From: Felipe Balbi <balbi@ti.com>
Date: Thu, 6 Sep 2012 12:45:36 +0000 (+0300)
Subject: serial: omap: make sure to put() on poll_get_char
X-Git-Tag: omap-cleanup-sparseirq-for-v3.7~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6b19c333c2f100f32e07d5209cf9f0b4f81b6eb;p=pandora-kernel.git

serial: omap: make sure to put() on poll_get_char

if we would reach serial_omap_get_char() while
Data Ready bit isn't set, we would return from
it without kicking our pm timer. This would mean
we would, eventually, have an unbalanced
pm_runtime_get on our device which would prevent
it from ever sleeping again.

Tested-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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