On Fri, 8 Mar 2013, Ming Lei wrote:

If suspend callback fails in system sleep context, usb core will
ignore the failure and let the system sleep go ahead further, so this
patch doesn't recover device under this situation, otherwise
may cause resume() confused.

Cc: Jiri Kosina <redacted>
Signed-off-by: Ming Lei <redacted>

Acked-by: Jiri Kosina <redacted>

I guess this will go through USB tree as a series ...

Thanks,

-- 
Jiri Kosina
SUSE Labs