From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932988AbcAYRJA (ORCPT ); Mon, 25 Jan 2016 12:09:00 -0500 Received: from szxga02-in.huawei.com ([119.145.14.65]:24654 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757634AbcAYRIv (ORCPT ); Mon, 25 Jan 2016 12:08:51 -0500 From: j00310691 To: , , , , , , CC: , , , , , , , , John Garry Subject: [PATCH v2 04/23] hisi_sas: reduce max itct entries Date: Tue, 26 Jan 2016 01:21:53 +0800 Message-ID: <1453742532-53092-5-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1453742532-53092-1-git-send-email-john.garry@huawei.com> References: <1453742532-53092-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.56A6569D.00B8,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: f7cba50141f8890aabac0827c849a4c1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: John Garry Since v2 hw only supports 2048 itct entries, as opposed to 4096 for v1 hw, set the max itct entries to the lower of the two. It is not anticipated that any device with v1 will ever require to connect > 2048 devices. Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 5ed5cf1..7c05eb3 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -25,7 +25,7 @@ #define HISI_SAS_MAX_PHYS 9 #define HISI_SAS_MAX_QUEUES 32 #define HISI_SAS_QUEUE_SLOTS 512 -#define HISI_SAS_MAX_ITCT_ENTRIES 4096 +#define HISI_SAS_MAX_ITCT_ENTRIES 2048 #define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES #define HISI_SAS_STATUS_BUF_SZ \ -- 1.9.1