From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Thu, 5 Dec 2013 18:28:39 +0000 (+0100)
Subject: s390/sclp_early: Add function to detect sclp console capabilities
X-Git-Tag: v3.14-rc1~184^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52733e0152dad719ed6374b56fd1c33e784e44b3;p=pandora-kernel.git

s390/sclp_early: Add function to detect sclp console capabilities

Add SCLP console detect functions to encapsulate detection of SCLP console
capabilities, for example, VT220 support.  Reuse the sclp_send/receive masks
that were stored by the most recent sclp_set_event_mask() call to prevent
unnecessary SCLP calls.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Reviewed-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

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