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scsi: mpi3mr: Scan the devices during resume time

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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>
This commit is contained in:
Sreekanth Reddy 2022-09-12 19:27:40 +05:30 committed by Martin K. Petersen
parent 130fc180a4
commit f84e8b5bb5
3 changed files with 9 additions and 5 deletions
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2
drivers/scsi/mpi3mr/mpi3mr.h
View file

@ -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)

8
drivers/scsi/mpi3mr/mpi3mr_fw.c
View file

@ -4042,10 +4042,8 @@ int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume)
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) {

4
drivers/scsi/mpi3mr/mpi3mr_os.c
View file

@ -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;