From 251111d9a1bd9a26e25446d876156bf265858cb5 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Tue, 27 Aug 2013 23:04:29 +0100
Subject: [PATCH] sfc: Remove unnecessary use of atomic_t

We can set, get and compare-and-exchange without using atomic_t.
Change efx_mcdi_iface::state to the enum type we really wanted it to
be.

Suggested-by: David Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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