[v2,16/17] ufs: core: mcq: Enable Multi Circular Queue

Message ID	8677cdf1bf7d5b3e3fe560c864378c22b0d59cea.1665017636.git.quic_asutoshd@quicinc.com
State	Superseded
Headers	show Return-Path: <linux-scsi-owner@kernel.org> From: Asutosh Das <quic_asutoshd@quicinc.com> To: <quic_cang@quicinc.com>, <quic_nitirawa@quicinc.com>, <quic_rampraka@quicinc.com>, <quic_bhaskarv@quicinc.com>, <quic_richardp@quicinc.com>, <linux-scsi@vger.kernel.org> CC: Asutosh Das <quic_asutoshd@quicinc.com>, <linux-arm-msm@vger.kernel.org>, <quic_nguyenb@quicinc.com>, <quic_xiaosenh@quicinc.com>, <bvanassche@acm.org>, <avri.altman@wdc.com>, <mani@kernel.org>, <beanhuo@micron.com> Subject: [PATCH v2 16/17] ufs: core: mcq: Enable Multi Circular Queue Date: Wed, 5 Oct 2022 18:06:15 -0700 Message-ID: <8677cdf1bf7d5b3e3fe560c864378c22b0d59cea.1665017636.git.quic_asutoshd@quicinc.com> In-Reply-To: <cover.1665017636.git.quic_asutoshd@quicinc.com> References: <cover.1665017636.git.quic_asutoshd@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk
Series	Add Multi Circular Queue Support \| expand [v2,00/17] Add Multi Circular Queue Support [v2,01/17] ufs: core: Probe for ext_iid support [v2,02/17] ufs: core: Optimize duplicate code to read extended feature [v2,03/17] ufs: core: Introduce Multi-circular queue capability [v2,04/17] ufs: core: Defer adding host to scsi if mcq is supported [v2,05/17] ufs: core: mcq: Introduce Multi Circular Queue [v2,06/17] ufs: core: mcq: Configure resource regions [v2,07/17] ufs: core: mcq: Calculate queue depth [v2,08/17] ufs: core: mcq: Allocate memory for mcq mode [v2,09/17] ufs: core: mcq: Configure operation and runtime interface [v2,10/17] ufs: core: mcq: Use shared tags for MCQ mode [v2,11/17] ufs: core: Prepare ufshcd_send_command for mcq [v2,12/17] ufs: core: mcq: Find hardware queue to queue request [v2,13/17] ufs: core: Prepare for completion in mcq [v2,14/17] ufs: mcq: Add completion support of a cqe [v2,15/17] ufs: core: mcq: Add completion support in poll [v2,16/17] ufs: core: mcq: Enable Multi Circular Queue [v2,17/17] ufs: qcom-host: Enable multi circular queue capability

Message ID

8677cdf1bf7d5b3e3fe560c864378c22b0d59cea.1665017636.git.quic_asutoshd@quicinc.com

State

Superseded

Headers

From: Asutosh Das <quic_asutoshd@quicinc.com>
To: <quic_cang@quicinc.com>, <quic_nitirawa@quicinc.com>,
        <quic_rampraka@quicinc.com>, <quic_bhaskarv@quicinc.com>,
        <quic_richardp@quicinc.com>, <linux-scsi@vger.kernel.org>
CC: Asutosh Das <quic_asutoshd@quicinc.com>,
        <linux-arm-msm@vger.kernel.org>, <quic_nguyenb@quicinc.com>,
        <quic_xiaosenh@quicinc.com>, <bvanassche@acm.org>,
        <avri.altman@wdc.com>, <mani@kernel.org>, <beanhuo@micron.com>
Subject: [PATCH v2 16/17] ufs: core: mcq: Enable Multi Circular Queue
Date: Wed, 5 Oct 2022 18:06:15 -0700
Message-ID: 
 <8677cdf1bf7d5b3e3fe560c864378c22b0d59cea.1665017636.git.quic_asutoshd@quicinc.com>
In-Reply-To: <cover.1665017636.git.quic_asutoshd@quicinc.com>
References: <cover.1665017636.git.quic_asutoshd@quicinc.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Series

Add Multi Circular Queue Support | expand

Commit Message

Asutosh Das Oct. 6, 2022, 1:06 a.m. UTC

Enable MCQ in the Host Controller.

Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com>
---
 drivers/ufs/core/ufshcd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index f1a9b26..d6303fc 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -8319,6 +8319,10 @@  static int 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],

[v2,16/17] ufs: core: mcq: Enable Multi Circular Queue

Commit Message

Patch