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Only look for the ranges property when we have children. This fixes booting

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on systems with a gicv2, but no PCIe so no gicv2m.

Sponsored by:	ABT Systems Ltd
This commit is contained in:
Andrew Turner 2016-02-02 16:32:44 +00:00
parent 1436226800
commit 2c0ed87ef8
1 changed files with 6 additions and 1 deletions
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7
sys/arm64/arm64/gic_fdt.c
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@ -158,12 +158,17 @@ arm_gic_fdt_attach(device_t dev)
OF_getencprop(root, "#size-cells", &sc->sc_size_cells,
sizeof(sc->sc_size_cells));
/* If we have no children don't probe for them */
child = OF_child(root);
if (child == 0)
return (0);
if (gic_fill_ranges(root, sc) < 0) {
device_printf(dev, "could not get ranges\n");
return (ENXIO);
}
for (child = OF_child(root); child != 0; child = OF_peer(child)) {
for (; child != 0; child = OF_peer(child)) {
dinfo = malloc(sizeof(*dinfo), M_DEVBUF, M_WAITOK | M_ZERO);
if (ofw_bus_gen_setup_devinfo(&dinfo->obdinfo, child) != 0) {