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[2/4] mwifiex: fix command timeout for PCIe chipsets

Message ID 1437566025-3324-2-git-send-email-akarwar@marvell.com (mailing list archive)
State Accepted
Delegated to: Kalle Valo
Headers show

Commit Message

Amitkumar Karwar July 22, 2015, 11:53 a.m. UTC 
From: Zhaoyang Liu <liuzy@marvell.com>

When WLAN interface is up and running, driver unload and
load was causing command timeout error.

We enable Rx data by updating RX ring read pointer in
init_fw_port(). It should be done when FW is completely
intialialised. Command timeout is fixed in this patch by
moving init_fw_port() call to mwifiex_init_fw_complete().

Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
---
 drivers/net/wireless/mwifiex/init.c | 5 -----
 drivers/net/wireless/mwifiex/util.c | 4 ++++
 2 files changed, 4 insertions(+), 5 deletions(-)
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Patch

diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index 8fa363a..7a970c2 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -551,11 +551,6 @@  int mwifiex_init_fw(struct mwifiex_adapter *adapter)
 		}
 	}
 
-	if (adapter->if_ops.init_fw_port) {
-		if (adapter->if_ops.init_fw_port(adapter))
-			return -1;
-	}
-
 	for (i = 0; i < adapter->priv_num; i++) {
 		if (adapter->priv[i]) {
 			ret = mwifiex_sta_init_cmd(adapter->priv[i], first_sta,
diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c
index 2504e42..46f12d3 100644
--- a/drivers/net/wireless/mwifiex/util.c
+++ b/drivers/net/wireless/mwifiex/util.c
@@ -126,6 +126,10 @@  static int num_of_items = ARRAY_SIZE(items);
 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter)
 {
 
+	if (adapter->hw_status == MWIFIEX_HW_STATUS_READY)
+		if (adapter->if_ops.init_fw_port)
+			adapter->if_ops.init_fw_port(adapter);
+
 	adapter->init_wait_q_woken = true;
 	wake_up_interruptible(&adapter->init_wait_q);
 	return 0;