On Mon, Jun 10, 2013 at 12:28 AM, Morales, Alejandra
<alejandra.mora...@tum.de> wrote:
> - Is runtime power management supported by net devices?
Currently, 'struct net_device' doesn't support runtime power management,
and I submitted one patch to add the support for solving accessing
suspended device by 'ethtool', but it was rejected.
http://marc.info/?t=135054860600003&r=1&w=2
But the physical device of the net device can support runtime PM, for example,
some PCIe network devices support runtime PM on link change, and usbnet
devices support auto suspend.
Generally, the physical device is the parent of the net device, which is
a class device.
Thanks,
--
Ming Lei
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