diff options
Diffstat (limited to 'drivers/net/wireless/libertas/if_usb.c')
| -rw-r--r-- | drivers/net/wireless/libertas/if_usb.c | 26 |
1 files changed, 4 insertions, 22 deletions
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index f7d2b46340e..4d4f757a927 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -5,7 +5,6 @@ #include <linux/moduleparam.h> #include <linux/firmware.h> #include <linux/netdevice.h> -#include <linux/list.h> #include <linux/usb.h> #define DRV_NAME "usb8xxx" @@ -23,15 +22,6 @@ static const char usbdriver_name[] = "usb8xxx"; static char *lbs_fw_name = "usb8388.bin"; module_param_named(fw_name, lbs_fw_name, charp, 0644); -/* - * We need to send a RESET command to all USB devices before - * we tear down the USB connection. Otherwise we would not - * be able to re-init device the device if the module gets - * loaded again. This is a list of all initialized USB devices, - * for the reset code see if_usb_reset_device() -*/ -static LIST_HEAD(usb_devices); - static struct usb_device_id if_usb_table[] = { /* Enter the device signature inside */ { USB_DEVICE(0x1286, 0x2001) }, @@ -244,8 +234,6 @@ static int if_usb_probe(struct usb_interface *intf, if (lbs_start_card(priv)) goto err_start_card; - list_add_tail(&cardp->list, &usb_devices); - usb_get_dev(udev); usb_set_intfdata(intf, cardp); @@ -279,8 +267,6 @@ static void if_usb_disconnect(struct usb_interface *intf) /* Update Surprise removed to TRUE */ cardp->surprise_removed = 1; - list_del(&cardp->list); - if (priv) { lbs_adapter *adapter = priv->adapter; @@ -290,6 +276,10 @@ static void if_usb_disconnect(struct usb_interface *intf) lbs_remove_card(priv); } + /* this is (apparently?) necessary for future usage of the device */ + lbs_prepare_and_send_command(priv, CMD_802_11_RESET, CMD_ACT_HALT, + 0, 0, NULL); + /* Unlink and free urb */ if_usb_free(cardp); @@ -1034,16 +1024,8 @@ static int __init if_usb_init_module(void) static void __exit if_usb_exit_module(void) { - struct usb_card_rec *cardp, *cardp_temp; - lbs_deb_enter(LBS_DEB_MAIN); - list_for_each_entry_safe(cardp, cardp_temp, &usb_devices, list) { - lbs_prepare_and_send_command(cardp->priv, CMD_802_11_RESET, - CMD_ACT_HALT, 0, 0, NULL); - } - - /* API unregisters the driver from USB subsystem */ usb_deregister(&if_usb_driver); lbs_deb_leave(LBS_DEB_MAIN); |