From 740924a267e85de09707ea158bbf594b4d8bae01 Mon Sep 17 00:00:00 2001
From: Richard Genoud <richard.genoud@gmail.com>
Date: Thu, 21 Mar 2013 12:21:47 +0100
Subject: [PATCH] pinmux: forbid mux_usecount to be set at UINT_MAX

If pin_free is called on a pin already freed, mux_usecount is set to
UINT_MAX which is really a bad idea.

This will issue a warning, so that we can correct the code responsible
for the double free.

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Reading git-format-patch failed