From: Lars-Peter Clausen <lars@metafoo.de>
Date: Fri, 4 Oct 2013 11:07:00 +0000 (+0100)
Subject: iio: Wakeup poll and blocking reads when the device is unregistered
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~62^2~196^2~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d2f0a48f36aea38e0a5c4b439d5d9c96aecabad9;p=pandora-kernel.git

iio: Wakeup poll and blocking reads when the device is unregistered

Once the device has been unregistered there won't be any new data no matter how
long a userspace application waits, so we might as well wake them up and let
them know.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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