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ARM: fdt support: Add usbethaddr as an acceptable MAC

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A board that has a USB ethernet device only may set the usbetheraddr
and not the ethaddr.
ethaddr will be the default MAC address that is chosen and if that
is not populated then the usbethaddr is looked at.  If neither are set
then then device tree blob is not modified.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
This commit is contained in:
Dan Murphy 2013-10-02 14:00:15 -05:00 committed by Tom Rini
parent 2e43646782
commit b1f49ab8c7
1 changed files with 11 additions and 1 deletions
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12
common/fdt_support.c
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@ -479,8 +479,18 @@ void fdt_fixup_ethernet(void *fdt)
if (node < 0)
return;
i = 0;
if (!getenv("ethaddr")) {
if (getenv("usbethaddr")) {
strcpy(mac, "usbethaddr");
} else {
debug("No ethernet MAC Address defined\n");
return;
}
} else {
strcpy(mac, "ethaddr");
}
i = 0;
while ((tmp = getenv(mac)) != NULL) {
sprintf(enet, "ethernet%d", i);
path = fdt_getprop(fdt, node, enet, NULL);