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path: root/drivers/block/cciss.c
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-rw-r--r--drivers/block/cciss.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 865484e..9528e94 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4673,8 +4673,14 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
use_doorbell = DOORBELL_CTLR_RESET2;
} else {
use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET;
- if (use_doorbell)
- use_doorbell = DOORBELL_CTLR_RESET;
+ if (use_doorbell) {
+ dev_warn(&pdev->dev, "Controller claims that "
+ "'Bit 2 doorbell reset' is "
+ "supported, but not 'bit 5 doorbell reset'. "
+ "Firmware update is recommended.\n");
+ rc = -ENOTSUPP; /* use the soft reset */
+ goto unmap_cfgtable;
+ }
}
rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell);