netdev - Re: [PATCH net-next V2] igb: add basic runtime PM support

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Date:	Wed, 21 Dec 2011 16:57:20 -0800
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	"Yan, Zheng" <zheng.z.yan@...el.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	e1000-devel@...ts.sourceforge.net,
	"davem@...emloft.net" <davem@...emloft.net>,
	jesse.brandeburg@...el.com, bruce.w.allan@...el.com,
	carolyn.wyborny@...el.com, donald.c.skidmore@...el.com,
	gregory.v.rose@...el.com, peter.p.waskiewicz.jr@...el.com,
	alexander.h.duyck@...el.com, john.ronciak@...el.com, rjw@...k.pl
Subject: Re: [PATCH net-next V2] igb: add basic runtime PM support

On Wed, 2011-12-21 at 13:21 +0800, Yan, Zheng wrote:
> Use the runtime power management framework to add basic runtime PM
> support
> to the igb driver. Namely, make the driver suspend the device when the
> link
> is off and set it up for generating a wakeup event after the link has
> been
> detected again. This feature is disabled by default.
> 
> Based on e1000e's runtime PM code.
> 
> Signed-off-by: Zheng Yan <zheng.z.yan@...el.com>
> ---
> Changes since v1:
> Don't suspend the device when shutting down the interface.
> Avoid race between runtime suspending and ethtool operations.
> 
>  drivers/net/ethernet/intel/igb/igb_ethtool.c |   16 +++
>  drivers/net/ethernet/intel/igb/igb_main.c    |  136
> ++++++++++++++++++++++----
>  2 files changed, 133 insertions(+), 19 deletions(-) 

I have applied this to my queue of patches.  Thanks Zheng!

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