From 7224c806876e46cfaf46b1c90da8d5c2e1f2108f Mon Sep 17 00:00:00 2001
From: Asutosh Das <quic_asutoshd@quicinc.com>
Date: Fri, 13 Jan 2023 12:48:43 -0800
Subject: scsi: ufs: core: mcq: Calculate queue depth

The UFS device defines the supported queuedepth by bqueuedepth which has a
max value of 256.  The HC defines MAC (Max Active Commands) that defines
the max number of commands that in flight to the UFS device.  Calculate and
configure the nutrs based on both these values.

Co-developed-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
 include/ufs/ufshci.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/ufs/ufshci.h')

diff --git a/include/ufs/ufshci.h b/include/ufs/ufshci.h
index f41bc7b03092..845a82a57f65 100644
--- a/include/ufs/ufshci.h
+++ b/include/ufs/ufshci.h
@@ -57,6 +57,7 @@ enum {
 	REG_UFS_CCAP				= 0x100,
 	REG_UFS_CRYPTOCAP			= 0x104,
 
+	REG_UFS_MCQ_CFG				= 0x380,
 	UFSHCI_CRYPTO_REG_SPACE_SIZE		= 0x400,
 };
 
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