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SubjectRe: [PATCH 2/5] drivercore: Add driver probe deferral mechanism

On Thu, Oct 13, 2011 at 10:31 PM, Alan Stern <>
>> Maybe we should understand the correct model of the ordering constraints
>> for the multiple device dependancies first, could you give a description or
>> some examples about it?
> The requirement is that devices must be capable of resuming in the
> order given by dpm_list, and they must be capable of suspending in
> the reverse order.
> Therefore if device A can't work unless device B is functional, then B
> must come before A in dpm_list.

If all devices can support async suspend and resume correctly, looks like
the device order given by dpm_list is not needed any longer, doesn't it?

Ming Lei

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