Re: Null suspend/resume functions
From: Mark Brown
Date: Wed Nov 18 2009 - 08:41:20 EST
On Tue, Nov 17, 2009 at 11:14:04PM +0100, Rafael J. Wysocki wrote:
> In fact, it's not mandatory for bus types, not for drivers. IMO bus types
> really have to know how to suspend a device and how to resume it,
> otherwise the core framework won't be useful anyway. What the bus type does
> about drivers not implementing ->runtime_suspend() or ->runtime_resume(), it's
> up to the bus type. That's even documented IIRC.
OK, thanks - I hadn't realised that these were being called directly
from the bus type code rather than by the core.
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