Re: Autosuspend for mass storage?

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On Sat, 1 Aug 2009, Oliver Neukum wrote:

> Am Samstag, 1. August 2009 00:01:27 schrieb Sarah Sharp:
> > Hi Oliver,
> Hello,
> 
> > I know you worked on several versions of a mass storage device
> > autosuspend patch.
> 
> For the discussion I am attaching what I found in my archives.
> It is a bit incomplete in hindsight. We should definitely do autopm_get
> in the open methods of sg and st.

And don't forget the SCSI error handler.

> Be careful they surprised Alan and maybe caused convultions.

"Surprised" isn't quite the right word.  :-)

This patch had the substantial drawback of doing a ton of work in 
usb-storage which really ought to be done within the SCSI layer.

Alan Stern

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