usb: dynamic suspend

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Hello All,


I’ve an Ubuntu 16.04 LTS PC with 4.4.0-124-generic kernel version.

I  want to test the dynamic suspend for the below mentioned connected
USB device.

Bus 003 Device 028: ID 0cf3:e300 Atheros Communications, Inc.


First I’d like to know the required configuration(kernel built) of the
kernel for supporting the dynamic suspend for USB.

My kernel had been built with the below mentioned configuration:
CONFIG_SUSPEND=y
CONFIG_HIBERNATION=y
CONFIG_PM=y

Any other kernel configuration required for supporting the dynamic suspend?

How can I suspend a particular USB device?

How do I verify whether the device went to suspended mode or
not(without connecting the USB analyzer)?



-- 
Thanks,
Sekhar
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