diff mbox series

[v5,16/16] ufs: core: mcq: Enable Multi Circular Queue

Message ID 6a26d01d7362cc70af70a133910cf9ad55a6ec06.1669176158.git.quic_asutoshd@quicinc.com
State New
Headers
Series [v5,01/16] ufs: core: Optimize duplicate code to read extended feature |

Commit Message

Asutosh Das Nov. 23, 2022, 4:10 a.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>
---
 drivers/ufs/core/ufshcd.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Manivannan Sadhasivam Nov. 28, 2022, 5:03 p.m. UTC | #1 
On Tue, Nov 22, 2022 at 08:10:29PM -0800, Asutosh Das wrote:
> Enable MCQ in the Host Controller.
> 
> Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com>

Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>

Thanks,
Mani

> Reviewed-by: Bart Van Assche <bvanassche@acm.org>
> ---
>  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 8416d42..41005b8 100644
> --- a/drivers/ufs/core/ufshcd.c
> +++ b/drivers/ufs/core/ufshcd.c
> @@ -8351,6 +8351,12 @@ 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
>
diff mbox series

Patch

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 8416d42..41005b8 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -8351,6 +8351,12 @@  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],