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usbnet: Support devices reporting idleness

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Some device types support a form of power management in which
the device suggests to the host that the device may be suspended
now. Support for that is best located in usbnet.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Oliver Neukum 2012-10-11 02:50:10 +00:00 • committed by David S. Miller
parent e7d491a19d
commit 5d9d01a302
3 changed files with 23 additions and 0 deletions
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2
include/linux/usb/usbnet.h
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@ -68,6 +68,7 @@ struct usbnet {
# define EVENT_RX_PAUSED 5
# define EVENT_DEV_ASLEEP 6
# define EVENT_DEV_OPEN 7
# define EVENT_DEVICE_REPORT_IDLE 8
};
static inline struct usb_driver *driver_of(struct usb_interface *intf)
@ -160,6 +161,7 @@ extern int usbnet_probe(struct usb_interface *, const struct usb_device_id *);
extern int usbnet_suspend(struct usb_interface *, pm_message_t);
extern int usbnet_resume(struct usb_interface *);
extern void usbnet_disconnect(struct usb_interface *);
extern void usbnet_device_suggests_idle(struct usbnet *dev);
/* Drivers that reuse some of the standard USB CDC infrastructure