Re: Async suspend-resume patch w/ completions (was: Re: Async suspend-resume patch w/ rwsems)

Rafael J. Wysocki
2009-12-20T19:50:24Z

On Sunday 20 December 2009, Alan Stern wrote:
> On Sun, 20 Dec 2009, Rafael J. Wysocki wrote:
>
> > BTW, what's the right place to call device_enable_async_suspend() for USB
> > devices?
>
> For USB devices, it's in drivers/usb/core/hub.c:usb_new_device()
> anywhere before the call to usb_device_add().
>
> For USB interfaces, it's in
> drivers/usb/core/message.c:usb_set_configuration() before the call to
> device_add().
>
> For USB endpoints, it's in
> drivers/usb/core/endpoint.c:usb_create_ep_devs() before the call to
> device_register().

Thanks!

> However you won't need to do it for interfaces and endpoints if you
> automatically treat as async any device without suspend/resume
> callbacks.

I don't do that right now and I need these settings just for testing at the
moment.

Rafael