On 11.04.2013 17:40, Ming Lei wrote: > Hi, > > This patch set introduces usbnet_link_change() API and applies > it on all usbnet drivers, then handle the link change centrally > to stop bulk transfer when link becomes off and restart bulk > transfer when link becomes on. Should 'rndis_wlan' be changed to use this too? -Jussi > > With the change, ~10% performance boost on bulk transfer > of another device on the same bus can be obtained when link > is off. Also, stopping bulk transfer when link becomes off > may disable asynchonous schedule of host controller, power > might be saved probabally. > > drivers/net/usb/asix_devices.c | 6 +----- > drivers/net/usb/ax88179_178a.c | 12 ++++------- > drivers/net/usb/cdc_ether.c | 5 +---- > drivers/net/usb/cdc_ncm.c | 9 +++----- > drivers/net/usb/dm9601.c | 7 +------ > drivers/net/usb/mcs7830.c | 6 +----- > drivers/net/usb/sierra_net.c | 3 +-- > drivers/net/usb/usbnet.c | 45 +++++++++++++++++++++++++++++++++++++++- > include/linux/usb/usbnet.h | 2 ++ > 9 files changed, 58 insertions(+), 37 deletions(-) > > > Thanks, > -- > Ming Lei > > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
