From patchwork Thu Oct 20 18:03:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Asutosh Das X-Patchwork-Id: 617071 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3966C43219 for ; Thu, 20 Oct 2022 18:08:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230383AbiJTSIf (ORCPT ); Thu, 20 Oct 2022 14:08:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56996 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230345AbiJTSIA (ORCPT ); Thu, 20 Oct 2022 14:08:00 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1516199F70; Thu, 20 Oct 2022 11:07:36 -0700 (PDT) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 29KFBAea011347; Thu, 20 Oct 2022 18:07:24 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=XOf6SZfBrUf2pe90IzBBGSsVWR7AkUG0Ulkw9JmNBqU=; b=AzoPDV1CsUvxAswQ7V5leSm89L/iwW2Pk8y3vWOrzQ6T5A/MWteph+5pejEU3pzAJGPU 7dkOG3svmoA1KOGWAd31fFHMXNssZmXb+eRUBq3ieXTcIukJk9F0WlFerGMVMdeL7Y1H yuf38pNIjEuZnz/hqV4qcIn9Q+RytCBlKpGcev/vdkRaF6tpYYplJaQvDg5E9eYfnH55 l4a98lIK08npgpchyxfl9lwQOmkkHjm/GJpS+KsdBPZSqirXiTzZWCXThYFeNEfLbmrT UoqIMRaio211O79EwJ3QiJ8jxqr/NEP3oyBuHKAUHcvbU6xeRxonhTz2xQQES14V3/nZ yQ== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3kavfm2e55-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Oct 2022 18:07:24 +0000 Received: from nasanex01a.na.qualcomm.com ([10.52.223.231]) by NASANPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 29KI7OHV028576 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Oct 2022 18:07:24 GMT Received: from asutoshd-linux1.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Thu, 20 Oct 2022 11:07:23 -0700 From: Asutosh Das To: , , CC: , , , , , , , , , , "Asutosh Das" , , Alim Akhtar , "James E.J. Bottomley" , "open list" Subject: [PATCH v3 16/17] ufs: core: mcq: Enable Multi Circular Queue Date: Thu, 20 Oct 2022 11:03:45 -0700 Message-ID: <4c7e03d7d99e305a8e5ae0547fa9648a2a910fe2.1666288432.git.quic_asutoshd@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: KctCmLPHr_O4cfl2nnGGBpr7HiEbNFdD X-Proofpoint-ORIG-GUID: KctCmLPHr_O4cfl2nnGGBpr7HiEbNFdD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-10-20_09,2022-10-20_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 mlxlogscore=999 impostorscore=0 bulkscore=0 clxscore=1015 mlxscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210200108 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Enable MCQ in the Host Controller. Signed-off-by: Asutosh Das Reviewed-by: Bart Van Assche --- drivers/ufs/core/ufshcd.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index aaade38..b39d35d 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8327,6 +8327,12 @@ static void ufshcd_config_mcq(struct ufs_hba *hba) hba->host->can_queue = hba->nutrs - UFSHCD_NUM_RESERVED; hba->reserved_slot = hba->nutrs - UFSHCD_NUM_RESERVED; + + /* Select MCQ mode */ + ufshcd_writel(hba, ufshcd_readl(hba, REG_UFS_MEM_CFG) | 0x1, + REG_UFS_MEM_CFG); + hba->mcq_enabled = true; + dev_info(hba->dev, "MCQ configured, nr_queues=%d, io_queues=%d, read_queue=%d, poll_queues=%d, queue_depth=%d\n", hba->nr_hw_queues, hba->nr_queues[HCTX_TYPE_DEFAULT], hba->nr_queues[HCTX_TYPE_READ], hba->nr_queues[HCTX_TYPE_POLL],