From 3f7a73b57c2f57aa25342ebdb7312f78c68502eb Mon Sep 17 00:00:00 2001
From: David Brown <davidb@codeaurora.org>
Date: Tue, 12 Mar 2013 11:41:51 -0700
Subject: [PATCH] ssbi: Comment the use of udelay()

The ssbi driver uses a busywait loop to read its status register.  Add
a comment explaining the timing of the device itself so that future
developers can better understand this delay, and possibly diagnose any
problems.

Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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