amd-xgbe: Simplify mailbox interface rate change code

Simplify and centralize the mailbox command rate change interface by
having a single function perform the writes to the mailbox registers
to issue the request.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas 2017-06-28 13:41:32 -05:00 • committed by David S. Miller
commit 549b32af9f