From 225b4590062008c9de22ed6e3a200f832d9bcdc8 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
Date: Mon, 28 Jun 2010 22:33:27 +0200
Subject: [PATCH] HID: picolcd: implement refcounting of framebuffer
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As our device may be hot-unplugged and framebuffer cannot handle
this case by itself we need to keep track of usage count so as
to release fb_info and framebuffer memory only after the last user
has closed framebuffer.

We need to do the freeing in a scheduled work as fb_release()
is called with fb_info lock held.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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