mwifiex: remove unnecessary rx_q lock
SKB lists have their own lock. So this lock is not needed.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index f7c97cf..580aa45 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -447,7 +447,6 @@
spin_lock_init(&adapter->cmd_free_q_lock);
spin_lock_init(&adapter->cmd_pending_q_lock);
spin_lock_init(&adapter->scan_pending_q_lock);
- spin_lock_init(&adapter->rx_q_lock);
spin_lock_init(&adapter->rx_proc_lock);
skb_queue_head_init(&adapter->usb_rx_data_q);
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 022486e..e263574 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -764,8 +764,6 @@
struct list_head scan_pending_q;
/* spin lock for scan_pending_q */
spinlock_t scan_pending_q_lock;
- /* spin lock for RX queue */
- spinlock_t rx_q_lock;
/* spin lock for RX processing routine */
spinlock_t rx_proc_lock;
struct sk_buff_head usb_rx_data_q;
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 74c0db9..c3a20f9 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1237,7 +1237,6 @@
struct sk_buff *skb_tmp = NULL;
struct mwifiex_pcie_buf_desc *desc;
struct mwifiex_pfu_buf_desc *desc2;
- unsigned long flags;
if (!mwifiex_pcie_ok_to_access_hw(adapter))
mwifiex_pm_wakeup_card(adapter);
@@ -1289,10 +1288,7 @@
card->rxbd_rdptr, wrptr, rx_len);
skb_pull(skb_data, INTF_HEADER_LEN);
if (adapter->rx_work_enabled) {
- spin_lock_irqsave(&adapter->rx_q_lock, flags);
skb_queue_tail(&adapter->rx_data_q, skb_data);
- spin_unlock_irqrestore(&adapter->rx_q_lock,
- flags);
adapter->data_received = true;
atomic_inc(&adapter->rx_pending);
} else {
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index ea8fc58..db9e4e3 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -1039,7 +1039,6 @@
struct sk_buff *skb, u32 upld_typ)
{
u8 *cmd_buf;
- unsigned long flags;
__le16 *curr_ptr = (__le16 *)skb->data;
u16 pkt_len = le16_to_cpu(*curr_ptr);
@@ -1050,9 +1049,7 @@
case MWIFIEX_TYPE_DATA:
dev_dbg(adapter->dev, "info: --- Rx: Data packet ---\n");
if (adapter->rx_work_enabled) {
- spin_lock_irqsave(&adapter->rx_q_lock, flags);
skb_queue_tail(&adapter->rx_data_q, skb);
- spin_unlock_irqrestore(&adapter->rx_q_lock, flags);
adapter->data_received = true;
atomic_inc(&adapter->rx_pending);
} else {
