From patchwork Tue Jan 3 19:09:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Asutosh Das X-Patchwork-Id: 639003 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 29786C54EBE for ; Tue, 3 Jan 2023 19:16:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238978AbjACTQO (ORCPT ); Tue, 3 Jan 2023 14:16:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238920AbjACTPi (ORCPT ); Tue, 3 Jan 2023 14:15:38 -0500 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CDCE14019; Tue, 3 Jan 2023 11:14:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1672773264; x=1704309264; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=9sWwTbia7dLn0fuNVUfv2sfte8/C2vXGJ8QdAOouZ8I=; b=vP8HXmApToOnyDg9jW89VSSQMgblrRcqge7ZhUrVEb1OULya+ztVM/mh wJnyzLq9aUEgs1zI4xir7TOurTCgEhPCelero14s0vX1TXlRWtO8ZwL4k PvbFPFSyyZMCWhSKBor3lN1hHN3a2RH01PN2diB0xZJ8VtEPmb2Z1ldlb 0=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-01.qualcomm.com with ESMTP; 03 Jan 2023 11:14:23 -0800 X-QCInternal: smtphost Received: from unknown (HELO nasanex01a.na.qualcomm.com) ([10.52.223.231]) by ironmsg-SD-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jan 2023 11:14:23 -0800 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; Tue, 3 Jan 2023 11:14:21 -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 v12 15/15] ufs: core: mcq: Enable Multi Circular Queue Date: Tue, 3 Jan 2023 11:09:34 -0800 Message-ID: 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) 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 4d31131..8fae2ce 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],