mwifiex: add support for Marvell USB8797 chipset
This patch supports Avastar 88W8797 chipset with USB interface.
The corresponding firmware image file is located at:
"mrvl/usb8797_uapsta.bin"
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Frank Huang <frankh@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 0d55c5b..d440c3e 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -188,10 +188,10 @@
adapter->cmd_sent = false;
- if (adapter->iface_type == MWIFIEX_PCIE)
- adapter->data_sent = false;
- else
+ if (adapter->iface_type == MWIFIEX_SDIO)
adapter->data_sent = true;
+ else
+ adapter->data_sent = false;
adapter->cmd_resp_received = false;
adapter->event_received = false;
@@ -379,7 +379,8 @@
dev_dbg(adapter->dev, "info: free scan table\n");
- adapter->if_ops.cleanup_if(adapter);
+ if (adapter->if_ops.cleanup_if)
+ adapter->if_ops.cleanup_if(adapter);
if (adapter->sleep_cfm)
dev_kfree_skb_any(adapter->sleep_cfm);
@@ -419,6 +420,8 @@
spin_lock_init(&adapter->cmd_pending_q_lock);
spin_lock_init(&adapter->scan_pending_q_lock);
+ skb_queue_head_init(&adapter->usb_rx_data_q);
+
for (i = 0; i < adapter->priv_num; ++i) {
INIT_LIST_HEAD(&adapter->bss_prio_tbl[i].bss_prio_head);
adapter->bss_prio_tbl[i].bss_prio_cur = NULL;
@@ -574,6 +577,7 @@
struct mwifiex_private *priv;
s32 i;
unsigned long flags;
+ struct sk_buff *skb;
/* mwifiex already shutdown */
if (adapter->hw_status == MWIFIEX_HW_STATUS_NOT_READY)
@@ -601,6 +605,18 @@
spin_lock_irqsave(&adapter->mwifiex_lock, flags);
+ if (adapter->if_ops.data_complete) {
+ while ((skb = skb_dequeue(&adapter->usb_rx_data_q))) {
+ struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb);
+
+ priv = adapter->priv[rx_info->bss_num];
+ if (priv)
+ priv->stats.rx_dropped++;
+
+ adapter->if_ops.data_complete(adapter, skb);
+ }
+ }
+
/* Free adapter structure */
mwifiex_free_adapter(adapter);
@@ -630,24 +646,28 @@
int ret;
u32 poll_num = 1;
- adapter->winner = 0;
+ if (adapter->if_ops.check_fw_status) {
+ adapter->winner = 0;
- /* Check if firmware is already running */
- ret = adapter->if_ops.check_fw_status(adapter, poll_num);
- if (!ret) {
- dev_notice(adapter->dev,
- "WLAN FW already running! Skip FW download\n");
- goto done;
- }
- poll_num = MAX_FIRMWARE_POLL_TRIES;
+ /* check if firmware is already running */
+ ret = adapter->if_ops.check_fw_status(adapter, poll_num);
+ if (!ret) {
+ dev_notice(adapter->dev,
+ "WLAN FW already running! Skip FW dnld\n");
+ goto done;
+ }
- /* Check if we are the winner for downloading FW */
- if (!adapter->winner) {
- dev_notice(adapter->dev,
- "Other intf already running! Skip FW download\n");
- poll_num = MAX_MULTI_INTERFACE_POLL_TRIES;
- goto poll_fw;
+ poll_num = MAX_FIRMWARE_POLL_TRIES;
+
+ /* check if we are the winner for downloading FW */
+ if (!adapter->winner) {
+ dev_notice(adapter->dev,
+ "FW already running! Skip FW dnld\n");
+ poll_num = MAX_MULTI_INTERFACE_POLL_TRIES;
+ goto poll_fw;
+ }
}
+
if (pmfw) {
/* Download firmware with helper */
ret = adapter->if_ops.prog_fw(adapter, pmfw);
@@ -666,6 +686,8 @@
}
done:
/* re-enable host interrupt for mwifiex after fw dnld is successful */
- adapter->if_ops.enable_int(adapter);
+ if (adapter->if_ops.enable_int)
+ adapter->if_ops.enable_int(adapter);
+
return ret;
}