tree 6759d256e8194357f1362756cf46dbe4259883d7
parent c5614df7ffa74d2fcb591eb4e9008ca38f0bc8c1
author Benjamin Rood <benjaminjrood@gmail.com> 1446216809 -0400
committer Martin K. Petersen <martin.petersen@oracle.com> 1446525575 -0500

pm80xx: do not examine registers for iButton feature if ATTO adapter

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@attotech.com>
Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>