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-rw-r--r--drivers/scsi/hpsa.c4
-rw-r--r--drivers/scsi/hpsa_cmd.h1
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 0330f17c8feb..9c491c507092 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -8009,6 +8009,10 @@ static void controller_lockup_detected(struct ctlr_info *h)
spin_unlock_irqrestore(&h->lock, flags);
dev_warn(&h->pdev->dev, "Controller lockup detected: 0x%08x after %d\n",
lockup_detected, h->heartbeat_sample_interval / HZ);
+ if (lockup_detected == 0xffff0000) {
+ dev_warn(&h->pdev->dev, "Telling controller to do a CHKPT\n");
+ writel(DOORBELL_GENERATE_CHKPT, h->vaddr + SA5_DOORBELL);
+ }
pci_disable_device(h->pdev);
fail_all_outstanding_cmds(h);
}
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
index 078afe448115..78c3b64b0b97 100644
--- a/drivers/scsi/hpsa_cmd.h
+++ b/drivers/scsi/hpsa_cmd.h
@@ -142,6 +142,7 @@
#define DOORBELL_CTLR_RESET 0x00000004l
#define DOORBELL_CTLR_RESET2 0x00000020l
#define DOORBELL_CLEAR_EVENTS 0x00000040l
+#define DOORBELL_GENERATE_CHKPT 0x00000080l
#define CFGTBL_Trans_Simple 0x00000002l
#define CFGTBL_Trans_Performant 0x00000004l