From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 4 Feb 2015 14:36:14 +0000 (+0100)
Subject: ipmi: Use is_visible callback for conditional sysfs entries
X-Git-Tag: fixes-v4.0-rc1~47^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d06a0c9b3756404e141cafcd62b29ce05238007;p=pandora-kernel.git

ipmi: Use is_visible callback for conditional sysfs entries

Instead of manual calls of device_create_file() and
device_remove_file(), implement the condition in is_visible callback
for the attribute group and put these entries to the group, too.
This simplifies the code and avoids the possible races.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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