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author | andrew <andrew@FreeBSD.org> | 2016-02-02 16:32:44 +0000 |
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committer | andrew <andrew@FreeBSD.org> | 2016-02-02 16:32:44 +0000 |
commit | 80defbca6b1280bd85e38b31455b6e3af0158dd0 (patch) | |
tree | b8b78c1a1daf1e3f160d3d423c31aca30dc66deb | |
parent | 9de256aba3ba3d52b2a60731d976ad88ae302fe7 (diff) | |
download | FreeBSD-src-80defbca6b1280bd85e38b31455b6e3af0158dd0.zip FreeBSD-src-80defbca6b1280bd85e38b31455b6e3af0158dd0.tar.gz |
Only look for the ranges property when we have children. This fixes booting
on systems with a gicv2, but no PCIe so no gicv2m.
Sponsored by: ABT Systems Ltd
-rw-r--r-- | sys/arm64/arm64/gic_fdt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/arm64/arm64/gic_fdt.c b/sys/arm64/arm64/gic_fdt.c index 924a08b..075f1d6 100644 --- a/sys/arm64/arm64/gic_fdt.c +++ b/sys/arm64/arm64/gic_fdt.c @@ -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) { |