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From: Asutosh Das <quic_asutoshd@quicinc.com>
To: <quic_cang@quicinc.com>, <martin.petersen@oracle.com>,
	<linux-scsi@vger.kernel.org>
Cc: <quic_nguyenb@quicinc.com>, <quic_xiaosenh@quicinc.com>,
	<stanley.chu@mediatek.com>, <adrian.hunter@intel.com>,
	<bvanassche@acm.org>, <avri.altman@wdc.com>, <mani@kernel.org>,
	<beanhuo@micron.com>, Asutosh Das <quic_asutoshd@quicinc.com>,
	<linux-arm-msm@vger.kernel.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Jinyoung Choi <j-young.choi@samsung.com>,
	open list <linux-kernel@vger.kernel.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-arm-kernel@lists.infradead.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-mediatek@lists.infradead.org>
Subject: [PATCH v13 15/15] ufs: core: mcq: Enable Multi Circular Queue
Date: Fri, 13 Jan 2023 12:48:52 -0800	[thread overview]
Message-ID: <1dc2055e6ef1b0b080e2881bd15851dbf1cdc397.1673557949.git.quic_asutoshd@quicinc.com> (raw)
In-Reply-To: <cover.1673557949.git.quic_asutoshd@quicinc.com>

Enable MCQ in the Host Controller.

Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
---
 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],
-- 
2.7.4


  parent reply	other threads:[~2023-01-13 20:55 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-13 20:48 [PATCH v13 00/15] Add Multi Circular Queue Support Asutosh Das
2023-01-13 20:48 ` [PATCH v13 01/15] ufs: core: Probe for ext_iid support Asutosh Das
2023-01-13 20:48 ` [PATCH v13 02/15] ufs: core: Introduce Multi-circular queue capability Asutosh Das
2023-01-13 20:48 ` [PATCH v13 03/15] ufs: core: Defer adding host to scsi if mcq is supported Asutosh Das
2023-01-13 20:48 ` [PATCH v13 04/15] ufs: core: mcq: Add support to allocate multiple queues Asutosh Das
2023-01-13 20:48 ` [PATCH v13 05/15] ufs: core: mcq: Configure resource regions Asutosh Das
2023-01-13 20:48 ` [PATCH v13 06/15] ufs: core: mcq: Calculate queue depth Asutosh Das
2023-01-13 20:48 ` [PATCH v13 07/15] ufs: core: mcq: Allocate memory for mcq mode Asutosh Das
2023-01-13 20:48 ` [PATCH v13 08/15] ufs: core: mcq: Configure operation and runtime interface Asutosh Das
2023-01-13 20:48 ` [PATCH v13 09/15] ufs: core: mcq: Use shared tags for MCQ mode Asutosh Das
2023-01-13 20:48 ` [PATCH v13 10/15] ufs: core: Prepare ufshcd_send_command for mcq Asutosh Das
2023-01-13 20:48 ` [PATCH v13 11/15] ufs: core: mcq: Find hardware queue to queue request Asutosh Das
2023-01-13 20:48 ` [PATCH v13 12/15] ufs: core: Prepare for completion in mcq Asutosh Das
2023-01-13 20:48 ` [PATCH v13 13/15] ufs: mcq: Add completion support of a cqe Asutosh Das
2023-01-13 20:48 ` [PATCH v13 14/15] ufs: core: mcq: Add completion support in poll Asutosh Das
2023-01-13 20:48 ` Asutosh Das [this message]
2023-01-14  2:16 ` [PATCH v13 00/15] Add Multi Circular Queue Support Martin K. Petersen
2023-01-19  0:44 ` Martin K. Petersen

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