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path: root/drivers/net/wireless/brcm80211/brcmfmac/usb.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/usb.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/usb.c43
1 files changed, 24 insertions, 19 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
index 914c56fe6c5f..42289e9ea886 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
@@ -354,11 +354,10 @@ brcmf_usbdev_qinit(struct list_head *q, int qsize)
int i;
struct brcmf_usbreq *req, *reqs;
- reqs = kzalloc(sizeof(struct brcmf_usbreq) * qsize, GFP_ATOMIC);
- if (reqs == NULL) {
- brcmf_err("fail to allocate memory!\n");
+ reqs = kcalloc(qsize, sizeof(struct brcmf_usbreq), GFP_ATOMIC);
+ if (reqs == NULL)
return NULL;
- }
+
req = reqs;
for (i = 0; i < qsize; i++) {
@@ -421,10 +420,6 @@ static void brcmf_usb_tx_complete(struct urb *urb)
brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status,
req->skb);
brcmf_usb_del_fromq(devinfo, req);
- if (urb->status == 0)
- devinfo->bus_pub.bus->dstats.tx_packets++;
- else
- devinfo->bus_pub.bus->dstats.tx_errors++;
brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0);
@@ -443,30 +438,25 @@ static void brcmf_usb_rx_complete(struct urb *urb)
struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context;
struct brcmf_usbdev_info *devinfo = req->devinfo;
struct sk_buff *skb;
- int ifidx = 0;
+ struct sk_buff_head skbq;
brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status);
brcmf_usb_del_fromq(devinfo, req);
skb = req->skb;
req->skb = NULL;
- if (urb->status == 0) {
- devinfo->bus_pub.bus->dstats.rx_packets++;
- } else {
- devinfo->bus_pub.bus->dstats.rx_errors++;
+ /* zero lenght packets indicate usb "failure". Do not refill */
+ if (urb->status != 0 || !urb->actual_length) {
brcmu_pkt_buf_free_skb(skb);
brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL);
return;
}
if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) {
+ skb_queue_head_init(&skbq);
+ skb_queue_tail(&skbq, skb);
skb_put(skb, urb->actual_length);
- if (brcmf_proto_hdrpull(devinfo->dev, &ifidx, skb) != 0) {
- brcmf_err("rx protocol error\n");
- brcmu_pkt_buf_free_skb(skb);
- devinfo->bus_pub.bus->dstats.rx_errors++;
- } else
- brcmf_rx_packet(devinfo->dev, ifidx, skb);
+ brcmf_rx_frames(devinfo->dev, &skbq);
brcmf_usb_rx_refill(devinfo, req);
} else {
brcmu_pkt_buf_free_skb(skb);
@@ -1259,6 +1249,8 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo)
bus->bus_priv.usb = bus_pub;
dev_set_drvdata(dev, bus);
bus->ops = &brcmf_usb_bus_ops;
+ bus->chip = bus_pub->devid;
+ bus->chiprev = bus_pub->chiprev;
/* Attach to the common driver interface */
ret = brcmf_attach(0, dev);
@@ -1520,10 +1512,23 @@ static void brcmf_release_fw(struct list_head *q)
}
}
+static int brcmf_usb_reset_device(struct device *dev, void *notused)
+{
+ /* device past is the usb interface so we
+ * need to use parent here.
+ */
+ brcmf_dev_reset(dev->parent);
+ return 0;
+}
void brcmf_usb_exit(void)
{
+ struct device_driver *drv = &brcmf_usbdrvr.drvwrap.driver;
+ int ret;
+
brcmf_dbg(USB, "Enter\n");
+ ret = driver_for_each_device(drv, NULL, NULL,
+ brcmf_usb_reset_device);
usb_deregister(&brcmf_usbdrvr);
brcmf_release_fw(&fw_image_list);
}