Re: USB suspend/resume sequence

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



CCing myself

On Wed, Aug 14, 2013 at 1:24 PM, Vivek Gautam <gautamvivek1987@xxxxxxxxx> wrote:
> Hi all,
>
>
> Going through the power suspend/resume sequence of USB, got hit by a doubt.
>
> I am not able to figure out how the USB core driver takes care of
> devices and root-hubs across suspend/resume. Are the device contexts
> saved somewhere and then restored back on resume ?
> How does the suspend/resume sequence taken care by "drivers/usb/core/.." ?
>
> One more question here:
> If a hub on USB bus is getting re-enumerated, is it really necessary
> that its child devices shall also be re-enumerated ? Is there someway
> out in which we can save the child-devices' context pointers and then
> once hub has been re-enumerated back, we restore back them.
>
> Can someone please give some pointers on this.
>
> Thanks!!
>
>
> --
> Best Regards
> Vivek



-- 
Best Regards
Vivek
--
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



[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux