From patchwork Mon Jan 25 18:47:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 60422 Delivered-To: patch@linaro.org Received: by 10.112.130.2 with SMTP id oa2csp1528784lbb; Mon, 25 Jan 2016 10:44:02 -0800 (PST) X-Received: by 10.66.235.36 with SMTP id uj4mr28277890pac.85.1453747439830; Mon, 25 Jan 2016 10:43:59 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t72si35301457pfi.38.2016.01.25.10.43.59; Mon, 25 Jan 2016 10:43:59 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757532AbcAYSn6 (ORCPT + 30 others); Mon, 25 Jan 2016 13:43:58 -0500 Received: from szxga03-in.huawei.com ([119.145.14.66]:49870 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758102AbcAYSfJ (ORCPT ); Mon, 25 Jan 2016 13:35:09 -0500 Received: from 172.24.1.51 (EHLO szxeml422-hub.china.huawei.com) ([172.24.1.51]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id BVE88833; Tue, 26 Jan 2016 02:35:00 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by szxeml422-hub.china.huawei.com (10.82.67.152) with Microsoft SMTP Server id 14.3.235.1; Tue, 26 Jan 2016 02:34:48 +0800 From: John Garry To: , , , , , , CC: , , , , , , , , John Garry Subject: [RESEND PATCH v2 04/23] hisi_sas: reduce max itct entries Date: Tue, 26 Jan 2016 02:47:04 +0800 Message-ID: <1453747643-61875-5-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1453747643-61875-1-git-send-email-john.garry@huawei.com> References: <1453747643-61875-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020204.56A66AD6.0016, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 743ac9252cb6b1a2130def0a3df8ab67 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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(-) -- 1.9.1 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 \