diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c')
-rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c index e9cbfd077710..75fcd6752edc 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c @@ -160,7 +160,7 @@ struct brcmf_usbdev_info { struct usb_device *usbdev; struct device *dev; - struct mutex dev_init_lock; + struct completion dev_init_done; int ctl_in_pipe, ctl_out_pipe; struct urb *ctl_urb; /* URB for control endpoint */ @@ -445,22 +445,17 @@ fail: } -static void brcmf_usb_free_q(struct list_head *q, bool pending) +static void brcmf_usb_free_q(struct list_head *q) { struct brcmf_usbreq *req, *next; - int i = 0; + list_for_each_entry_safe(req, next, q, list) { if (!req->urb) { brcmf_err("bad req\n"); break; } - i++; - if (pending) { - usb_kill_urb(req->urb); - } else { - usb_free_urb(req->urb); - list_del_init(&req->list); - } + usb_free_urb(req->urb); + list_del_init(&req->list); } } @@ -682,12 +677,18 @@ static int brcmf_usb_up(struct device *dev) static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo) { + int i; + if (devinfo->ctl_urb) usb_kill_urb(devinfo->ctl_urb); if (devinfo->bulk_urb) usb_kill_urb(devinfo->bulk_urb); - brcmf_usb_free_q(&devinfo->tx_postq, true); - brcmf_usb_free_q(&devinfo->rx_postq, true); + if (devinfo->tx_reqs) + for (i = 0; i < devinfo->bus_pub.ntxq; i++) + usb_kill_urb(devinfo->tx_reqs[i].urb); + if (devinfo->rx_reqs) + for (i = 0; i < devinfo->bus_pub.nrxq; i++) + usb_kill_urb(devinfo->rx_reqs[i].urb); } static void brcmf_usb_down(struct device *dev) @@ -1023,8 +1024,8 @@ static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo) brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo); /* free the URBS */ - brcmf_usb_free_q(&devinfo->rx_freeq, false); - brcmf_usb_free_q(&devinfo->tx_freeq, false); + brcmf_usb_free_q(&devinfo->rx_freeq); + brcmf_usb_free_q(&devinfo->tx_freeq); usb_free_urb(devinfo->ctl_urb); usb_free_urb(devinfo->bulk_urb); @@ -1193,11 +1194,11 @@ static void brcmf_usb_probe_phase2(struct device *dev, int ret, if (ret) goto error; - mutex_unlock(&devinfo->dev_init_lock); + complete(&devinfo->dev_init_done); return; error: brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret); - mutex_unlock(&devinfo->dev_init_lock); + complete(&devinfo->dev_init_done); device_release_driver(dev); } @@ -1265,7 +1266,7 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) if (ret) goto fail; /* we are done */ - mutex_unlock(&devinfo->dev_init_lock); + complete(&devinfo->dev_init_done); return 0; } bus->chip = bus_pub->devid; @@ -1325,11 +1326,10 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) devinfo->usbdev = usb; devinfo->dev = &usb->dev; - /* Take an init lock, to protect for disconnect while still loading. + /* Init completion, to protect for disconnect while still loading. * Necessary because of the asynchronous firmware load construction */ - mutex_init(&devinfo->dev_init_lock); - mutex_lock(&devinfo->dev_init_lock); + init_completion(&devinfo->dev_init_done); usb_set_intfdata(intf, devinfo); @@ -1407,7 +1407,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) return 0; fail: - mutex_unlock(&devinfo->dev_init_lock); + complete(&devinfo->dev_init_done); kfree(devinfo); usb_set_intfdata(intf, NULL); return ret; @@ -1422,7 +1422,7 @@ brcmf_usb_disconnect(struct usb_interface *intf) devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf); if (devinfo) { - mutex_lock(&devinfo->dev_init_lock); + wait_for_completion(&devinfo->dev_init_done); /* Make sure that devinfo still exists. Firmware probe routines * may have released the device and cleared the intfdata. */ |