diff options
Diffstat (limited to 'drivers/net/irda/irda-usb.c')
| -rw-r--r-- | drivers/net/irda/irda-usb.c | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index 006ba23110db..0c0831c03f64 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -389,7 +389,6 @@ static int irda_usb_hard_xmit(struct sk_buff *skb, struct net_device *netdev) s32 speed; s16 xbofs; int res, mtt; - int err = 1; /* Failed */ IRDA_DEBUG(4, "%s() on %s\n", __func__, netdev->name); @@ -430,7 +429,6 @@ static int irda_usb_hard_xmit(struct sk_buff *skb, struct net_device *netdev) irda_usb_change_speed_xbofs(self); netdev->trans_start = jiffies; /* Will netif_wake_queue() in callback */ - err = 0; /* No error */ goto drop; } } @@ -542,7 +540,7 @@ drop: /* Drop silently the skb and exit */ dev_kfree_skb(skb); spin_unlock_irqrestore(&self->lock, flags); - return err; /* Usually 1 */ + return NETDEV_TX_OK; } /*------------------------------------------------------------------*/ @@ -1859,6 +1857,42 @@ static void irda_usb_disconnect(struct usb_interface *intf) IRDA_DEBUG(0, "%s(), USB IrDA Disconnected\n", __func__); } +#ifdef CONFIG_PM +/* USB suspend, so power off the transmitter/receiver */ +static int irda_usb_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct irda_usb_cb *self = usb_get_intfdata(intf); + int i; + + netif_device_detach(self->netdev); + + if (self->tx_urb != NULL) + usb_kill_urb(self->tx_urb); + if (self->speed_urb != NULL) + usb_kill_urb(self->speed_urb); + for (i = 0; i < self->max_rx_urb; i++) { + if (self->rx_urb[i] != NULL) + usb_kill_urb(self->rx_urb[i]); + } + return 0; +} + +/* Coming out of suspend, so reset hardware */ +static int irda_usb_resume(struct usb_interface *intf) +{ + struct irda_usb_cb *self = usb_get_intfdata(intf); + int i; + + for (i = 0; i < self->max_rx_urb; i++) { + if (self->rx_urb[i] != NULL) + usb_submit_urb(self->rx_urb[i], GFP_KERNEL); + } + + netif_device_attach(self->netdev); + return 0; +} +#endif + /*------------------------------------------------------------------*/ /* * USB device callbacks @@ -1868,6 +1902,10 @@ static struct usb_driver irda_driver = { .probe = irda_usb_probe, .disconnect = irda_usb_disconnect, .id_table = dongles, +#ifdef CONFIG_PM + .suspend = irda_usb_suspend, + .resume = irda_usb_resume, +#endif }; /************************* MODULE CALLBACKS *************************/ |