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scsi: pm80xx: Increase timeout for pm80xx mpi_uninit_check

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The function mpi_uninit_check takes longer for inbound doorbell register to
be cleared. Increased the timeout substantially so that the driver does not
fail to load.

Link: https://lore.kernel.org/r/20191114100910.6153-7-deepak.ukey@microchip.com
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: ianyar <ianyar@google.com>
Signed-off-by: Deepak Ukey <deepak.ukey@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
ianyar 2019-11-14 15:39:03 +05:30 committed by Martin K. Petersen
parent 7370672dc3
commit e90e236250
2 changed files with 5 additions and 2 deletions
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4
drivers/scsi/pm8001/pm80xx_hwi.c
View file

@ -735,9 +735,9 @@ static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
/* wait until Inbound DoorBell Clear Register toggled */
if (IS_SPCV_12G(pm8001_ha->pdev)) {
max_wait_count = 4 * 1000 * 1000;/* 4 sec */
max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
} else {
max_wait_count = 2 * 1000 * 1000;/* 2 sec */
max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
}
do {
udelay(1);

3
drivers/scsi/pm8001/pm80xx_hwi.h
View file

@ -220,6 +220,9 @@
#define SAS_DOPNRJT_RTRY_TMO 128
#define SAS_COPNRJT_RTRY_TMO 128
#define SPCV_DOORBELL_CLEAR_TIMEOUT (30 * 1000 * 1000) /* 30 sec */
#define SPC_DOORBELL_CLEAR_TIMEOUT (15 * 1000 * 1000) /* 15 sec */
/*
Making ORR bigger than IT NEXUS LOSS which is 2000000us = 2 second.
Assuming a bigger value 3 second, 3000000/128 = 23437.5 where 128