net: rmnet_usb: Fix autosuspend support

A usbnet subdriver must implement the manage_power callback in order
to fully support autosuspend. This allows for the device to be
suspended when there is no active traffic, and USB remote wakeup
is used to signal a resume to the host.

Remove calls to usb_autopm_get/put from rmnet_usb_ctrl_start_rx and
rmnet_usb_ctrl_write_cmd as these functions are only (or should be)
called when the device is already active.

Change-Id: Ic1664a0350f414ee4a9dd737aef7aa237a319002
Signed-off-by: Jack Pham <jackp@codeaurora.org>
2 files changed