@ -935,38 +977,7 @@ void iwl_irq_handle_error(struct iwl_priv *priv)
&priv->contexts[IWL_RXON_CTX_BSS]);
#endif
- wake_up_interruptible(&priv->wait_command_queue);
-
- /* Keep the restart process from trying to send host
- * commands by clearing the INIT status bit */
- clear_bit(STATUS_READY, &priv->status);
-
- /*
- * If firmware keep reloading, then it indicate something
- * serious wrong and firmware having problem to recover
- * from it. Instead of keep trying which will fill the syslog
- * and hang the system, let's just stop it
- */
- reload_jiffies = jiffies;
- reload_msec = jiffies_to_msecs((long) reload_jiffies -
- (long) priv->reload_jiffies);
- priv->reload_jiffies = reload_jiffies;
- if (reload_msec <= IWL_MIN_RELOAD_DURATION) {
- priv->reload_count++;
- if (priv->reload_count >= IWL_MAX_CONTINUE_RELOAD_CNT) {
- IWL_ERR(priv, "BUG_ON, Stop restarting\n");
- return;
- }
- } else
- priv->reload_count = 0;
-
- if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) {
- IWL_DEBUG(priv, IWL_DL_FW_ERRORS,
- "Restarting adapter due to uCode error.\n");
-
- if (priv->cfg->mod_params->restart_fw)
- queue_work(priv->workqueue, &priv->restart);
- }
+ iwlagn_fw_error(priv, false);
}
static int iwl_apm_stop_master(struct iwl_priv *priv)
@@ -1755,15 +1766,7 @@ int iwl_force_reset(struct iwl_priv *priv, int mode, bool external)
break;
}
IWL_ERR(priv, "On demand firmware reload\n");
- /* Set the FW error flag -- cleared on iwl_down */
- set_bit(STATUS_FW_ERROR, &priv->status);
- wake_up_interruptible(&priv->wait_command_queue);
- /*
- * Keep the restart process from trying to send host
- * commands by clearing the INIT status bit
- */
- clear_bit(STATUS_READY, &priv->status);
- queue_work(priv->workqueue, &priv->restart);
+ iwlagn_fw_error(priv, true);
break;
}
return 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 46c90b3cc30a..8bc23468d82c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -729,4 +729,7 @@ static inline bool iwl_bt_statistics(struct iwl_priv *priv)
extern bool bt_coex_active;
extern bool bt_siso_mode;
+
+void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand);
+
#endif /* __iwl_core_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 39a4180ee854..fa81df22a103 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -474,7 +474,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
}
if (!is_ct_kill) {
IWL_ERR(priv, "Restarting adapter due to queue full\n");
- queue_work(priv->workqueue, &priv->restart);
+ iwlagn_fw_error(priv, false);
}
return -ENOSPC;
}
@@ -582,7 +582,7 @@ static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id,
if (nfreed++ > 0) {
IWL_ERR(priv, "HCMD skipped: index (%d) %d %d\n", idx,
q->write_ptr, q->read_ptr);
- queue_work(priv->workqueue, &priv->restart);
+ iwlagn_fw_error(priv, false);
}
}