[PATCH V2 06/13] pm80xx : Increase timeout for pm80xx mpi_uninit_check.

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From: ianyar <ianyar@xxxxxxxxxx>

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.

Signed-off-by: ianyar <ianyar@xxxxxxxxxx>
Signed-off-by: Deepak Ukey <deepak.ukey@xxxxxxxxxxxxx>
Signed-off-by: Viswas G <Viswas.G@xxxxxxxxxxxxx>
Acked-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
---
 drivers/scsi/pm8001/pm80xx_hwi.c | 4 ++--
 drivers/scsi/pm8001/pm80xx_hwi.h | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index 6057610263c1..9d04e5cfffb4 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -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);
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h b/drivers/scsi/pm8001/pm80xx_hwi.h
index dc9ab7689060..701951a0f715 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.h
+++ b/drivers/scsi/pm8001/pm80xx_hwi.h
@@ -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
-- 
2.16.3




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