Commit 65df7d19 authored by Viswas G's avatar Viswas G Committed by Martin K. Petersen
Browse files

scsi: pm80xx: Fix chip initialization failure 

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

Fixes: 05c6c029 ("scsi: pm80xx: Increase number of supported queues")
Cc: stable@vger.kernel.org # 5.10+
Link: https://lore.kernel.org/r/20210402054212.17834-1-Viswas.G@microchip.com.com


Reported-and-tested-by: default avatarAsh Izat <ash@ai0.uk>
Signed-off-by: default avatarViswas G <Viswas.G@microchip.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 4b42d557

drivers/scsi/pm8001/pm8001_hwi.c

+4 −4
Original line number Diff line number Diff line
@@ -223,7 +223,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha) 
		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(struct pm8001_hba_info *pm8001_ha) 
		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 pm8001_hba_info *pm8001_ha) 
	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) {