diff mbox series

[v11,16/16] ufs: core: mcq: Enable Multi Circular Queue

Message ID b0efa2abeba389a7739ea26956e8b342c65deab1.1670541364.git.quic_asutoshd@quicinc.com (mailing list archive)
State Superseded
Headers show
Series Add Multi Circular Queue Support | expand

Commit Message

Asutosh Das Dec. 8, 2022, 11:18 p.m. UTC 
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>
---
 drivers/ufs/core/ufshcd.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Stanley Jhu Dec. 13, 2022, 1:37 a.m. UTC | #1 
On Fri, Dec 9, 2022 at 7:30 AM Asutosh Das <quic_asutoshd@quicinc.com> wrote:
>
> 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>
diff mbox series

Patch

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index e42d642..7f0bc10 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -8381,6 +8381,12 @@  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],