From: Ian Abbott <abbotti@mev.co.uk>
Date: Thu, 4 Apr 2013 13:59:01 +0000 (+0100)
Subject: staging: comedi: change comedi_file_info_table_lock to mutex
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~137^2~287
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da619f5575e111f176f9f6d888dbeaf3210ff1f2;p=pandora-kernel.git

staging: comedi: change comedi_file_info_table_lock to mutex

The spin-lock `comedi_file_info_table_lock` is used to protect against
simultaneous modification and access of `comedi_file_info_table[]`.
Change it from a spin-lock to a mutex as it is only used in contexts
where sleeping is allowed.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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