From 45b44d76d373e66d08e0c745dc82ff9123103588 Mon Sep 17 00:00:00 2001
From: Stefan Weinhuber <wein@de.ibm.com>
Date: Fri, 12 Jun 2009 10:26:36 +0200
Subject: [PATCH] [S390] dasd: no High Performance FICON in 31-bit mode

The High Performance FICON feature is not supported in 31-bit mode,
no matter what the various flags say. So we need to check for the
CONFIG_64BIT option as well.

Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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