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| author | Kevin Barnett <kevin.barnett@microsemi.com> | 2017-05-03 18:53:11 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-12 20:48:02 -0400 |
| commit | 98f876674a6fba3591c342dfbcfdbaa7ecf0a84e (patch) | |
| tree | a4a81a062e68609c26fdde07554a9c36bfa1c479 /drivers/scsi/smartpqi/smartpqi_sis.c | |
| parent | 061ef06a2d436cea85984cf0b51b452547a5496c (diff) | |
| download | linux-98f876674a6fba3591c342dfbcfdbaa7ecf0a84e.tar.gz linux-98f876674a6fba3591c342dfbcfdbaa7ecf0a84e.tar.bz2 linux-98f876674a6fba3591c342dfbcfdbaa7ecf0a84e.zip | |
scsi: smartpqi: add heartbeat check
check for controller lockups
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/smartpqi/smartpqi_sis.c')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_sis.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c index 12853fd75550..3155bda88550 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.c +++ b/drivers/scsi/smartpqi/smartpqi_sis.c @@ -422,6 +422,10 @@ void sis_soft_reset(struct pqi_ctrl_info *ctrl_info) void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info) { + if (readl(&ctrl_info->registers->sis_firmware_status) & + SIS_CTRL_KERNEL_PANIC) + return; + writel(SIS_TRIGGER_SHUTDOWN, &ctrl_info->registers->sis_host_to_ctrl_doorbell); } |