Subject: Re: [PATCH] e1000: power off PHY after reset when interface is down

From: Jeff Kirsher <[email-masked]>
Date: Wed, 23 Feb 2011 16:02:45 -0800

On Tue, 2011-02-22 at 17:25 -0800, [email-masked]
wrote:
> From: Prasanna S. Panchamukhi <[email-masked]>
> 
> Some Phys supported by the e1000 driver do not remain powered off
> across
> a reset of the device when the interface is down, e.g. on 82546.
> This patch powers down (only when WoL is disabled) the PHY after reset
> if
> the interface is down and ethtool diagnostics are not currently
> running.
> 
> Similar problem was see on 82571 controller and was fixed in e1000e
> driver
> by Bruce Allan.
> Please refer commit 31dbe5b4ac6fca72dec946e4d0fa7f0913f1d9b1 for
> details.
> 
> Signed-off-by: Prasanna S. Panchamukhi
> <[email-masked]>
> ---
>  drivers/net/e1000/e1000_ethtool.c |   27 +++++++++++++++++++--------
>  drivers/net/e1000/e1000_main.c    |    7 +++++++
>  2 files changed, 26 insertions(+), 8 deletions(-) 

Thanks Prasanna!  I have added the patch to my queue of e1000 patches.