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authorSreekanth Reddy <sreekanth.reddy@broadcom.com>2022-09-12 19:27:40 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2022-09-25 13:49:52 -0400
commitf84e8b5bb57eb64391a45f95ebf0e2a179d8c566 (patch)
tree43665e22d5f4ea047a1e0f4bd63149298db06276 /drivers/scsi/mpi3mr
parent130fc180a48141cb6fbfdb30138a114cf9be61c7 (diff)
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>
Diffstat (limited to 'drivers/scsi/mpi3mr')
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr.h2
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_fw.c8
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_os.c4
3 files changed, 9 insertions, 5 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h
index 883ed59f731f..5b105044bf66 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 e3df044ad716..f841a44d3a63 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 282ec4b382da..d61837f0087d 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;