From patchwork Fri Jan 13 20:48:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Asutosh Das X-Patchwork-Id: 642513 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 4A476C6379F for ; Fri, 13 Jan 2023 20:55:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231391AbjAMUzI (ORCPT ); Fri, 13 Jan 2023 15:55:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231348AbjAMUyi (ORCPT ); Fri, 13 Jan 2023 15:54:38 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 419AA8CBD7; Fri, 13 Jan 2023 12:53:58 -0800 (PST) Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30DKmYYP018224; Fri, 13 Jan 2023 20:53:44 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=2gnvKmQQsZNTmUuHgm3zwNFDqUUkz6YkNKxFpEYsREs=; b=MDc+EloaPbilFlagWJ8kJ0HBb+UNlSsm8ZBZ5NEoA2xR/efYPRVr0pRMb7kfD7QKe4qr ZI6LpPdKlKSGSJK5oo2g7XKnfzVidLK5AziskUofaljKYbOeg9GQRXY+GUXHT0KiYB/2 DIlJOjvc3UU8cMjwg3kFZCWYvAiy/rpvpmLuuPm0zFKW02NBmciwvPAokBQ2qJqm7Io4 jIE3v0ihCNI2b/wAtWBU1i1BBk/nBE7N0Zv30OqPeXUdR43C6Zt1cOIq0vgQ6Pcm8p+t KQ6RDcWq+JkWbQeQBcT7G+QSmXZ+eqKBOP513j2RPe4smvSBz5VGjKTRq9o502NU42Px /g== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3n3a8mgj2c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 13 Jan 2023 20:53:44 +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 30DKrhKc025709 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 13 Jan 2023 20:53:43 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 15.2.986.36; Fri, 13 Jan 2023 12:53:42 -0800 From: Asutosh Das To: , , CC: , , , , , , , , Asutosh Das , , Alim Akhtar , "James E.J. Bottomley" , Matthias Brugger , Jinyoung Choi , open list , "moderated list:ARM/Mediatek SoC support" , "moderated list:ARM/Mediatek SoC support" Subject: [PATCH v13 15/15] ufs: core: mcq: Enable Multi Circular Queue Date: Fri, 13 Jan 2023 12:48:52 -0800 Message-ID: <1dc2055e6ef1b0b080e2881bd15851dbf1cdc397.1673557949.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: nasanex01b.na.qualcomm.com (10.46.141.250) 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: YM6usDvVXS49QQ1xSnV_rOzwzfhrN6oM X-Proofpoint-ORIG-GUID: YM6usDvVXS49QQ1xSnV_rOzwzfhrN6oM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.923,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-13_10,2023-01-13_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 impostorscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 priorityscore=1501 mlxscore=0 adultscore=0 phishscore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301130142 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 Reviewed-by: Manivannan Sadhasivam Reviewed-by: Stanley Chu --- 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 cb1bca4..54717c4 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8455,6 +8455,12 @@ 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],