Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756947AbZKMPQC (ORCPT ); Fri, 13 Nov 2009 10:16:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756876AbZKMPP4 (ORCPT ); Fri, 13 Nov 2009 10:15:56 -0500 Received: from mtagate4.de.ibm.com ([195.212.17.164]:36465 "EHLO mtagate4.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756009AbZKMPJF (ORCPT ); Fri, 13 Nov 2009 10:09:05 -0500 Message-Id: <20091113150912.928971346@de.ibm.com> User-Agent: quilt/0.48-1 Date: Fri, 13 Nov 2009 16:08:45 +0100 From: Martin Schwidefsky To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Cc: Heiko Carstens , Stefan Weinhuber , Martin Schwidefsky Subject: [patch 21/52] [PATCH] dasd: enable prefix independent of pav support References: <20091113150824.351347652@de.ibm.com> Content-Disposition: inline; filename=120-dasd-enable-prefix.diff Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1452 Lines: 37 From: Stefan Weinhuber The DASD device driver needs to explicitly enable the prefix command on the storage server, before it can be used. Originally we enabled this command along with others only if we wanted to support PAV. However, today we require this command for other features like High Performance FICON as well, so we need to always enable prefix. Signed-off-by: Stefan Weinhuber Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dasd_eckd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: quilt-2.6/drivers/s390/block/dasd_eckd.c =================================================================== --- quilt-2.6.orig/drivers/s390/block/dasd_eckd.c 2009-11-13 16:08:14.000000000 +0100 +++ quilt-2.6/drivers/s390/block/dasd_eckd.c 2009-11-13 16:08:16.000000000 +0100 @@ -1011,9 +1011,9 @@ } psf_ssc_data = (struct dasd_psf_ssc_data *)cqr->data; psf_ssc_data->order = PSF_ORDER_SSC; - psf_ssc_data->suborder = 0x40; + psf_ssc_data->suborder = 0xc0; if (enable_pav) { - psf_ssc_data->suborder |= 0x88; + psf_ssc_data->suborder |= 0x08; psf_ssc_data->reserved[0] = 0x88; } ccw = cqr->cpaddr; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/