From 58f60c222e8d4503a4be654cbd6d4e190dc1a7d8 Mon Sep 17 00:00:00 2001
From: Max Filippov <jcmvbkbc@gmail.com>
Date: Fri, 10 Jan 2014 12:02:18 +0400
Subject: [PATCH] xtensa: clean up udelay

Replace division with shift, use ccount_freq instead of loops_per_jiffy.
Introduce __MAX_UDELAY and (undefined) __bad_udelay, break build for too
big udelay constants.
Remove irrelevant comment, clean up code style.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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