>From a2c4711582a7932a90bd68f7da96c2312c3436bc Mon Sep 17 00:00:00 2001
From: Nikith Ganigarakoppal <nikith.ganigarakop...@pmcs.com>
Date: Wed, 30 Oct 2013 16:13:22 +0530
Subject: [PATCH V2 2/4] pm80xx: Fix for direct attached device.
In case of direct attached SATA device delay is not enough.
It will give crash for set device state command response and
wait_for_completion is the best solution for this.
Signed-off-by: nikith.ganigarakop...@pmcs.com
Signed-off-by: anandkumar.santha...@pmcs.com
Reviewed-by: Jack Wang <jinpu.w...@profitbricks.com>
---
drivers/scsi/pm8001/pm8001_sas.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index f4eb18e..f50ac44 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -1098,15 +1098,17 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun)
struct pm8001_tmf_task tmf_task;
struct pm8001_device *pm8001_dev = dev->lldd_dev;
struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev);
+ DECLARE_COMPLETION_ONSTACK(completion_setstate);
if (dev_is_sata(dev)) {
struct sas_phy *phy = sas_get_local_phy(dev);
rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev ,
dev, 1, 0);
rc = sas_phy_reset(phy, 1);
sas_put_local_phy(phy);
+ pm8001_dev->setds_completion = &completion_setstate;
rc = PM8001_CHIP_DISP->set_dev_state_req(pm8001_ha,
pm8001_dev, 0x01);
- msleep(2000);
+ wait_for_completion(&completion_setstate);
} else {
tmf_task.tmf = TMF_LU_RESET;
rc = pm8001_issue_ssp_tmf(dev, lun, &tmf_task);
--
1.7.1
--
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