From 2c64e16d1ff1228df837508ab32e8a060cb06907 Mon Sep 17 00:00:00 2001
From: Hante Meuleman <meuleman@broadcom.com>
Date: Wed, 18 Mar 2015 13:25:22 +0100
Subject: [PATCH] brcmfmac: Add necessary memory barriers for SDIO.

SDIO uses a thread to handle all communication with the device,
for this data is exchanged between threads. This data needs proper
memory barriers to make sure that data "exchange" is going correct.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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