On 05/08/2015 07:01 PM, Greg Kroah-Hartman wrote:
On Fri, May 08, 2015 at 06:26:28PM +0800, Lu Baolu wrote:
There is no need to call xhci_stop_device() and xhci_ring_device() in
hub control and bus suspend functions since all device suspend and
resume have been notified through device_suspend/device_resume interfaces.
Does this mean that after patch 2, things are broken and require this
patch to prevent problems?
No. things work well without patch 3. "stop device" and "ring doorbell"
operations in hub control and bus suspend is harmless, but duplicated
and unnecessary, so I remove them.
I don't want to have any patch to make the system unstable.
thanks,
greg k-h
Thank you,
Baolu
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