From: Holger Dengler <hd@linux.vnet.ibm.com>
Date: Tue, 28 Aug 2012 14:41:50 +0000 (+0200)
Subject: s390/ap: configuration information exploitation
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~81^2~64
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=75014550516b147e5f530b84c71496341e036d6f;p=pandora-kernel.git

s390/ap: configuration information exploitation

Query AP configuration information. Improve performance of AP bus
scans by skipping AP device probing, if the AP deviec is not
configured.

Reviewed-by: Ingo Tuchscherer <ingo.tuchscherer@linux.vnet.ibm.com>
Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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