2015-10-30 15:53 GMT+01:00 Benjamin Rood <benjaminjrood@xxxxxxxxx>:
> 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
>
Reviewed-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxxx>
Thanks
Jack
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