From 94010fa0dd07e8b904e7c6b6589f15573008ab15 Mon Sep 17 00:00:00 2001
From: Adam Lee <adam.lee@canonical.com>
Date: Fri, 28 Mar 2014 11:36:18 +0800
Subject: [PATCH] rtlwifi: add MSI interrupts mode support

Add MSI interrupts mode support, enable it when submodules' msi_support
flag is true, also could fallback to pin-based interrupts mode if MSI
interrupts mode fails.

RealTek's policy(on modules which work well with MSI interrupts mode) is:

> If the platform supports both MSI and pin-based, use MSI.
> If the platform supports MSI only, use MSI.
> If the platform supports pin-based only, use pin-based.

Also as RealTek's testing results, RTL8188EE and RTL8723BE work well
with both MSI mode and pin-based mode fallback.

Signed-off-by: Adam Lee <adam.lee@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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