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path: root/drivers/net/wireless/mwifiex/cmdevt.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/cmdevt.c')
-rw-r--r--drivers/net/wireless/mwifiex/cmdevt.c35
1 files changed, 25 insertions, 10 deletions
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index 9a1302bd4c0..da469c336aa 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -153,7 +153,7 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv,
" or cmd size is 0, not sending\n");
if (cmd_node->wait_q_enabled)
adapter->cmd_wait_q.status = -1;
- mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+ mwifiex_recycle_cmd_node(adapter, cmd_node);
return -1;
}
@@ -167,7 +167,7 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv,
"DNLD_CMD: FW in reset state, ignore cmd %#x\n",
cmd_code);
mwifiex_complete_cmd(adapter, cmd_node);
- mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+ mwifiex_recycle_cmd_node(adapter, cmd_node);
return -1;
}
@@ -228,7 +228,7 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv,
adapter->cmd_sent = false;
if (cmd_node->wait_q_enabled)
adapter->cmd_wait_q.status = -1;
- mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd);
+ mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
adapter->curr_cmd = NULL;
@@ -632,6 +632,20 @@ mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags);
}
+/* This function reuses a command node. */
+void mwifiex_recycle_cmd_node(struct mwifiex_adapter *adapter,
+ struct cmd_ctrl_node *cmd_node)
+{
+ struct host_cmd_ds_command *host_cmd = (void *)cmd_node->cmd_skb->data;
+
+ mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+
+ atomic_dec(&adapter->cmd_pending);
+ dev_dbg(adapter->dev, "cmd: FREE_CMD: cmd=%#x, cmd_pending=%d\n",
+ le16_to_cpu(host_cmd->command),
+ atomic_read(&adapter->cmd_pending));
+}
+
/*
* This function queues a command to the command pending queue.
*
@@ -673,7 +687,9 @@ mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
list_add(&cmd_node->list, &adapter->cmd_pending_q);
spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags);
- dev_dbg(adapter->dev, "cmd: QUEUE_CMD: cmd=%#x is queued\n", command);
+ atomic_inc(&adapter->cmd_pending);
+ dev_dbg(adapter->dev, "cmd: QUEUE_CMD: cmd=%#x, cmd_pending=%d\n",
+ command, atomic_read(&adapter->cmd_pending));
}
/*
@@ -783,7 +799,7 @@ int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter)
if (adapter->curr_cmd->cmd_flag & CMD_F_CANCELED) {
dev_err(adapter->dev, "CMD_RESP: %#x been canceled\n",
le16_to_cpu(resp->command));
- mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd);
+ mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
adapter->curr_cmd = NULL;
spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
@@ -833,7 +849,7 @@ int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter)
if (adapter->curr_cmd->wait_q_enabled)
adapter->cmd_wait_q.status = -1;
- mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd);
+ mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
adapter->curr_cmd = NULL;
spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
@@ -865,8 +881,7 @@ int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter)
if (adapter->curr_cmd->wait_q_enabled)
adapter->cmd_wait_q.status = ret;
- /* Clean up and put current command back to cmd_free_q */
- mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd);
+ mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
adapter->curr_cmd = NULL;
@@ -993,7 +1008,7 @@ mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter)
mwifiex_complete_cmd(adapter, cmd_node);
cmd_node->wait_q_enabled = false;
}
- mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+ mwifiex_recycle_cmd_node(adapter, cmd_node);
spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags);
}
spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags);
@@ -1040,7 +1055,7 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter)
cmd_node = adapter->curr_cmd;
cmd_node->wait_q_enabled = false;
cmd_node->cmd_flag |= CMD_F_CANCELED;
- mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+ mwifiex_recycle_cmd_node(adapter, cmd_node);
mwifiex_complete_cmd(adapter, adapter->curr_cmd);
adapter->curr_cmd = NULL;
spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags);