From 3a1ae967741c301a5ad26665dcfb184082b969b2 Mon Sep 17 00:00:00 2001
From: Viswas G <Viswas.G@pmcs.com>
Date: Tue, 11 Aug 2015 15:06:26 +0530
Subject: [PATCH] pm80xx: Corrected device state changes in I_T_Nexus_Reset.
In Nexus reset the device state request are not needed.
Signed-off-by: Viswas G <Viswas.G@pmcs.com>
Reviewed-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com>
Acked-by: Jack Wang <jinpu.wang@profitbricks.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
---
drivers/scsi/pm8001/pm8001_sas.c | 18 +++++++++++++-----
drivers/scsi/pm8001/pm8001_sas.h | 8 ++++++++
2 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index b93f289b42b36..48f4627e05a4b 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -975,19 +975,27 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev)
phy = sas_get_local_phy(dev);
if (dev_is_sata(dev)) {
- DECLARE_COMPLETION_ONSTACK(completion_setstate);
if (scsi_is_sas_phy_local(phy)) {
rc = 0;
goto out;
}
rc = sas_phy_reset(phy, 1);
+ if (rc) {
+ PM8001_EH_DBG(pm8001_ha,
+ pm8001_printk("phy reset failed for device %x\n"
+ "with rc %d\n", pm8001_dev->device_id, rc));
+ rc = TMF_RESP_FUNC_FAILED;
+ goto out;
+ }
msleep(2000);
rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev ,
dev, 1, 0);
- pm8001_dev->setds_completion = &completion_setstate;
- rc = PM8001_CHIP_DISP->set_dev_state_req(pm8001_ha,
- pm8001_dev, 0x01);
- wait_for_completion(&completion_setstate);
+ if (rc) {
+ PM8001_EH_DBG(pm8001_ha,
+ pm8001_printk("task abort failed %x\n"
+ "with rc %d\n", pm8001_dev->device_id, rc));
+ rc = TMF_RESP_FUNC_FAILED;
+ }
} else {
rc = sas_phy_reset(phy, 1);
msleep(2000);
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
index 8dd8b7840f042..c9736cc17520f 100644
--- a/drivers/scsi/pm8001/pm8001_sas.h
+++ b/drivers/scsi/pm8001/pm8001_sas.h
@@ -569,6 +569,14 @@ struct pm8001_fw_image_header {
#define NCQ_READ_LOG_FLAG 0x80000000
#define NCQ_ABORT_ALL_FLAG 0x40000000
#define NCQ_2ND_RLE_FLAG 0x20000000
+
+/* Device states */
+#define DS_OPERATIONAL 0x01
+#define DS_PORT_IN_RESET 0x02
+#define DS_IN_RECOVERY 0x03
+#define DS_IN_ERROR 0x04
+#define DS_NON_OPERATIONAL 0x07
+
/**
* brief param structure for firmware flash update.
*/
--
2.30.2