[PATCH] libertas: move reset_device() code main.c to if_usb.c

The reset_device() logic is only needed for USB devices, not for CF
devices.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 35 insertions, 2 deletions

diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index bf7ef6582c59..99f4ba35d6ef 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -17,6 +17,10 @@
 
 static const char usbdriver_name[] = "usb8xxx";
 
+#define MAX_DEVS 5
+static struct net_device *libertas_devs[MAX_DEVS];
+static int libertas_found = 0;
+
 static struct usb_device_id if_usb_table[] = {
         /* Enter the device signature inside */
         { USB_DEVICE(0x1286, 0x2001) },
@@ -28,6 +32,7 @@ MODULE_DEVICE_TABLE(usb, if_usb_table);
 
 static void if_usb_receive(struct urb *urb);
 static void if_usb_receive_fwload(struct urb *urb);
+static int reset_device(wlan_private *priv);
 
 /**
  *  @brief  call back function to handle the status of the URB
@@ -189,6 +194,12 @@ static int if_usb_probe(struct usb_interface *intf,
          */
         if (!(priv = wlan_add_card(usb_cardp)))
                 goto dealloc;
+
+        if (libertas_found < MAX_DEVS) {
+                libertas_devs[libertas_found] = priv->wlan_dev.netdev;
+                libertas_found++;
+        }
+
         if (wlan_add_mesh(priv))
                 goto dealloc;
 
@@ -220,6 +231,7 @@ static void if_usb_disconnect(struct usb_interface *intf)
         struct usb_card_rec *cardp = usb_get_intfdata(intf);
         wlan_private *priv = (wlan_private *) cardp->priv;
         wlan_adapter *adapter = NULL;
+        int i;
 
         adapter = priv->adapter;
 
@@ -228,6 +240,14 @@ static void if_usb_disconnect(struct usb_interface *intf)
          */
         adapter->surpriseremoved = 1;
 
+        for (i = 0; i<libertas_found; i++) {
+                if (libertas_devs[i]==priv->wlan_dev.netdev) {
+                        libertas_devs[i] = libertas_devs[--libertas_found];
+                        libertas_devs[libertas_found] = NULL ;
+                        break;
+                }
+        }
+
         /* card is removed and we can call wlan_remove_card */
         lbs_deb_usbd(&cardp->udev->dev, "call remove card\n");
         wlan_remove_mesh(priv);
@@ -330,12 +350,17 @@ static int libertas_do_reset(wlan_private *priv)
         int ret;
         struct usb_card_rec *cardp = priv->wlan_dev.card;
 
+        lbs_deb_enter(LBS_DEB_USB);
+
         ret = usb_reset_device(cardp->udev);
         if (!ret) {
                 msleep(10);
                 reset_device(priv);
                 msleep(10);
         }
+
+        lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
+
         return ret;
 }
 
@@ -718,14 +743,16 @@ int libertas_sbi_read_event_cause(wlan_private * priv)
         return 0;
 }
 
-int reset_device(wlan_private *priv)
+static int reset_device(wlan_private *priv)
 {
         int ret;
 
+        lbs_deb_enter(LBS_DEB_USB);
         ret = libertas_prepare_and_send_command(priv, cmd_802_11_reset,
                                     cmd_act_halt, 0, 0, NULL);
         msleep_interruptible(10);
 
+        lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
         return ret;
 }
 
@@ -935,7 +962,13 @@ int libertas_sbi_register(void)
  */
 void libertas_sbi_unregister(void)
 {
+        int i;
+
+        for (i = 0; i<libertas_found; i++) {
+                wlan_private *priv = libertas_devs[i]->priv;
+                reset_device(priv);
+        }
+
         /* API unregisters the driver from USB subsystem */
         usb_deregister(&if_usb_driver);
-        return;
 }