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| author | Oliver Neukum <oliver@neukum.org> | 2009-12-03 15:31:18 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-03 15:31:18 -0800 |
| commit | 69ee472f2706371ca639de49b06df91615c07d8d (patch) | |
| tree | 3f6de524e96679a2e54b55bb0ba9d1fd71c8222c /drivers/net/usb/cdc_ether.c | |
| parent | 7f515790274d26d710303b7a1f23571ca93a6288 (diff) | |
| download | linux-69ee472f2706371ca639de49b06df91615c07d8d.tar.gz linux-69ee472f2706371ca639de49b06df91615c07d8d.tar.bz2 linux-69ee472f2706371ca639de49b06df91615c07d8d.zip | |
usbnet & cdc-ether: Autosuspend for online devices
Using remote wakeup and delayed transmission to allow
online device to go into usb autosuspend.
Minimal alternate support for devices that don't support
remote wakeup.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/cdc_ether.c')
| -rw-r--r-- | drivers/net/usb/cdc_ether.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 197912d9c04a..21e183a83b99 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -411,6 +411,12 @@ static int cdc_bind(struct usbnet *dev, struct usb_interface *intf) return 0; } +static int cdc_manage_power(struct usbnet *dev, int on) +{ + dev->intf->needs_remote_wakeup = on; + return 0; +} + static const struct driver_info cdc_info = { .description = "CDC Ethernet Device", .flags = FLAG_ETHER | FLAG_LINK_INTR, @@ -418,6 +424,7 @@ static const struct driver_info cdc_info = { .bind = cdc_bind, .unbind = usbnet_cdc_unbind, .status = cdc_status, + .manage_power = cdc_manage_power, }; static const struct driver_info mbm_info = { @@ -619,6 +626,7 @@ static struct usb_driver cdc_driver = { .suspend = usbnet_suspend, .resume = usbnet_resume, .reset_resume = usbnet_resume, + .supports_autosuspend = 1, }; |