tree 15d1b9295eb38d42ad12bd670da48306bfff3ab9
parent 248bb852c7061fa8b2293855851a84e1cff9653f
author Ricardo Cerqueira <cyanogenmod@cerqueira.org> 1401293544 +0100
committer Jackeagle <jackeagle102@gmail.com> 1521902356 -0400

wcnss_qmi: Generate a fixed random mac address if the NV doesn't provide one

If the NV is corrupted or blanked out, QMI won't return a MAC address
and prima will fallback to a fixed one. If the board defines a
TARGET_WCNSS_MAC_PREFIX value (2 to 4 hex values), use that prefix
to generate a random (and persistent) hwaddr instead.

For "TARGET_WCNSS_MAC_PREFIX := 0a0b0c0d", the last 2 bytes will be
pseudo-randomized, and the final address will be in the
"0a:0b:0c:0d:XX:YY" format.

Change-Id: Ie38cb5d3724223b2ec1ae45e6a9a4f2285229731