ATTO adapters do not support this feature. If the firmware fails to be ready, it should not check the examined registers in order to examine the state of the feature in order to prevent undefined behavior. Signed-off-by: Benjamin Rood <brood@xxxxxxxxxxxx> --- drivers/scsi/pm8001/pm80xx_hwi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 29c548b..eb4fee6 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1267,6 +1267,8 @@ pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha) /* check iButton feature support for motherboard controller */ if (pm8001_ha->pdev->subsystem_vendor != PCI_VENDOR_ID_ADAPTEC2 && + pm8001_ha->pdev->subsystem_vendor != + PCI_VENDOR_ID_ATTO && pm8001_ha->pdev->subsystem_vendor != 0) { ibutton0 = pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_6); -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html