From: Stefan Haberland <stefan.haberland@de.ibm.com>
Date: Wed, 14 Oct 2009 10:43:48 +0000 (+0200)
Subject: [S390] dasd: use idal for device characteristics
X-Git-Tag: v2.6.32-rc5~19^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d9fa9441ed6e0467d7d41de730581874c997e658;p=pandora-kernel.git

[S390] dasd: use idal for device characteristics

If the rdc_buffer is above 2G we need indirect addresssing so we have
to use an idaw to give the rdc_buffer to the ccw.
If the rdc_buffer is under 2G nothing changes.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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