linux-kernel - [PATCH v2 3/7] scsi: ufs: core: Fix mcq nr_hw

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Message-ID: <20230222030427.957-4-powen.kao@mediatek.com>
Date:   Wed, 22 Feb 2023 11:04:20 +0800
From:   Po-Wen Kao <powen.kao@...iatek.com>
To:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Bart Van Assche <bvanassche@....org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     <wsd_upstream@...iatek.com>, <peter.wang@...iatek.com>,
        <stanley.chu@...iatek.com>, <powen.kao@...iatek.com>,
        <alice.chao@...iatek.com>, <naomi.chu@...iatek.com>,
        <chun-hung.wu@...iatek.com>, <cc.chou@...iatek.com>,
        <eddie.huang@...iatek.com>, <mason.zhang@...iatek.com>,
        <chaotian.jing@...iatek.com>, <jiajie.hao@...iatek.com>
Subject: [PATCH v2 3/7] scsi: ufs: core: Fix mcq nr_hw_queues

Need to add one to MAXQ to obtain number of hardware queue.

Signed-off-by: Po-Wen Kao <powen.kao@...iatek.com>
---
 drivers/ufs/core/ufs-mcq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c
index a39746b2a8be..5d5bc0bc6e88 100644
--- a/drivers/ufs/core/ufs-mcq.c
+++ b/drivers/ufs/core/ufs-mcq.c
@@ -150,7 +150,7 @@ static int ufshcd_mcq_config_nr_queues(struct ufs_hba *hba)
 	u32 hba_maxq, rem, tot_queues;
 	struct Scsi_Host *host = hba->host;
 
-	hba_maxq = FIELD_GET(MAX_QUEUE_SUP, hba->mcq_capabilities);
+	hba_maxq = FIELD_GET(MAX_QUEUE_SUP, hba->mcq_capabilities) + 1 ;
 
 	tot_queues = UFS_MCQ_NUM_DEV_CMD_QUEUES + read_queues + poll_queues +
 			rw_queues;
-- 
2.18.0