mwifiex: replace num_cmd_timeout with is_cmd_timedout

Command timeout happens when firmware goes into bad state.
There is no chance that next command will be successful after
this. Hence we will maintain a flag instead of count.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/README

@@ -131,7 +131,7 @@ info
 	hs_configured = <0/1, host sleep not configured/configured>
 	hs_activated = <0/1, extended host sleep not activated/activated>
 	num_tx_timeout = <number of Tx timeout>
-	num_cmd_timeout = <number of timeout commands>
+	is_cmd_timedout = <0/1 command timeout not occurred/occurred>
 	timeout_cmd_id = <command id of the last timeout command>
 	timeout_cmd_act = <command action of the last timeout command>
 	last_cmd_id = <command id of the last several commands sent to device>

drivers/net/wireless/mwifiex/cmdevt.c

@@ -514,7 +514,7 @@ int mwifiex_send_cmd(struct mwifiex_private *priv, u16 cmd_no,
 		return -1;
 	}
 
-	if (adapter->num_cmd_timeout) {
+	if (adapter->is_cmd_timedout) {
 		dev_err(adapter->dev, "PREP_CMD: FW is in bad state\n");
 		return -1;
 	}
@@ -780,7 +780,7 @@ int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter)
 		return -1;
 	}
 
-	adapter->num_cmd_timeout = 0;
+	adapter->is_cmd_timedout = 0;
 
 	resp = (struct host_cmd_ds_command *) adapter->curr_cmd->resp_skb->data;
 	if (adapter->curr_cmd->cmd_flag & CMD_F_CANCELED) {
@@ -891,7 +891,7 @@ mwifiex_cmd_timeout_func(unsigned long function_context)
 	struct cmd_ctrl_node *cmd_node;
 	struct timeval tstamp;
 
-	adapter->num_cmd_timeout++;
+	adapter->is_cmd_timedout = 1;
 	if (!adapter->curr_cmd) {
 		dev_dbg(adapter->dev, "cmd: empty curr_cmd\n");
 		return;
@@ -914,8 +914,8 @@ mwifiex_cmd_timeout_func(unsigned long function_context)
 		dev_err(adapter->dev, "num_cmd_h2c_failure = %d\n",
 			adapter->dbg.num_cmd_host_to_card_failure);
 
-		dev_err(adapter->dev, "num_cmd_timeout = %d\n",
-			adapter->num_cmd_timeout);
+		dev_err(adapter->dev, "is_cmd_timedout = %d\n",
+			adapter->is_cmd_timedout);
 		dev_err(adapter->dev, "num_tx_timeout = %d\n",
 			adapter->dbg.num_tx_timeout);
 

drivers/net/wireless/mwifiex/debugfs.c

@@ -85,8 +85,8 @@ static struct mwifiex_debug_data items[] = {
 	 item_addr(hs_activated), 1},
 	{"num_tx_timeout", item_size(num_tx_timeout),
 	 item_addr(num_tx_timeout), 1},
-	{"num_cmd_timeout", item_size(num_cmd_timeout),
-	 item_addr(num_cmd_timeout), 1},
+	{"is_cmd_timedout", item_size(is_cmd_timedout),
+	 item_addr(is_cmd_timedout), 1},
 	{"timeout_cmd_id", item_size(timeout_cmd_id),
 	 item_addr(timeout_cmd_id), 1},
 	{"timeout_cmd_act", item_size(timeout_cmd_act),

drivers/net/wireless/mwifiex/ioctl.h

@@ -209,7 +209,7 @@ struct mwifiex_debug_info {
 	u32 num_cmd_assoc_success;
 	u32 num_cmd_assoc_failure;
 	u32 num_tx_timeout;
-	u32 num_cmd_timeout;
+	u8 is_cmd_timedout;
 	u16 timeout_cmd_id;
 	u16 timeout_cmd_act;
 	u16 last_cmd_id[DBG_CMD_NUM];

drivers/net/wireless/mwifiex/main.h

@@ -719,7 +719,7 @@ struct mwifiex_adapter {
 	struct cmd_ctrl_node *curr_cmd;
 	/* spin lock for command */
 	spinlock_t mwifiex_cmd_lock;
-	u32 num_cmd_timeout;
+	u8 is_cmd_timedout;
 	u16 last_init_cmd;
 	struct timer_list cmd_timer;
 	struct list_head cmd_free_q;

drivers/net/wireless/mwifiex/sta_event.c

@@ -116,7 +116,7 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code)
 	adapter->tx_lock_flag = false;
 	adapter->pps_uapsd_mode = false;
 
-	if (adapter->num_cmd_timeout && adapter->curr_cmd)
+	if (adapter->is_cmd_timedout && adapter->curr_cmd)
 		return;
 	priv->media_connected = false;
 	dev_dbg(adapter->dev,

drivers/net/wireless/mwifiex/util.c

@@ -104,7 +104,7 @@ int mwifiex_get_debug_info(struct mwifiex_private *priv,
 		info->pm_wakeup_fw_try = adapter->pm_wakeup_fw_try;
 		info->is_hs_configured = adapter->is_hs_configured;
 		info->hs_activated = adapter->hs_activated;
-		info->num_cmd_timeout = adapter->num_cmd_timeout;
+		info->is_cmd_timedout = adapter->is_cmd_timedout;
 		info->num_cmd_host_to_card_failure
 				= adapter->dbg.num_cmd_host_to_card_failure;
 		info->num_cmd_sleep_cfm_host_to_card_failure