From patchwork Fri Jan 8 14:15:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 59352 Delivered-To: patch@linaro.org Received: by 10.112.130.2 with SMTP id oa2csp576361lbb; Fri, 8 Jan 2016 06:05:58 -0800 (PST) X-Received: by 10.98.73.6 with SMTP id w6mr3469886pfa.109.1452261958522; Fri, 08 Jan 2016 06:05:58 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id qi3si16924926pac.30.2016.01.08.06.05.58; Fri, 08 Jan 2016 06:05:58 -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 S1755373AbcAHOFl (ORCPT + 29 others); Fri, 8 Jan 2016 09:05:41 -0500 Received: from szxga01-in.huawei.com ([58.251.152.64]:29592 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755168AbcAHODW (ORCPT ); Fri, 8 Jan 2016 09:03:22 -0500 Received: from 172.24.1.49 (EHLO szxeml430-hub.china.huawei.com) ([172.24.1.49]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DCQ25558; Fri, 08 Jan 2016 22:03:04 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by szxeml430-hub.china.huawei.com (10.82.67.185) with Microsoft SMTP Server id 14.3.235.1; Fri, 8 Jan 2016 22:02:55 +0800 From: John Garry To: , , , , , , CC: , , , , , , , , John Garry Subject: [PATCH 04/23] hisi_sas: reduce max itct entries Date: Fri, 8 Jan 2016 22:15:23 +0800 Message-ID: <1452262542-64589-5-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1452262542-64589-1-git-send-email-john.garry@huawei.com> References: <1452262542-64589-1-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=0001.0A020203.568FC1A1.0147, 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: 53e7b2c3886356b5d0a1e19842edd075 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 \