e1000e: workaround hw errata
authorJesse Brandeburg <jesse.brandeburg@intel.com>
Mon, 26 Jan 2009 20:16:26 +0000 (12:16 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 26 Jan 2009 20:16:26 +0000 (12:16 -0800)
commit78272bbab895cc8f63bab5181dee55b72208e3b7
tree53aa763c515170daaf60b433e251afa842009719
parent71be7a36026b25e17657ff8e4317837176bf8cfd
e1000e: workaround hw errata

There is a hardware errata in some revisions of the 82574 that needs
to be worked around in the driver by setting a register bit at init.

If this bit is not set A0 versions of the 82574 can generate
tx hangs.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
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>
drivers/net/e1000e/82571.c
drivers/net/e1000e/hw.h