linux-kernel - [PATCH 5.10 078/188] scsi: pm80xx: Fix chip initialization failure

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Message-Id: <20210412084016.246029604@linuxfoundation.org>
Date:   Mon, 12 Apr 2021 10:39:52 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Viswas G <Viswas.G@...rochip.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Ash Izat <ash@....uk>
Subject: [PATCH 5.10 078/188] scsi: pm80xx: Fix chip initialization failure

From: Viswas G <Viswas.G@...rochip.com>

commit 65df7d1986a1909a0869419919e7d9c78d70407e upstream.

Inbound and outbound queues were not properly configured and that lead to
MPI configuration failure.

Fixes: 05c6c029a44d ("scsi: pm80xx: Increase number of supported queues")
Cc: stable@...r.kernel.org # 5.10+
Link: https://lore.kernel.org/r/20210402054212.17834-1-Viswas.G@microchip.com.com
Reported-and-tested-by: Ash Izat <ash@....uk>
Signed-off-by: Viswas G <Viswas.G@...rochip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/scsi/pm8001/pm8001_hwi.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -223,7 +223,7 @@ static void init_default_table_values(st
 		PM8001_EVENT_LOG_SIZE;
 	pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option		= 0x01;
 	pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt		= 0x01;
-	for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
+	for (i = 0; i < pm8001_ha->max_q_num; i++) {
 		pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt	=
 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
 		pm8001_ha->inbnd_q_tbl[i].upper_base_addr	=
@@ -249,7 +249,7 @@ static void init_default_table_values(st
 		pm8001_ha->inbnd_q_tbl[i].producer_idx		= 0;
 		pm8001_ha->inbnd_q_tbl[i].consumer_index	= 0;
 	}
-	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
+	for (i = 0; i < pm8001_ha->max_q_num; i++) {
 		pm8001_ha->outbnd_q_tbl[i].element_size_cnt	=
 			PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
 		pm8001_ha->outbnd_q_tbl[i].upper_base_addr	=
@@ -671,9 +671,9 @@ static int pm8001_chip_init(struct pm800
 	read_outbnd_queue_table(pm8001_ha);
 	/* update main config table ,inbound table and outbound table */
 	update_main_config_table(pm8001_ha);
-	for (i = 0; i < PM8001_MAX_INB_NUM; i++)
+	for (i = 0; i < pm8001_ha->max_q_num; i++)
 		update_inbnd_queue_table(pm8001_ha, i);
-	for (i = 0; i < PM8001_MAX_OUTB_NUM; i++)
+	for (i = 0; i < pm8001_ha->max_q_num; i++)
 		update_outbnd_queue_table(pm8001_ha, i);
 	/* 8081 controller donot require these operations */
 	if (deviceid != 0x8081 && deviceid != 0x0042) {