From: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Date: Sat, 11 Oct 2014 13:46:26 +0000 (+0300)
Subject: backlight: pwm: Clean-up pwm requested using legacy API
X-Git-Tag: omap-for-v3.19/fixes-rc1~134^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=edf387b6d1a6993103ec95ed934a6daf559535f4;p=pandora-kernel.git

backlight: pwm: Clean-up pwm requested using legacy API

If PWM device is requested by means of legacy API pwm_request(), its
resources are not freed on module unbind, which may cause an oops on
access, e.g. by reading /sys/kernel/debug/pwm.

Reported-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---

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