From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Wed, 18 Sep 2013 18:48:41 +0000 (-0700)
Subject: staging: comedi: adl_pci6208: don't deadlock while waiting to write ao data
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~62^2~691
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b609a5959f5ee44342d08ad37faba11bfbeb8b92;p=pandora-kernel.git

staging: comedi: adl_pci6208: don't deadlock while waiting to write ao data

Remove a possible deadlock while waiting to write the analog output data.

The data transfer rate for every D/A data write in this driver is 2.2us.
Wait up to 10us for the board to be ready then and return -ETIME.

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