linux-kernel - Re: [PATCH] Re: NAK new drivers without proper power management?

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Date:	Mon, 12 Feb 2007 10:06:06 +1100
From:	Nigel Cunningham <nigel@...el.suspend2.net>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Daniel Barkalow <barkalow@...ervon.org>, Willy Tarreau <w@....eu>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Robert Hancock <hancockr@...w.ca>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Jeff Garzik <jeff@...zik.org>, Pavel Machek <pavel@....cz>,
	pm list <linux-pm@...ts.osdl.org>
Subject: Re: [PATCH] Re: NAK new drivers without proper power management?

Hi.

On Sun, 2007-02-11 at 19:53 +0100, Rafael J. Wysocki wrote:
> > Having drivers explicitly marked as to whether they are safe is a good kernel
> > feature; what to do if they're not is policy.
> 
> That's true, but I assume that the people who opt for doing that are also
> willing to take part in the review of the drivers. :-)

Absolutely :)

> Well, I don't think so.  Let's estimate the number of drivers that define
> .resume() right now:
> 
> $ grep -I -l -r '.resume =' linux-2.6.20/drivers/ | wc
>     102     102    4169

I think the '.resume =' doesn't help - some have tabs. I ran '\.resume'
and got 351.

It would be interesting to see how many struct pci_driver etc instances
lack resume methods.

Regards,

Nige

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