Re: Ejected Nook (usb mass storage) prevents suspend

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On Mon, 29 Jul 2013, Oliver Neukum wrote:

> On Fri, 2013-07-26 at 16:31 -0400, Alan Stern wrote:
> 
> > In addition to my earlier comment, the patch below should be applied.  
> > It will fix your immediate problem, although not in the best way.
> 
> Alan,
> 
> I think your diagnosis is correct, but not the fix.
> This is run even in the runtime case. We might lose
> data if the flush is not done.

Actually no, the scsi_bus_suspend_common() routine does not run during 
runtime PM.  It gets called only from scsi_bus_suspend(), 
scsi_bus_freeze(), and scsi_bus_poweroff(), which are all part of 
system sleep.

Alan Stern

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