From: Bruno Prémont <bonbons@linux-vserver.org>
Date: Sun, 19 Aug 2012 17:32:04 +0000 (+0200)
Subject: HID: picoLCD: rework hid-fbdev interaction
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~104^2~2^4~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16048709b2f6a7e721ac677f9a6741ac1c13ffd7;p=pandora-kernel.git

HID: picoLCD: rework hid-fbdev interaction

Split out all FB related data out of struct picolcd_data into a struct
picolcd_fb_data that is allocated with fb_info. This way fb_info may
cleanly outlive struct picolcd_data for as long as needed for its last
user to drop his reference.

Access to struct picolcd_data is now protected with struct
picolcd_fb_data's lock and tile  update reports are only generated
while picolcd_fbdata->picolcd is not NULL and is not marked as failed
(which indicates unplug in progress).

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