On 2013/3/29 0:50, Alan Stern wrote:
On Fri, 29 Mar 2013, Lan Tianyu wrote:
About the path "usb: Add usb port system pm support", do you think it's
ok?
Generally yes. But why doesn't usb_port_system_suspend check for any
PM_QOS constraints? Either on the port itself or on the child device.
Because usb_port_runtime_suspend() will PM Qos flags. If add check in
usb_port_system_suspend(), PM Qos flags would be checked twice and
this seems redundant.
Alan Stern
--
Best Regards
Tianyu Lan
linux kernel enabling team
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