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| author | Sagar Biradar <sagar.biradar@microchip.com> | 2022-02-01 15:48:08 -0600 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-02-07 23:38:34 -0500 |
| commit | 70ba20be4bb1f560bba7288bd12fbb918823e576 (patch) | |
| tree | 12232a2f9c0d9095639cc9d03d3d349ad7664711 /drivers/scsi/smartpqi | |
| parent | 2a47834d9452812f68c8894994e95adad56e4b60 (diff) | |
| download | linux-stable-70ba20be4bb1f560bba7288bd12fbb918823e576.tar.gz linux-stable-70ba20be4bb1f560bba7288bd12fbb918823e576.tar.bz2 linux-stable-70ba20be4bb1f560bba7288bd12fbb918823e576.zip | |
scsi: smartpqi: Eliminate drive spin down on warm boot
Avoid drive spin down during a warm boot.
Call the BMIC Flush Cache command (0xc2) to indicate the reason for the
flush cache (shutdown, hibernate, suspend, or restart).
Link: https://lore.kernel.org/r/164375208810.440833.11254644025650871435.stgit@brunhilda.pdev.net
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Signed-off-by: Sagar Biradar <sagar.biradar@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/smartpqi')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_init.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index ad9fa1628a69..f51605cd098c 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -8902,6 +8902,7 @@ static void pqi_shutdown(struct pci_dev *pci_dev) { int rc; struct pqi_ctrl_info *ctrl_info; + enum bmic_flush_cache_shutdown_event shutdown_event; ctrl_info = pci_get_drvdata(pci_dev); if (!ctrl_info) { @@ -8917,11 +8918,16 @@ static void pqi_shutdown(struct pci_dev *pci_dev) pqi_ctrl_block_requests(ctrl_info); pqi_ctrl_wait_until_quiesced(ctrl_info); + if (system_state == SYSTEM_RESTART) + shutdown_event = RESTART; + else + shutdown_event = SHUTDOWN; + /* * Write all data in the controller's battery-backed cache to * storage. */ - rc = pqi_flush_cache(ctrl_info, SHUTDOWN); + rc = pqi_flush_cache(ctrl_info, shutdown_event); if (rc) dev_err(&pci_dev->dev, "unable to flush controller cache\n"); |