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libertas: implement suspend/resume for USB devices
Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -242,6 +242,10 @@ static int if_usb_probe(struct usb_interface *intf,
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if_usb_set_boot2_ver(priv);
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if_usb_set_boot2_ver(priv);
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/* Set suspend/resume configuration:
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wake via GPIO2 after a 20ms delay */
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lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA, 2, 20);
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usb_get_dev(udev);
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usb_get_dev(udev);
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usb_set_intfdata(intf, cardp);
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usb_set_intfdata(intf, cardp);
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@ -969,21 +973,24 @@ static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
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{
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{
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struct usb_card_rec *cardp = usb_get_intfdata(intf);
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struct usb_card_rec *cardp = usb_get_intfdata(intf);
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struct lbs_private *priv = cardp->priv;
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struct lbs_private *priv = cardp->priv;
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int ret;
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lbs_deb_enter(LBS_DEB_USB);
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lbs_deb_enter(LBS_DEB_USB);
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if (priv->psstate != PS_STATE_FULL_POWER)
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if (priv->psstate != PS_STATE_FULL_POWER)
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return -1;
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return -1;
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netif_device_detach(priv->dev);
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ret = lbs_suspend(priv);
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netif_device_detach(priv->mesh_dev);
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if (ret)
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goto out;
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/* Unlink tx & rx urb */
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/* Unlink tx & rx urb */
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usb_kill_urb(cardp->tx_urb);
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usb_kill_urb(cardp->tx_urb);
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usb_kill_urb(cardp->rx_urb);
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usb_kill_urb(cardp->rx_urb);
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out:
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lbs_deb_leave(LBS_DEB_USB);
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lbs_deb_leave(LBS_DEB_USB);
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return 0;
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return ret;
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}
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}
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static int if_usb_resume(struct usb_interface *intf)
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static int if_usb_resume(struct usb_interface *intf)
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@ -995,8 +1002,7 @@ static int if_usb_resume(struct usb_interface *intf)
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if_usb_submit_rx_urb(cardp);
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if_usb_submit_rx_urb(cardp);
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netif_device_attach(priv->dev);
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lbs_resume(priv);
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netif_device_attach(priv->mesh_dev);
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lbs_deb_leave(LBS_DEB_USB);
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lbs_deb_leave(LBS_DEB_USB);
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return 0;
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return 0;
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