e1000e: disable K1 on PCH LOM when in PHY loopback mode

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When performing the ethtool PHY loopback test on PCH-based LOMs (82577 and
82578), disable K1 (a MAC-PHY interconnect low power mode) otherwise
packets might get corrupted.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Bruce Allan 2009-11-20 23:24:11 +00:00 • committed by David S. Miller

parent 98086a954a

commit bb436b20fe

3 changed files with 6 additions and 2 deletions

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1

drivers/net/e1000e/e1000.h

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4

drivers/net/e1000e/ethtool.c

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3

drivers/net/e1000e/ich8lan.c

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