From: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Date: Mon, 12 Sep 2022 13:57:40 +0000 (+0530)
Subject: scsi: mpi3mr: Scan the devices during resume time
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f84e8b5bb57eb64391a45f95ebf0e2a179d8c566;p=linux.git

scsi: mpi3mr: Scan the devices during resume time

Scan the target devices during system resume time and add or remove the
target device with the SML if the corresponding target device is newly
added or removed respectively.

Link: https://lore.kernel.org/r/20220912135742.11764-8-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h
index 883ed59f731f6..5b105044bf665 100644
--- a/drivers/scsi/mpi3mr/mpi3mr.h
+++ b/drivers/scsi/mpi3mr/mpi3mr.h
@@ -132,6 +132,8 @@ extern atomic64_t event_counter;
 
 #define MPI3MR_DEFAULT_CFG_PAGE_SZ		1024 /* in bytes */
 
+#define MPI3MR_RESET_TOPOLOGY_SETTLE_TIME	10
+
 #define MPI3MR_SCMD_TIMEOUT    (60 * HZ)
 #define MPI3MR_EH_SCMD_TIMEOUT (60 * HZ)
 
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index e3df044ad7165..f841a44d3a632 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -4042,10 +4042,8 @@ retry_init:
 		goto out_failed;
 	}
 
-	if (!is_resume) {
-		mrioc->device_refresh_on = 1;
-		mpi3mr_add_event_wait_for_device_refresh(mrioc);
-	}
+	mrioc->device_refresh_on = 1;
+	mpi3mr_add_event_wait_for_device_refresh(mrioc);
 
 	ioc_info(mrioc, "sending port enable\n");
 	retval = mpi3mr_issue_port_enable(mrioc, 1);
@@ -4912,7 +4910,7 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
 		    mrioc->name, reset_reason);
 		goto out;
 	}
-	ssleep(10);
+	ssleep(MPI3MR_RESET_TOPOLOGY_SETTLE_TIME);
 
 out:
 	if (!retval) {
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c
index 282ec4b382dae..d61837f0087d4 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_os.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_os.c
@@ -5228,13 +5228,17 @@ mpi3mr_resume(struct device *dev)
 	}
 
 	mrioc->stop_drv_processing = 0;
+	mpi3mr_invalidate_devhandles(mrioc);
+	mpi3mr_free_enclosure_list(mrioc);
 	mpi3mr_memset_buffers(mrioc);
 	r = mpi3mr_reinit_ioc(mrioc, 1);
 	if (r) {
 		ioc_err(mrioc, "resuming controller failed[%d]\n", r);
 		return r;
 	}
+	ssleep(MPI3MR_RESET_TOPOLOGY_SETTLE_TIME);
 	scsi_unblock_requests(shost);
+	mrioc->device_refresh_on = 0;
 	mpi3mr_start_watchdog(mrioc);
 
 	return 0;