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Date: Thu, 18 Oct 2012 10:29:17 +0200
From: Bjørn Mork <bjorn@...k.no>
To: Ming Lei <ming.lei@...onical.com>
Cc: "David S. Miller" <davem@...emloft.net>,
"Rafael J. Wysocki" <rjw@...k.pl>, Oliver Neukum <oneukum@...e.de>,
Alan Stern <stern@...land.harvard.edu>, netdev@...r.kernel.org,
linux-pm@...r.kernel.org
Subject: Re: [PATCH v1] net/core: support runtime PM on net_device
Ming Lei <ming.lei@...onical.com> writes:
> In ioctl path on net_device, the physical deivce is often
> touched, but the physical device may have been put into runtime
> suspend state already, so cause some utilitis(ifconfig, ethtool,
> ...) to return failure in this situation.
I have to as the stupid questions again, sorry...
Just wondering, isn't that really a driver problem? The driver will
know whether or not hardware access is required, and should wake up the
device if necessary. Unless I misunderstand something here, this seems
like papering over driver bugs?
Bjørn
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