PM / genirq: Document rules related to system suspend and interrupts
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>
Mon, 1 Sep 2014 12:14:17 +0000 (14:14 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Mon, 1 Sep 2014 12:14:17 +0000 (14:14 +0200)
Add a document describing how IRQs are managed during system suspend
and resume, how wakeup interrupts work and what the IRQF_NO_SUSPEND
flag is supposed to be used for.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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