From 0963756fe51313a1e2d76885cd21624d3b2cfbf2 Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@gmail.com>
Date: Sat, 11 Jan 2014 16:11:59 -0500
Subject: [PATCH] drm/msm: spin helper

Helper macro to simplify places where we need to poll with timeout
waiting for gpu.

Signed-off-by: Rob Clark <robdclark@gmail.com>
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